I. I. Guran, and O. V. Gutik, Mathematics for Economists. For Students of Departments of International Relations.
Lecture Notes. Znannya, Kyiv, 2008, 388 pp. (in Ukrainian).
O. V. Gutik, and K. P. Pavlyk, The H-closedness of topological inverse semigroups and topological Brandt λ-extensions, XVI Open Scientific and Technical Conference of Young Scientists of the Karpenko Physico-Mechanical Institute of NASU. May 17-18, 2001. Lviv, Ukraine. Proceedings. (2001), 240-243.
O. V. Gutik, and K. P. Pavlyk, Minimal topologies on semigroups of matrix units, International Scientific and Technical Conference "Information of processes of formation of open systems on basis DBMS, design computer-aided ...". June 26-28, 2001. Vologda, Russia. Proceedings. (2001), 301-305.
I. Yo. Guran, and O. V. Gutik, The bicyclic semigroup and countably compact
topological inverse semigroups, XVII Open Scientific and Technical Conference of Young Scientists of the Karpenko
Physic and Mechanics Institute of NASU. May 15-17, 2002. Lviv, Ukraine. Proceedings. (2002), 149-152.
T. O, Banach, and O. V. Gutik, On a counterpart of
Franklin Theorem for topological semigroups, XVII Open Scientific and Technical
Conference of Young Scientists of the Karpenko Physico-Mechanical Institute of NASU.
May 15-17, 2002. Lviv, Ukraine. Proceedings. (2002), 153-155.
O. V. Gutik, and O. Ye. Lebidko, On semigroup of compact
subsets of a paratopological group, Applied Problems of Mech. and Math. 1 (2003), 20-24.
2004:
O. V. Gutik, and K. P. Pavlyk, On 0-simple initially τ-compact topological inverse semigroups, Conference of Young Scientists on Modern Problems in Mechanics and Mathematics, Lviv, May 24-26, 2004. Proceedings, Lviv (2004) 179-181.
O. V. Gutik, and K. P. Pavlyk, Topological semigroups of matrix units, Algebra Discr. Math. no. 3 (2005), 1-17 (MR 2237891 (2007e:20125), Zbl 1092.22002).
O. V. Gutik, Yu. M. Livach, Embediins of topological semigroups
into nilpotent-generated semigroups, Mat. Metody Fiz.-Mekh. Polya 48 (2005), no.
4, 66-77 (in Ukrainian), (MR 2229292 (2007b:20122), Zbl 1110.20045).
O. V. Gutik, and K. P. Pavlyk, On topological semigroups of matrix units, Semigroup Forum 71 (2005), no. 3, 389-400 (doi: 10.1007/s00233-005-0530-0, MR 2204758 (2006m:22003), Zbl 1092.22003).
2006:
O. V. Gutik, and K. P. Pavlyk, On Brandt λ0-extensions of
semigroups with zero, Mat. Metody Fiz.-Mekh. Polya 49 (2006),
no. 3, 26-40
(MR 2255060 (2007i:22005), Zbl 1126.22301).
2007:
I. Chuchman, and O. Gutik, On H-closed topological semigroups and
semilattices,Algebra Discr. Math. (2007), no. 1, 13-23 (MR2367511 (2008j:22003),
Zbl 1164.06332).
I. Chuchman, and O. Gutik, On monoids of injective partial selfmaps almost everywhere the identity,Demonstr. Math. 44 (2011), no. 4, 699-722 (doi: 10.1515/dema-2013-0340, MR2906425 (2012k:22002), Zbl 1252.22002, arXiv:1009.1338).
O. Gutik, On the group of automorphisms of the Brandt λ0-extension of a monoid with zero, Proceedings of the 16th ITAT Conference Information
Technologies - Applications and Theory (ITAT 2016), Tatranske Matliare, Slovakia, September 15-19, 2016. CEUR-WS, Bratislava, 2016, p. 237-240
(arXiv:1609.06085).
O. Gutik, and A. Savchuk, On inverse submonoids of the monoid of almost monotone injective co-finite partial selfmaps of
positive integers, Carpathian Math. Publ. 11 (2019), no. 2, 296-310
(doi: 10.15330/cmp.11.2.296-310, MR4049629, Zbl 1474.20121,
arXiv:1904.11802).
O. Gutik, and P. Khylynskyi, On the monoid of cofinite partial isometries of ℕ with a bounded finite noise,
Proceedings of the Contemporary Mathematics in Kielce 2020, ed. Szymon Walczak. Jan Kochanowski University in Kielce, Poland. February 24-27, 2021. Sciendo, De Gruyter Poland Sp. z o.o. Warsaw, Poland, 2021, P. 127-144
(https://doi.org/10.2478/9788366675360-010,
arXiv:2104.14149).
O. V. Gutik, and I. V. Pozdniakova, On the semigroup generating by extended bicyclic semigroup and an ω-closed family,
Mat. Metody Fiz.-Mekh. Polya 64 (2021), no. 1, 21-34
(arXiv:2107.14075) (in Ukrainian).
O. Gutik, and M. Mykhalenych, On group congruences on the semigroup Ɓωℱ and its homomorphic retracts in the case
when a family ℱ consists of inductive non-empty subsets of ω, Visn.
L'viv. Univ., Ser. Mekh.-Mat. 91 (2021), 5-27 (arXiv:2108.09543) (in Ukrainian).
O. Gutik, and P. Khylynskyi, On a locally compact submonoid of the monoid cofinite partial isometries of ℕ with adjoined zero,
Preprint (arXiv:2112.15000).
O. Gutik, and M. Mykhalenych, On a semitopological semigroup Ɓωℱ when a family ℱ consists of inductive
non-empty subsets of ω, Preprint (in Ukrainian, in preparation).
O. Gutik, and I. Pozdniakova, On the group of automorphisms of the semigroup Ɓℤℱ with the family ℱ of inductive nonempty subsets of ω,
Preprint (arXiv:2206.12819).
O. Gutik, and O. Popadiuk, On the semigroup Ɓωℱn which is generated by the family ℱn of finite bounded intervals of ω,
Preprint (arXiv:2208.09155).
O. Gutik, and O. Popadiuk, On the semigroup of injective endomorphisms of the semigroup Ɓωℱn which is generated by the family ℱn
of finite bounded intervals of ω,
Preprint (in preparation).
Unpublished preprint
M. Cencelj, O. Gutik, and D. Repovš, On some generalization of the bicyclic semigroup: the topological version,
Preprint.
M. Cencelj, O. Gutik, and D. Repovš, On ℋ-closed pospaces with compact maximal anti-chains, Preprint.
O. Gutik, and K. Mel'nyk, Congruences on the semigroup of monotone co-finite partial homeomorphisms of the real line,
Preprint (in Ukrainian).
O. Gutik, and D. Repovš, On embedding of topological semigroups into countably
compact topological semigroups, Preprint.
Abstracts of Conference Reports
O. V. Gutik, On embeddings of topological semigroups into simple
semigroups, V Accounting Conference of Ukrainian Academy of Printing, Lviv, January 3-5, 1995.
Abstracts of Reports. Lviv, Ukrainian Academy of Printing, 1995, P. 122 (in Ukrainian).
O. V. Gutik, On an embedding of a topological semigroup into a path-connected
topological semigroup, IV International Scientific Conference in Honor of Academician M. Kravchuk.
Abstracts of Reports. Kyiv, 1995, P. 83 (in Russian).
O. V. Gutik, On analoques of Ponomarev Theorem and Franklin Theorwm in the category
of topological semigroups, V International Scientific Conference in Honor of
Academician M. Kravchuk. Abstracts of Reports. Kyiv, 1996, P. 112 (in Russian).
O. V. Gutik, On topological inverse semigroups with restrictions on translations
, International Algebraic Conference Dedicated to the Memory of
Professor L. M. Gluskin. Slovyansk, August 25-29, 1997. Abstracts of Reports. Kyiv, 1997, P. 30-31.
O. V. Gutik, Embeddings of countable topological semigroups, International
Scientific Conference ``Modern Problems of Mechanics and
Mathematics'' Dedicated to the 70th Anniversary of Academician
Ya. S. Pidstryhach. Lviv, May 25-28, 1998. Materials. Lviv, 1998, P. 260-261.
T. O. Banakh, I. Yo. Guran, and O. V. Gutik, Free topological inverse semigroups,
International Scientific Conference "Modern Problems of Mathematics", Chernivtsi, June 25-30, 1998.
Proceedings. Chernivtsi-Kyiv. (1998), 21-24.
O. V. Gutik, Topological inverse semigroups with some restrictions on
translations, II International Algebraic Conference in Ukraine Dedicated to the
Memory of Professor L. A. Kalujnin. Vinnytsya-Kyiv, May 9-16, 1999. Materials. Vinnytsya, 1999, P. 18-19.
O. V. Gutik, Compact semilattices with open principal filters, International
Conference ``Semigroups: the Theory and Applications'' in Honor of Professor E. S. Lyapin. St.-Petersburg,
June 2-9, 1999. Abstracts of Reports. St.-Petersburg, 1999, P. 83.
O. V. Gutik, On some class îf topological pospaces, International Conference
"Nonlinear Partial Differential Equations" dedicated to J. P. Schauder. Lviv, August 23-29, 1999. Abstracts.
Lviv, 1999, P. 83.
O. V. Gutik, and K. P. Pavlyk The H-closedness of topological inverse
semigroups and topological Brandt λ-extensions, XVI Open Scientific and Technical Conference of
Young Scien-tists and Specialists of the Karpenko Physico-Mechanical Institute of NASU. Lviv, May 16-18,
2001. Abstracts. Lviv, 2001, P. 71.
I. Yo. Guran, and O. V. Gutik, The development of Lviv School on topological
semigroups, Conference "Scientific Readings Dedicated to the Memory of Academician Ya. S. Pidstryhach"
of the Institute for Applied Problems of Mechanics and Mathematics, National Academy of Sciences of Ukraine.
Lviv, May 28-29, 2001. Abstracts of Reports. Lviv, 2001, P. 6.
O. V. Gutik, and O. Ye. Lebidko, On the semigroup of compact subsets of a
paratopological group, Conference "Scientific Readings Dedicated to the Memory of Academician
Ya. S. Pidstryhach" of the Institute for Applied Problems of Mechanics and Mathematics, National Academy
of Sciences of Ukraine. Lviv, May 28-29, 2001. Abstracts of Reports. Lviv, 2001, P. 6-8.
T. O. Banakh, and O. V. Gutik, An example of a scattered compactum admitting
no continuous semilattice operation, Third International Algebraic Conference in Ukraine. Sumy,
July 2-8, 2001. Proceedings. Sumy, 2001, P. 13-14.
O. V. Gutik, and K. P. Pavlyk, On topological semigroups of matrix units,
Third International Algebraic Conference in Ukraine. Sumy, July 2-8, 2001. Proceedings. (2001), 42-45.
O. V. Gutik, On homomorphisms of topological cancellative semigroups,
Ukrainian Mathematical Congress-2001. Section 1: Algebra and Number Theory. Kyiv, August 21-23, 2001.
Abstracts of Reports. Kyiv, 2001, P. 21.
O. V. Gutik, and K. P. Pavlyk On homomorphisms of topological semigroups
of matrix units, International Conference ``Differential Equations and Non-Linear Oscilations''.
Chernivtsi, August 27-29, 2001ð. Abstracts of Reports. Kyiv, 2001, P. 183.
O. V. Gutik, and K. P. Pavlyk, H-closed topological semigroups and
topological Brandt λ-extensions, International Algebraic Conference. Uzhgorod, August 27-29, 2001ð.
Abstracts of Reports. Uzhgorod, 2001, P. 13.
O. V. Gutik, On topological Brandt λ-extensions of topological
semigroups, Conference "Scientific Readings Dedicated to the Memory of Academician Ya. S. Pidstryhach"
of the Institute for Applied Problems of Mechanics and Mathematics, National Academy of Sciences of Ukraine.
Lviv, May 23-24, 2002. Abstracts of Reports. Lviv, 2002, P. 5-6.
T. O. Banakh, and O. V. Gutik, On the continuity of the inversion in
countably compact inverse topological semigroups, International Conference on Functional Analysis and
its Applications. Dedicated to the 110th anniversary of Stefan Banach. Lviv, Ukraine, May, 28-31, 2002.
Book of Abstracts. Lviv, 2002, P. 25-26.
O. V. Gutik, and K. P. Pavlyk, Topological Brandt
λ-extensions of absolutely H-closed topological inverse semigroups,
International Algebraic Conference Dedicated to the
Memory of Z. I. Borevich, St.-Petersburg, Russia. Proceedings.(2002), 99-103.
O. V. Gutik, and K. P. Pavlyk, On H-closed topological semigroups and
Brandt λ-extensions, International Mathematical Conference Honoring D. A. Grave's 100th Year Since the
Begining of His Work at Kyiv University. Kyiv, June 17-22, 2002. Kyiv, 2002, P. 29-30.
O. V. Gutik, and Yu. Livach, Embeddings of semigroups into nilpotent-generated
semigroups, IV International Scientific Conference "Mathematical Problems of
the Mechanics of Non-Homogeneous Structures". Lviv, May 26-29, 2003. Proceedings. Lviv, 2003, P. 487-488.
O. V. Gutik, and K. P. Pavlyk, Topological Brandt
λ0-extensions of
topological semigroups with zero, IV International Scientific Conference "Mathematical Problems of the
Mechanics of Non-Homogeneous Structures". Lviv, May 26-29, 2003. Proceedings. Lviv, 2003, P. 489-490.
O. V. Gutik, and K. P. Pavlyk, On H-closed topological semigroups and Brandt
λ0-extensions, International Conference "Complex Analysis and its
Applications". Lviv, May 26-29,
2003. Abstracts. Lviv, 2003, P. 29-30.
T. O. Banakh, O. V. Gutik, and M. Rajagopalan, Compatible algebraic structures
on scattered compacta, V Iberoamerican Conference on General Topology and its Applications. CITA-2003.
Lorca, June 10-14, 2003. Lorca, 2003, P. 61.
O. V. Gutik, On H-closed topological semigroups, First Summer School on
Topological Algebra and Functional Analysis. Lviv-Kozeva, July 22-31, 2003. Lviv, 2003, P. 23-24.
T. Banakh, O. Gutik, and M. Rajagopalan, Compatible algebraic structures on
scattered compacta, IV International Algebraic Conference in Ukraine. Lviv, August 4-9, 2003. Abstracts.
Lviv, 2003, P. 29-30.
O. V. Gutik, and K. P. Pavlyk, On Brandt
λ0-extensions of semigroups
with zero, IV International Algebraic Conference in Ukraine. Lviv, August 4-9, 2003. Abstracts. Lviv,
2003, P. 88-89.
O. V. Gutik, On some topological version of the Rees Quotient Theorem ,
International Conference "6th Bogolyubov Readings". Chernivts, August 26-30, 2003. Abstracts of Reports.
Kyiv, 2003, P. 280.
O. V. Gutik, and Yu. M. Livach, Embeddings of topological semigroups ,
Conference of Young Scientists on Modern Problems in Mechanics and
Mathematics. Lviv, May 24-26, 2004. Abstracts of Reports. Lviv, 2004, P. 65-66 (in Ukrainian).
O. V. Gutik, and K. P. Pavlyk, Compact congruence-free topological
semigroups, International Conference "Geometric Topology: Infinite-Dimensional Topology, Absolute Extensors,
Applications". Lviv, May 26-30, 2004. Book of Abstracts. Lviv, 2004, P. 24-26.
O. Gutik, and K. Pavlyk, On compact congruence-free topological inverse
semigroups, International Conference dedicated to the 125-th anniversary of Hans Hahn. Chernivtsi.
June 27-July 3, 2004. Book of Abstracts. Chernivtsi, 2004, P. 128-130.
O. V. Gutik, Topological inverse semigroups, Second Summer School
in Algebra and Topology. Lviv-Dolyna, August 2-14, 2004. Programs of Invited Lectures and Abstracts
of Research Reports. Lviv, 2004, P. 6.
O. V. Gutik, On linearly ordered H-closed topological semilattices,
Conference of Young Scientists on Modern Problems in Mechanics and
Mathematics. Lviv, May 24-27, 2005. Abstracts of Reports. Lviv, 2005, P. 245-246.
O. V. Gutik, and K. Pavlyk, On compact semitopological semigroups of matrix
units, Conference of Young Scientists on Modern Problems in Mechanics and Mathematics. Lviv, May 24-27,
2005. Abstracts of Reports. Lviv, 2005, P. 247-248.
O. V. Gutik, On H-closed topological semilattices, Fifth International
Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. Odessa, 2005. P. 82.
O. V. Gutik, and K. P. Pavlyk, On absolutely H-closed topological
semigroups and Brandt λ0-extensions, Fifth International Algebraic
Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. Odessa, 2005. P. 83-84.
O. Gutik, and K. Pavlyk, Pseudo-compact semitopological semigroups of
matrix units, Third Summer School in Algebra, Analysis and Topology. Lviv-Kozyova, August 9-20,
2005. Invited Lectures and Abstracts of Research Reports. Lviv, 2005. P. 137-139.
O. V. Gutik, and V. Ye. Mel’nyk, On homomorphisms of cancellative topological
semigroups, Fourth Summer School “Algebra, Topology, Functional and Stochastic Analysis”, Lviv-Kozyova
July 17-29, 2006. Invited Lectures and Abstracts of Research Reports, Lviv, 2006, C. 139.
O. V. Gutik, and K. P. Pavlyk, On Brandt
λ0-extensions of topological semigroups with zero,
Fourth Summer School “Algebra, Topology, Functional and Stochastic Analysis”, Lviv-Kozyova July 17-29,
2006. Invited Lectures and Abstracts
of Research Reports, Lviv, 2006, C. 139-142.
I. Chuchman, and O. Gutik, H-closed topological semigroups and semilattices,
6th International Algebraic Conference in Ukraine. Kamyanets-Podil’sky, July 1-7, 2007. Abstracts.
Kamyanets-Podil’sky, 2007, P. 49-51.
O. Gutik, and K. Pavlyk, Brandt λ0-extensions
and H-closed topological semigroups,
6th International Algebraic Conference in Ukraine. Kamyanets-Podil’sky, July 1-7, 2007. Abstracts.
Kamyanets-Podil’sky, 2007, P. 88-90.
O. Gutik, and D. Repovš, On countably compact 0-simple topological
inverse semigroups,
6th International Algebraic Conference in Ukraine. Kamyanets-Podil’sky, July 1-7, 2007. Abstracts.
Kamyanets-Podil’sky, 2007, P. 90-92.
O. Gutik, and I. Chuchman, On H-closed topological semilattices,
Conference on Algorithmic Complexity and Universal Algebra. Dedicated to 75th birthday of Bela Csakany.
Szeged, Hungary, July 16-20, 2007. Abstracts. Bolyai Institute, University of Szeged, 2007, P. 5-6.
O. Gutik, and A. Reiter, On countably compact Frechet-Urysohn coungruence-free
topological semigroups, Fifth Summer School ''Algebra, Topology and Analysis''. Lviv-Kozyova, August 6-18,
2007. Invited Lectures and Abstracts of Research Reports, Lviv, 2007, C. 40-41.
O. Gutik, and A. Reiter, On Brandt λ-μ-extensions of semigroups,
International Conference “Modern Problems in Mechanics and Mathematics”. Lviv, May, 25-29, 2008. Preceedings.
In 3 volumes. Vol. 3. Lviv, 2008, P. 212-214.
O. Gutik, and D. Repovš, On linearly ordered H-closed topological
semilattices, International Conference “Analysis and Topology”. Lviv, June 2-7, 2008. Abstracts.
Part II. Topology. Lviv, 2008, P. 26-27.
K. Pavlyk, and O. Gutik, Countably compact primitive topological
inverse semigrous, International Conference “Analysis and Topology”. Lviv, June 2-7, 2008. Abstracts.
Part II. Topology. Lviv, 2008, P. 48-49.
A. Reiter, and O. Gutik, On a topological semigrou finite transformations of
a Hausdorff topological space, International Conference “Analysis and Topology”. Lviv, June 2-7,
2008. Abstracts. Part II. Topology. Lviv, 2008, P. 59-60.
O. Gutik, and K. Pavlyk, Brandt extensions and primitive topological
inverse semigroupss, Conference of Young Scientists on
Modern Problems in Mechanics and Mathematics dedicated to Academician Ya. S. Pidstrygach, Lviv, May 25-27, 2009.
Abstracts of Reports, Lviv (2009) 191-193.
O. Gutik, and A. Reiter, Topological finite symmetric inverse semigroups,
Conference of Young Scientists on
Modern Problems in Mechanics and Mathematics dedicated to Academician Ya. S. Pidstrygach, Lviv, May 25-27, 2009.
Abstracts of Reports, Lviv (2009) 193-194.
O. Gutik, D. Pagon, and D. Repovš,
The continuity of the inversion and the structure of maximal subgroups in countably compact
topological semigroups,
International Conference Infinite Dimensional Analysis And Topology, May 27-June 1, 2009, Ivano-Frankivsk.
Abstracts of Reports. Ivano-Frankivsk, 2009. P. 52-55.
O. Gutik, and K. Pavlyk,
On countably compact Brandt $\lambda^0$-extensions of topological semigroups,
International Conference Infinite Dimensional Analysis And Topology, May 27-June 1, 2009, Ivano-Frankivsk.
Abstracts of Reports. Ivano-Frankivsk, 2009. P. 55-58.
O. Gutik, and A. Reiter,
On embeddings and the H-closedness of topological semigroups of partial finite bijections,
International Conference "Infinite Dimensional Analysis And Topology", May 27-June 1, 2009, Ivano-Frankivsk.
Abstracts of Reports. Ivano-Frankivsk, 2009. P. 58-61.
O. Gutik, and A. Reiter,
On absolute H-closedness of topological semigroups of partial finite bijections,
International Conference dedicated to 100th Anniversary of M. M. Bogolyubov and 70th Annivesary of
M. I. Nagnybida, June 8-13, 2009, Chernivtsi. Abstracts of Reports. Chernivtsi, 2009. P. 235-236.
T. Banakh, S. Dimitrova, and O. Gutik,
The Rees-Suschkewitsch Theorem for simple topological semigroups,
7th Algebraic Conference in Ukraine, 18-23 August, 2009. Kharkov. Abstract of Talks. Kharkov, 2009, P. 18-20.
O. Gutik, J. Lawson, and D. Repovš,
Semigroup closures of finite rank symmetric inverse semigroups,
7th Algebraic Conference in Ukraine, 18-23 August, 2009. Kharkov. Abstract of Talks. Kharkov, 2009, P. 63-64.
K. Pavlyk, O. Gutik, and A. Reiter, On topological semigroups of matrix units,
The 14th general meeting of EWM, August 25-28, 2009, Novi Sad, Serbia. Book of Abstracts 2. Novi Sad, 2009.
http://ewm2009.files.wordpress.com/2009/08/abstracts26.pdf.
O. Gutik, D. Pagon, and D. Repovš,
On sequential countably compact topological semigroups,
Ukrainian Mathematical Congress - 2009, Kyiv, Institute of Mathematics of NASU,
August 27-29, 2009. http://www.imath.kiev.ua/~congress2009/Abstracts/Gutik.pdf.
O. V. Gutik, and K. P. Pavlyk,
On pseudocompact topological inverse Brandt semigroups,
Pidstryhach Conference 2010, May 25-26, 2010, Lviv,
http://www.iapmm.lviv.ua/chyt2010/materials/pc2010-02-GP-07.pdf.
O. V. Gutik, and A. R. Reiter,
On semitopological symmetric inverse semigroups of a bounded finite rank,
Pidstryhach Conference 2010, May 25-26, 2010, Lviv,
http://www.iapmm.lviv.ua/chyt2010/materials/pc2010-02-GR-08.pdf.
O. V. Gutik, and I. Figel',
On embedings of topological semigroups into idempotent-generated semigroups,
Pidstryhach Conference 2010, May 25-26, 2010, Lviv,
http://www.iapmm.lviv.ua/chyt2010/materials/pc2010-02-GF-09.pdf.
I. Ya. Chuchman, and O. V. Gutik, Topological monoids of almost monotone
injective cofinite partial selfmaps of positive integers,
Pidstryhach Conference 2010, May 25-26, 2010, Lviv,
http://www.iapmm.lviv.ua/chyt2010/materials/pc2010-02-CG-38.pdf.
I. Chuchman, and O. Gutik, Topological monoids of almost monotone injective
cofinite partial selfmaps of positive integers, Conference on complex analysis dedicated to the memory
of A. A. Goldberg (1930-2008). Lviv, Ukraine, May 31-June 5, 2010. Abstracts. Lviv, 2010, P. 8-9.
O. Gutik, and D. Repovš,
Brandt λ0-extensions of monoids with zero,
AAA80 Workshop on General Algebra in connection with the
Workshop on Non-Classical Algebraic Structures, June 1-6, 2010, Bedlewo, Poland.
Abstracts. Warsaw, 2010. P. 79-82, http://www.mini.pw.edu.pl/aaa80/abstractsaaa80/19.pdf.
O. Gutik, and K. Pavlyk,
On some semigroup constructions,
AAA80 Workshop on General Algebra in connection with the
Workshop on Non-Classical Algebraic Structures, June 1-6, 2010, Bedlewo, Poland.
Abstracts. Warsaw, 2010. P. 139, http://www.mini.pw.edu.pl/aaa80/abstractsaaa80/37.pdf.
I. Chuchman, and O. Gutik,
Topological inverse monoids of almost monotone injective co-finite partial selfmaps of positive integers,
Summer School Algebra, Analysis and Topology,
5 July-16 July, 2010, Verkhovyna. Ivano-Frankivsk, 2010, P. 13-15.
O. Gutik, and A. Reiter,
On semitopological inverse semigroups of a bounded finite rank,
Summer School Algebra, Analysis and Topology,
5 July-16 July, 2010, Verkhovyna. Ivano-Frankivsk, 2010, P. 16-18.
I. Chuchman, and O. Gutik,
On monoids of almost identity injective partial selfmaps,
International Conference "Modern Problems of Analysis". Dedicated to 70th Anniversary of the Chair of Mathematical
Analysis at Chernivtsi University, 30
September-3 October, 2010, Chernivtsi. Abstracts of Reports, Chernivtsi, 2010, P. 156-157.
O. Gutik, On chains in ℋ-closed pospaces,
International Conference "Modern Problems of Analysis". Dedicated to 70th Anniversary of the Chair of Mathematical
Analysis at Chernivtsi University, 30
September-3 October, 2010, Chernivtsi. Abstracts of Reports, Chernivtsi, 2010, P. 162-164.
I. Chuchman, and O. Gutik, On Bohr compactifications of some topological semigroups,
International Conference on Functional Analysis Dedicated to 90th Anniversary of V. E. Lyantse, L'viv, Ukraine,
November 17-21, 2010. L'viv, 2010, P. 32-33.
O. Gutik, Continuity of the inversion and closures of subsemigroups in topological
semigroups,
International Conference on Functional Analysis Dedicated to 90th Anniversary of V. E. Lyantse, L'viv, Ukraine,
November 17-21, 2010. L'viv, 2010, P. 42.
O. Gutik, K. Pavlyk, and A. Reiter, On complete Brandt
λ0-extensions of topological semigroups,
International Conference on Functional Analysis Dedicated to 90th Anniversary of V. E. Lyantse, L'viv, Ukraine,
November 17-21, 2010. L'viv, 2010, P. 43-44.
O. Gutik, and K. Pavlyk, On semigroups generated by partial translations of a positive
cone of a linearly ordered group, IV
Conference of Young Scientists on
Modern Problems in Mechanics and Mathematics dedicated to Academician Ya. S. Pidstrygach, Lviv, May 24-27, 2011.
Abstracts of Reports, Lviv, 2011, P. 261-262.
O. Gutik, On semigroups of (almost) monotone injective partial
selfmaps of integers with cofinite domains and images, 8th International Algebraic Conference in Ukraine dedicated
to the 60th anniversary of Prof. V. M. Usenko, Luhansk, July 5-12, 2011. Book of Abtracts.
Luhansk, 2011, P. 255.
I. Figel', and O. Gutik, On a topological semigroup
CZ, 8th Summer School "Algebra, Analysis, Topology and Applications", Lazurne, Kherson Region, July 5-15, 2011. Book of
Abtracts. Kherson, 2011, P. 13-14.
O. Gutik, On a semigroup of injective partial cofinite selfmaps, 8th
Summer School "Algebra, Analysis, Topology and Applications", Lazurne, Kherson Region, July 5-15, 2011. Book of
Abtracts. Kherson, 2011, P. 16-17.
O. Gutik, and K. Pavlyk, Congruences on bicyclic extensions of linearly ordered
groups, 8th Summer School "Algebra, Analysis, Topology and Applications", Lazurne, Kherson Region, July 5-15, 2011. Book
of Abtracts. Kherson, 2011, P. 17-18.
O. Gutik, On embedding of a topological semigroup into a countably compact topological
semigroup, Workshop on Semigroups (To remember John M. Howie on the occasion of his 76th birthday)
, Lisboa, Portugal, May 23-25, 2012. Abtracts. Lisboa, 2012, P. 38-40.
O. Gutik, On ℋ-complete topological semilattices, Conference “Semigroups and Applications” ,
August 29-September 2, 2012, Uppsala University, Uppsala, Sweden. Abstracts. 2012, P. 11.
S. Bardyla, and O. Gutik, An example of an ℋ-complete topological semilattice which is not Aℋ–complete,
International Conference dedicated to the 120th anniversary of Stefan Banach, September 17-21, 2012, Lviv, Ukraine, Abstracts of Reports. L’viv, 2012, P. 76.
O. Gutik, On some generalization of the bicyclic semigroup: the topological version, International Conference
dedicated to the 120th anniversary of Stefan Banach, September 17-21, 2012, Lviv, Ukraine, Abstracts of Reports. L’viv, 2012, P. 84.
K. Pavlyk, and O. Gutik, On categories of pseudocompact topological Brandt λ0-extensions
of semitopological semigroups, International Conference dedicated to the 120th anniversary of Stefan Banach, September 17-21, 2012, Lviv,
Ukraine, Abstracts of Reports. L’viv, 2012, P. 102-103.
S. Bardyla, and O. Gutik, On ℋ-complete topological semilattices, 9th International Algebraic Conference
in Ukraine, July 8-13, 2013, L'viv, Ukraine. Book of abstracts. L’viv, 2013, P. 20.
O. Gutik, On ℋ-complete topological pospaces, 9th International Algebraic Conference in Ukraine,
July 8-13, 2013, L'viv, Ukraine. Book of abstracts. L'viv, 2013, P. 72.
O. Gutik, and K. Pavlyk, On pseudocompact primitive topological inverse semigroups, 9th International
Algebraic Conference in Ukraine, July 8-13, 2013, L'viv, Ukraine. Book of abstracts. L'viv, 2013, P. 73.
O. Gutik, and I. Pozdnyakova, On the semigroup of monotone co-finite partial bijections of
ℕ 2≤, 9th International Algebraic Conference in Ukraine,
July 8-13, 2013, L'viv, Ukraine. Book of abstracts. L'viv, 2013, P. 74.
O. Gutik, Pseudocompact inverse primitive (semi)topological semigroups, Topological Winter School in Abstract
Analysis. Section Set Theory & Topology, 25 January – 1 February 2014, Hejnice, Chech Republic,
http://www.winterschool.eu/program-2014.
O. Gutik, and O. Ravskyi, On sequentially pseudocompact and pracompact space, IV International Hahn Conference,
Chernivtsi, June 30 – July 5, 2014. Abstracts of Reports. Chernivtsi, 2014, P. 228-229.
K. Chepil, and O. Gutik, On the semigroup of all monotone co-finite partial homeomorphisms of the real line,
The International Algebraic Conference dedicated to 100th anniversary of L. A. Kaluzhnin, Kyiv, July 7-12, 2014. Abstracts of Reports. Kyiv, 2014, P. 96.
O. Gutik, Groups of automorphisms of Brandt λ0-extensions of monoids with
zero, The International Algebraic Conference dedicated to 100th anniversary of L. A. Kaluzhnin, Kyiv, July 7-12, 2014.
Abstracts of Reports. Kyiv, 2014, P. 97.
O. Gutik, and I. Pozdnyakova, Congruences on the monoid of monotone injective partial selfmaps of
Lnxlexℤ with co-finite domains and images, IXth Summer
Schooll "Algebra, Topology, and Analysis", July 7-18, 2014, Polianytsia, Ukraine. Book of abstracts. Ivano-Frankivs'k, 2014, P. 4-5.
O. Gutik, and O. Ravskyi, Pseudocompactness, products and Brandt λ0-extensions
of semitopological monoids, IXth Summer Schooll "Algebra, Topology, and Analysis", July 7-18, 2014, Polianytsia, Ukraine. Book of abstracts.
Ivano-Frankivs'k, 2014, P. 5-6.
S. Bardyla, and O. Gutik, On a semitopological λ-polycyclic monoid, Scientific Conference Dedicated to
100 Anniversary of Birthdays of K. M. Fishman and M. K. Fague, July 1-4, 2015, Chernivtsi, Ukraine. Book of abstracts.
Chernivtsi, 2015, P. 134-135.
O. Gutik, H-closed pospaces and semitopological semilattices, Scientific Conference Dedicated to
100 Anniversary of Birthdays of K. M. Fishman and M. K. Fague, July 1-4, 2015, Chernivtsi, Ukraine. Book of abstracts.
Chernivtsi, 2015, P. 138-139.
O. Gutik, Compact topological semigroups, X-th Summer School "Algebra, Topology, Analysis", August 3-15, 2015, Odessa, Ukraine. Book of Abstracts.
Institute of Mathematics of NAS of Ukraine, Kyiv, 2015, P. 5.
S. Bardyla, O. Gutik, and A. Ravsky, H-closed quasitopological groups, X-th Summer School "Algebra, Topology, Analysis",
August 3-15, 2015, Odessa, Ukraine. Book of Abstracts. Institute of Mathematics of NAS of Ukraine, Kyiv, 2015, P. 67.
O. Gutik, On the dichotomy of a locally compact semitopological bicyclic monoid with adjoined zero, X International Algebraic
Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd, August 20-27, 2015, Odessa, Ukraine. Abstracts. I. I. Mechnikov Odessa
National University, Odessa, 2015. P. 46.
O. Gutik, and K. Melnyk, The semigroup of monotone co-finite partial homeomorphisms of the real line, X International
Algebraic Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd, August 20-27, 2015, Odessa, Ukraine. Abstracts. I. I. Mechnikov
Odessa National University, Odessa, 2015. P. 47.
O. Gutik, and O. Sobol, Extensions of semigroups by symmetric inverse semigroups of a bounded finite rank, X International Algebraic Conference
in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd, August 20-27, 2015, Odessa, Ukraine. Abstracts. I. I. Mechnikov Odessa National University, Odessa, 2015. P. 48.
O. Gutik, and K. Maksymyk, Semitopological bicyclic extensions of linearly ordered groups,
International Conference “Complex Analysis and Related Topics”, May 30-June 4, 2016, Lviv. Abstracts. Lviv, 2016, P. 30.
O. Gutik, and O. Sobol, Feebly compact topologies on the semilattice expn(λ),
International Conference “Complex Analysis and Related Topics”, May 30-June 4, 2016, Lviv. Abstracts. Lviv, 2016, P. 31-32.
S. Bardyla, O. Gutik, and A. Ravsky, H-closed quasitopological groups, International Conference "Geometry and topology in Odessa - 2016",
2 – 8 June, 2016, Odessa, Ukraine. Abstracts. Odessa, 2016, P. 13.
S. Bardyla, O. Gutik, and A. Ravsky, H-closed quasitopological groups, 7th European Congress of Mathematics,
July 18-22, 2016, Technische Universität Berlin, Book of Abstracts, Berlin, 2016, P. 379.
S. Bardyla, and O. Gutik, On the embeddings and closures of a topological
λ-polycyclic monoid, XI-th Summer School "Algebra, Topology, Analysis",
August 1-14, 2016, Odessa, Ukraine. Book of Abstracts. Institute of Mathematics of NAS of Ukraine, Kyiv, 2016, P. 34.
S. Bardyla, and O. Gutik, On the embeddings and closures of the topological λ-polycyclic monoid,
International Conference dedicated to the 120th anniversary of Kazimierz Kuratowski,
September 27-October 1, 2016, Lviv, Ukraine. Abtract of Reports. Lviv, 2016, P. 9.
O. Gutik, On locally compact semitopological 0-bisimple inverse ω-semigroups,
International Conference dedicated to the 120th anniversary of Kazimierz Kuratowski,
September 27-October 1, 2016, Lviv, Ukraine. Abtract of Reports. Lviv, 2016, P. 21.
K. Maksymyk, and O. Gutik, On semitopological interassociates of the bicyclic monoid,
International Conference dedicated to the 120th anniversary of Kazimierz Kuratowski,
September 27-October 1, 2016, Lviv, Ukraine. Abtract of Reports. Lviv, 2016, P. 31-32.
I. Pozdniakova, and O. Gutik, On the monoid of monotone injective partial selfmaps of ℕ×ℕ with cofinite domains and images,
International Conference dedicated to the 120th anniversary of Kazimierz Kuratowski,
September 27-October 1, 2016, Lviv, Ukraine. Abtract of Reports. Lviv, 2016, P. 42.
O. Sobol, and O. Gutik, Feebly compact topologies on the semilattice expnλ,
International Conference dedicated to the 120th anniversary of Kazimierz Kuratowski,
September 27-October 1, 2016, Lviv, Ukraine. Abtract of Reports. Lviv, 2016, P. 48.
O. Gutik, Locally compact semitopological 0-bisimple inverse ω-monoids,
International Mathematical Conference “Groups and Actions: Geometry and Dynamics” dedicated to the memory of Professor Vitaly Sushchanskyy,
December 19-22, 2016, Taras Shevchenko National University of Kyiv, Ukraine. Abtract of Reports. Kyiv, 2016, P. 24.
I. Pozdniakova, and O. Gutik, On the monoid of monotone injective partial selfmaps of ℕ2 with co-finite domains and images,
International Mathematical Conference “Groups and Actions: Geometry and Dynamics” dedicated to the memory of Professor Vitaly Sushchanskyy,
December 19-22, 2016, Taras Shevchenko National University of Kyiv, Ukraine. Abtract of Reports. Kyiv, 2016, P. 39.
O. Gutik, Topological properties of Taimanov semigroups,
11th International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V. V. Kirichenko,
July 3-7, 2017, Kyiv, Ukraine. Abstracts, Kyiv, 2017, P. 51.
A. Savchuk, and O. Gutik, On the semigroup ID∞,
11th International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V. V. Kirichenko,
July 3-7, 2017, Kyiv, Ukraine. Abstracts, Kyiv, 2017, P. 119.
O. Gutik, Around compact (semi)topological semigroups,
XIIth Summer School, "Algebra, Topology, Analysis",
July 10-23 2017, Kolochava, Ukraine. Abstracts of Reports. Kyiv, 2017, P. 32.
O. Gutik, On feebly compact semitopological symmetric inverse semigroups of a bounded finite rank,
International Conference in Functional Analysis dedicated to the 125th anniversary of Stefan Banach,
Ukraine, 18-23 September 2017. Book of Abstracts, Lviv. 2017, P. 62.
T. Mokrytskyi, and O. Gutik, On the semigroup of order isomorphisms of principal filters of a power of the integers,
International Conference in Functional Analysis dedicated to the 125th anniversary of Stefan Banach,
Ukraine, 18-23 September 2017. Book of Abstracts, Lviv. 2017, P. 74.
A. Savchuk, and O. Gutik, The semigroup of partial co-finite isometries of positive integers,
Modern problems of Mechanics and Mathematics: collection of scientific papers in 3
vols. Edited by A. Ì. Samoilenko, R. M. Kushnir [Electronic resource], Pidstryhach
Institute for Applied Problems of Mechanics and Mathematics NAS of Ukraine. Lviv, 2018.
Vol. 3, P. 233, http://www.iapmm.lviv.ua/mpmm2018 (in Ukrainian).
O. Sobol, and O. Gutik, On feebly compact semitopological semilattice expnλ,,
Modern problems of Mechanics and Mathematics: collection of scientific papers in 3
vols. Edited by A. Ì. Samoilenko, R. M. Kushnir [Electronic resource], Pidstryhach
Institute for Applied Problems of Mechanics and Mathematics NAS of Ukraine. Lviv, 2018.
Vol. 3, P. 262-263, http://www.iapmm.lviv.ua/mpmm2018.
O. Gutik, Feebly compact semitopological symmetric inverse semigroups of a bounded finite rank,
Conference “Dynamical methods in Algebra, Geometry and Topology”, 4-6 July, 2018. Udine, Italy. P. 4,
https://dagt.uniud.it/abstracts/.
O. Gutik, and O. Krokhmalna, The monoid of monotone injective partial selfmaps of the poset (ℕ3,≤) with cofinite
domains and images,
The 13-th Summer School "Analysis, Topology and Applications",
29 July - 11 August, 2018, Vyzhnytsya, Chernivtsi region, Ukraine. Book of Abstracts, Chernivtsi, 2018, P. 14-15.
O. Gutik, and A. Ravsky, On old and new classes of feebly compact spaces,
The 13-th Summer School "Analysis, Topology and Applications",
29 July - 11 August, 2018, Vyzhnytsya, Chernivtsi region, Ukraine. Book of Abstracts, Chernivtsi, 2018, P. 15-17.
K. Maksymyk, and O. Gutik, On variants of the bicyclic extended semigroup,
The 13-th Summer School "Analysis, Topology and Applications",
29 July - 11 August, 2018, Vyzhnytsya, Chernivtsi region, Ukraine. Book of Abstracts, Chernivtsi, 2018, P. 29-32.
O. Gutik, On feeble compact (semi)topological semigroups,
Joint meeting of the Italian Mathematical Union, the Italian Society of Industrial and Applied Mathematics and the Polish Mathematical Society,
Wrocław, 17-20 September 2018. Abstracts. Wrocław, 2018, P. 221.
O. Gutik, and K. Melnyk, The semigroup of star partial homeomorphisms of a finite deminsional Euclidean space, International scientific conference
"Algebraic and geometric methods of analysis",
May 28 - June 3, 2019, Odesa, Ukraine. Abstracts. Odesa, 2019, P. 25.
O. Gutik, and O. Sobol, Extensions of semigroups by symmetric inverse semigroups ofa bounded finite rank, International scientific conference
"Algebraic and geometric methods of analysis",
May 28 - June 3, 2019, Odesa, Ukraine. Abstracts. Odesa, 2019, P. 26.
O. Gutik, and A. Savchuk, On inverse submonoids of the monoid of almost monotone injective co-finite partial selfmaps of
positive integers, "Banach Spaces and their Applications", International conference dedicated to 70th anniversary of Professor Anatolij Plichko, 25 - 30 June, 2019; Lviv,
Ukraine. Book of Abstracts. Ivano-Frankivsk, 2019, P. 45-46.
O. Gutik, On inverse submonoids of the monoid of almost monotone injective co-finite partial selfmaps of
positive integers, The XII International Algebraic Conference in Ukraine, July 02-06, 2019, Vinnytsia, Ukraine. Abstracts. Vinnytsia, 2019, P. 42-43.
P. Khylynskyi, O. Gutik, On Bruck-Reilly λ-extensions of semigroups, The XII International Algebraic Conference in Ukraine,
July 02-06, 2019, Vinnytsia, Ukraine. Abstracts. Vinnytsia, 2019, P. 51.
O. Gutik, and K. Maksymyk, On a semitopological extended bicyclic semigroup with adjoined zero,
Set-theoretic methods in topology and real functions theory, The conference is dedicated to the 80th birthday of Lev Bukovský.
September 9-13, 2019, Košice. Abstracts. Košice, 2019, P. 31-32.
O. Gutik, and A. Savchuk, On the monoid of cofinite partial isometries of a finite power of positive in¬te¬gers with the usual metric,
International Conference "Morse theory and its applications", dedicated to the memory and 70th anniversary of Volodymyr Vasylyovych Sharko (25.09.1949-07.10.2014).
Institute of Mathematics of National Academy of Sciences of Ukraine, Kyiv, Ukraine, September 25-28, 2019. Kyiv, 2019, P. 13-15.
Video:
Video:
S. Bardyla, and O. Gutik, On the lattice of weak topologies on the bicyclic monoid with adjoined zero, International mathematical conference
dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv. Book of Abstracts. July 14–17, 2020.
Taras Shevchenko National University of Kyiv, Kyiv, 2020. P. 16.
O. Gutik, On the monoid of cofinite partial isometries of ℕ with a bounded finite noise, Contemporary Mathematics in Kielce 2020, February 24-27, 2021, Kielce, Poland. https://cmk2020.ujk.edu.pl/schedule.
O. Gutik, and P. Khylynskyi, On the monoid of cofinite partial isometries of ℕ with a bounded finite noise, International Online Conference "Algebraic and Geometric Methods of Analysis", dedicated to the memory of Yuriy Trokhymchuk (17.03.1928-18.12.2019). May 25-28, 2021, Odesa, Ukraine. Abstracts, P. 48-49.
O. Gutik, and M. Mykhalenych, On some generalization of the bicyclic monoid, International Online Conference "Algebraic and Geometric Methods of Analysis", dedicated to the memory of Yuriy Trokhymchuk (17.03.1928-18.12.2019). May 25-28, 2021, Odesa, Ukraine. Abstracts, P. 50.
O. Gutik, On some generalization of the bicyclic monoid, International Conference "Dynamics of (Semi-)Group Actions". June 22-25, 2021, Łódz, Poland, Abstracts, P. 11.
O. Gutik, Around the bicyclic monoid, The 13th International Algebraic Conference in Ukraine. July 6-9, 2021, Taras Shevchenko National University of Kyiv, Kyiv, 2021, Book of Abstracts, P. 38.
Video:
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O. Gutik, and A. Savchuk, On the monoid of cofinite partial isometries of ℕ with the usual metric, The 13th International Algebraic Conference in Ukraine. July 6-9, 2021, Taras Shevchenko National University of Kyiv, Kyiv, 2021, Book of Abstracts, P. 39.
O. Gutik, and I. Pozdnyakova, On the semigroup generating by extended bicyclic semigroup and an ω-closed family, XXVI International Scientific Conference “Modern Problems of Applied Mathematcs and Computer Sxiences APAMCS-2021”, September 27-28, 2021, Lviv. Proceedings, Lviv, 2021, P. 95-97 (in Ukrainian).
O. Gutik, and P. Khylynskyi, On a locally compact semitopological monoid of co?nite
partial isometries of ℕ with adjoined zero, International Algebraic Conference "At the End of the Year" 2021. December 27-28, 2021, Kyiv, Ukraine. Abstracts, P. 13.
Other Conference, Workshop, Meeting and Seminar Reports
On the bands of compact inverse semigroups with open translations,
All Ukrainian Scientific Conference "Development and Applications of Mathematical Methods in Scientific
Research", October 3-7, 1995. Lviv, Ukraine.
On compact semilattices with open principal ideals, Forth
International Conference "Groups and Group Rings", September 17-21, 1996. Velykyi Lyubin, Ukraine.
On homomorphisms of topological semigroups, International
Conference Dedicated to 100th Anniversary of Rene Baer Dissertation, September 15-17, 1999. Chernivtsi, Ukraine.
On countably compact 0-simple and congruence-free topological inverse semigroups, Geometric Topology Seminar, June 2, 2006. University of
Ljubljana, Slovenia.
Topological semigroups of matrix units, Summer School on Algebra
and Ordered Sets, September 2-9, 2006. Radejov, Czech Republic.
H-closed topological semigroups and semilattices, 8th Conference
"Geometry and Topology of Manifolds", April 30-May 6, 2007. Przemysl-Lviv, Poland-Ukraine.
On H-closedness in partially ordered topological spaces, Geometric Topology Seminar, November 23, 2007. University of Ljubljana, Slovenia.
The history of the Lviv mathematical school, Geometric Topology Seminar, July 17, 2008. University of Ljubljana, Slovenia.
Countably compact topological semigroups, Geometric Topology Seminar, August 19, 2009. University of Ljubljana, Slovenia.
Topological semilattices with restrictions on translations and their completeness, Seminarium z algebry ogólnej, March 15, 2011.
Politechnika Warszawska, Poland.
H-complete topological semigroups and semilattices, Geometric Topology Seminar, April 17, 2013. University of Ljubljana, Slovenia.
On compactifications of topological Brandt extensions of semitopological semigroups, Geometric Topology Seminar, April 24, 2013.
University of Ljubljana, Slovenia.
Semigroups of partial monotone bijections of ordered sets, The 51st Summer School on General Algebra and Ordered Sets, September 1-7, 2013,
Hotel Troyer, Trojanovice, Czech Republic.
Topological semigroups and paratopological groups, Join Meeting of the Mathematical Section NAN of Ukraine and the Section of Mathematics and
Mathematical Modeling of Western Scientific Center of NAN of Ukraine, dedicated to the developed of the topology in Western Ukraine, October 30, 2013. Lviv.
Topological semilattices with restrictions on translations, 2014 Zhangzhou International Topology Workshop, April 10-16, 2014. Minnan Normal
University, Zhangzhou, China.
H-complete topological semilattices, 2014 Zhangzhou International Topology Workshop, April 10-16, 2014. Minnan Normal University, Zhangzhou,
China.
Compact like topological semigroups, 2014 Zhangzhou International Topology Workshop, April 10-16, 2014. Minnan Normal University, Zhangzhou,
China.
Topological Brandt λ0-extensions of (semi)topological semigroups, 2014 Zhangzhou International Topology
Workshop, April 10-16, 2014. Minnan Normal University, Zhangzhou, China.
Pseudocompact topological semigroups, I, II, III, Workshop on Topological Groups and Their Generalizations, September 22-27, 2014.
University of Hradec Králové, Czech Republic.
Around the bicyclic monoid: topological and semigroup views, Set Theory Seminar, April 1, 2015.
Wroclaw University of Sciences and Technology, Poland.
Compact-like semitopological and topological semigroups, Topology Seminar, Mathematical Institute, May 31, 2015.
Wroclaw University, Poland.
On the group of automorphisms of the Brandt λ0-extension of a monoid with zero,
Workshop on Algorithmic Aspects of Finding Semigroups of Partial Automorphisms of Combinatorial Structures, September 17, 2016. ITAT 2016, Hotel Sorea Hutnik, Tatranske Matliare,
Slovakia.
Brandt λ0-extensions of semigroups, Instytut Matematyki Politechniki Lόdzkiej, October 17, 2016.
Politechnika Lόdzka, Poland.
The topologization of inverse semigroups, The December Sesion of Shevchenko Scientific Society (Mathematical Committee), December 23, 2016.
Lviv, Ukraine.
Around the bicyclic semigroup, Seminar of Institute of Mathematics, November 29, 2018.
Jan Kochanowski University in Kielce, Poland.
On semigroups of partial order isomorphism and co-finite partial homeomorphisms, Topology Seminar, Mathematical Institute, November 26, 2018.
Wroclaw University, Poland.
Algebra and Number Theory in Puzyna's works, Àêàäåì³ÿ, ïðèñâÿ÷åíà ïàì’ÿò³ ïðîô. Þçåôà êíÿçÿ Ïóçèíè (1856 – 1919), March 22, 2019.
National University of Lviv, Ukraine.
Video:
Codes and Automata, Winter School DES 2020 Data Engineering and Security, January 28, 2020. National University of Lviv, Ukraine.
Lviv Topological Seminar and its founder Igor Guran, Topology in Lviv University, February 24, 2020. National University of Lviv, Ukraine.
Video:
Algebraic Codes and Automata, Winter School DES 2021 Data Engineering and Security, January 18 and 28, 2021.
National University of Lviv, Ukraine.
Codes and Automata: the Algebraic View, Winter School DES 2022 Data Engineering and Security, February 1, 2022.
National University of Lviv, Ukraine.
Particapant of Conferences
The Second Europian Set Theory Metting: In Honnor of Ronald Jensen, July 5-10, 2009, Będlewo, Poland.
Algebra, Topology and their Interactions, International conference, 7-8 September 2021, Udine, Italy.
Other Papers
I. Guran, and O. Gutik, Alexander Doniphan Wallace:
the founder of the theory of topological semigroups, Third Summer School in Algebra,
Analysis and Topology. Lviv-Kozyova, August 9-20, 2005. Invited Lectures and Abstracts
of Research Reports. Lviv (2005), 31-57.
Ya. Prytula, M. Zarichnyi, T. Banakh, and O. Gutik, Second summer
school in algebra and topology, Mat. Stud. 22 (2004) no. 2, 223-224.
O. Gutik, and M. Zarichnyi, Third Summer School in Algebra,
Analysis and Topology, Mat. Stud. 24 (2005), no. 2, 217-218.
O. Gutik, and M. Zarichnyi, Third Summer School in Algebra,
Analysis and Topology, Ukr. Math. Zh. 58 (2006), no. 2, 288-289 (in Ukrainian).
O. Gutik, and M. Zarichnyi, Fourth Summer School “Algebra,
Topology, Functional and Stochastic Analysis”, Mat. Stud. 26 (2006), no. 1, 111-112.
T. O. Banakh, O. V. Gutik,
International conference in functional analysis dedicated to the 125th anniversary of Stefan Banach,
Mat. Stud. 48 (2017), no. 2, 220-221.
T. Banakh, O. Gutik, The International Conference in Functional Analysis dedicated to the 125th anniversary of Stefan Banach,
Visn. L'viv. Univ., Ser. Mekh.-Mat. 84 (2017), 126-127.