ViceRector on scientific and pedagogical work, Professor 
PERSONAL INFORMATION
Date of birth: May 3, 1972
Address: Department of Mathematics and Computer Sciences,
Precarpathian National University,
57 Shevchenka str., IvanoFrankivsk, Ukraine, 76018
Phone (office): +380342596017
Phone (cell): +380957005288
email: sharyn.sergii@gmail.com, serhii.sharyn@pnu.edu.ua
Web page: sharyn.pnu.edu.ua
ORCID ID: https://orcid.org/0000000325471442
SCOPUS Author ID: https://www.scopus.com/authid/detail.uri?authorId=25026554600
Web of Science Researcher ID: https://www.webofscience.com/wos/author/record/1643680
EDUCATION
1989 – 1994 Ivan Franko Lviv State University, Department of Mechanics and Mathematics, student
1994 – 1996 Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of National Academy of Sciences of Ukraine, Department of Functional Analysis, postgraduate student
1997 Ivan Franko Lviv State University, PhD degree
2010 – 2013 Vasyl Stefanyk Precarpathian National University, Department of Mathematics and Computer Sciences, DrSci student
2017 Institute of Mathematics of National Academy of Sciences of Ukraine, DrSci degree
Title of PhD thesis: Functional calculus for generators of (C0)semigroups over Banach spaces in convolution algebras of Schwartz distributions.
Thesis Advisor: Prof. Dr hab. Oleh Lopushansky
Title of DrSci thesis: Algebras of polynomial distributions on infinite dimensional spaces and their application to operator calculus.
RESEARCH INTERESTS
Primary research interests: functional analysis; theory of distributions; theory of semigroups of operators; theory of hyperfunctions.
Specific research interests: polynomial (ultra)distributions in infinite dimensional analysis; extension of integral transformations onto algebras of polynomial (ultra)distributions; functional
calculus for generators of (semi)groups, (ultra)distribution and hyperfunction semigroups.
PROFESSIONAL EXPERIENCE
Academic Positions:
1997 – 1998 Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of National Academy of Sciences of Ukraine, Lviv, Department of Functional Analysis, junior scientific researcher
1998 – 1999 Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of National Academy of Sciences of Ukraine, Lviv, Department of Functional Analysis, scientific researcher
1999 – 2002 Precarpathian National University, IvanoFrankivsk, Department of Mathematics and Computer Sciences, assistant
2002 – 2014 Precarpathian National University, IvanoFrankivsk, Department of Mathematics and Computer Sciences, associate professor
2014 – till now Precarpathian National University, IvanoFrankivsk, ViceRector on scientific and pedagogical work
International Experience:
September 2124, 2006 5th International Conference on Applied Mathematics, Baia Mare, Romania
May 416, 2009 Internship in Rzeszów University, Faculty of Mathematics and Natural Sciences, Institute of Mathematics, Rzeszów, Poland
September 1319, 2009 International Conference “Spaces of Analytic and Smooth Functions III ” Będlewo near Poznań, Poland
October 25 – Internship in Rzeszów University,
November 5, 2010 Faculty of Mathematics and Natural Sciences, Institute of Mathematics, Rzeszów, Poland
October 25 – Internship in Université Lille1, laboratoire Paul Painlevé,
November 8, 2011 Lille, France
May 612, 2012 International Conference “Functional Analysis: Applications to Complex Analysis and Partial Differential Equations” Będlewo near Poznań, Poland
June 29 – July 2, 2014 XVIIth Conference on Analytic Functions and Related Topics Che lm, Poland
I semester of Visiting Professor, Institute of Mathematics,
20162017 acad. year The State School of Higher Education, Che lm, Poland
II semester of Visiting Professor, Department of Physics and Applied
20162017 acad. year Informatics, University of Lodz, Lodz, Poland
II semester of Visiting Professor, Department of Physics and Applied
20172018 acad. year Informatics, University of Lodz, Lodz, Poland
MEMBERSHIP
• Executive Secretary of the Scientific Journal “Carpathian Mathematical Publications”
• Member of Editorial Board of the Scientific Journal “Creative Mathematics and Informatics”
• Member of Editorial Board of the Scientific Journal “Journal of Vasyl Stefanyk Precarpathian
National University”
• Reviewer of Zentralblatt MATH and Mathematical Reviews
• Member of Ukrainian Mathematical Society, IvanoFrankivsk branch
• Member of Scientific Society named after T. Shevchenko in Lviv, IvanoFrankivsk branch
COMMUNICATION SKILLS
Languages:
English: Good written and oral skills
(Certificate AM 4545 of UkrainianCanadian Business Center SBEDIF)
Polish: Good written and oral skills
Russian: Excellent written and oral skills
Ukrainian: Excellent written and oral skills
(native language)
Software:
Mathematical software: Mathematica, Maple
Publishing software: LATEX
Office software: Libre Office, MS Office
Programming language: Object Pascal & Delphi
 Sharin S.V., The PaleyWiener theorem for Schwartz distributions with support on a halfline, J. Math. Sci., (1999), 96, no. 2, 2985–2987. doi: 10.1007/BF02169692
 Sharyn S.V., Some generalized functions of a generator of fractional integration semigroup, Math. Methods Phys. Mech. Fields, (1999), 42, no. 3, 28–30. (in Ukrainian)
 Sharin S.V., The CrossCorrelation Operation of Schwartz Distributions, J. Math. Sci., (2001), 107, no. 1, 3604–3609. doi: 10.1023/A:1011950408930
 Sharyn S.V., Zagorodnyuk A.V., Functional calculus and homomorphisms in the algebra of analytic functions of bounded type on a Banach space, Appl. Probl. Mech. Math., (2007), 5,
22–27. (in Ukrainian)  Sharyn S.V., Zagorodnyuk A.V., Note on the weak polynomial topology, Math. Stud., (2008), 30, no. 1, 98–100.
 Lopushansky O.V., Sharyn S.V., Polynomial ultradistributions on cone R d +, Topology, (2009), 48, no. 2–4, 80–90. doi:10.1016/j.top.2009.11.005.
 Patra M.I., Sharyn S.V. Operator calculus on the class of Sato’s hyperfunctions, Carpathian Math. Publ., (2013), 5, no. 1, 114–120. doi: 10.15330/cmp.5.1.114120
 Lopushansky O.V., Sharyn S.V., Generalized HillePhillips type functional calculus for multiparameter semigroups, Siberian Math. J. (2014), 55, no. 1, 105–117. doi: 10.1134/S0037446614010133
 Lopushansky O., Sharyn S., Operators commuting with multiparameter shift semigroups, Carpathian J. Math. (2014), 30, no. 2, 217–224.
 Patra M., Sharyn S. On crosscorrelation of a hyperfunction and a real analytic function, Internat. J. Math. Anal. (2015), 9, no. 2, 95–100. doi: 10.12988/ijma.2015.411351
 Sharyn S.V. Paley–Wienertype theorem for polynomial ultradifferentiable functions, Carpathian Math. Publ., (2015), 7, no. 2, 271–279. doi: 10.15330/cmp.7.2.271279
 Lopushansky O.V., Sharyn S.V., Application of the Laplace Transform of Tempered Distributions to the Construction of Functional Calculus, Ukrainian Math. J., (2016), 67, no. 11, 1687–1703. doi: 10.1007/s1125301611838
 Sharyn S. Joint functional calculus in algebra of polynomial tempered distributions, Meth. Funct. Anal. Top., (2016) 22, no. 1, 62–73.
 Sharyn S.V. Gˆateaux differentiability of polynomial test and generalized functions, J. Math. Sci., (2017), 220, no. 1, 15–26. doi: 10.1007/s1095801631648
 Sharyn S. Operator Calculus for Noncommuting Operators over Symmetric Fock Space, Internat. J. Math. Anal. (2017), 11, no. 1, 29–38. doi: 10.12988/ijma.2017.611124.
 A. Lopushansky, O. Lopushansky, S. Sharyn. Nonlinear inverse problem of control diffusivity parameter determination for a spacetime fractional diffusion equation. Applied Mathematics and Computation V. 390, 1 2021, 125589.
 S. Sharyn. Algebraic and differential properties of polynomial Fourier transformation, Mat. Stud. 53 (2020), 59–68.

Antonova T., Dmytryshyn R., Sharyn S. Branched continued fraction representations of ratios of Horn’s confluent function H6. Constr. Math. Anal. 2023, 6(1), 2237. https://doi.org/10.33205/cma.1243021

Antonova T., Dmytryshyn R., Kril P., Sharyn S. Representation of some ratios of Horn’s hypergeometric functions H7 by continued fractions. Axioms. 2023, 12(8), 738. https://doi.org/10.3390/axioms12080738
Executive Secretary of the Scientific Journal “Carpathian Mathematical Publications”
Member of Editorial Board of the Scientific Journal “Creative Mathematics and Informatics”
Member of Editorial Board of the Scientific Journal “Journal of Vasyl Stefanyk Precarpathian National University”
Reviewer of Zentralblatt MATH and Mathematical Reviews
Member of Ukrainian Mathematical Society, IvanoFrankivsk branch
Member of Scientific Society named after T. Shevchenko in Lviv, IvanoFrankivsk branch
Postal Address
Department of Mathematical and Functional Analysis
Precarpathian National University
57, Shevchenka str., IvanoFrankivsk
76018 Ukraine
Phones
+380342596017 (office)
+380957005288 (cell)