Edit Profile Nykyforchyn, Oleh R. Compute Distance To: Compute Author ID: nykyforchyn.oleh-r Published as: Nikiforchin, O. R.; Nykyforchyn, O.; Nykyforchyn, O. R.; Nykyforchyn, Oleg; Nykyforchyn, Oleh; Nykyforchyn, Oleh R. External Links: MGP · Math-Net.Ru · Wikidata · ORCID · dblp Documents Indexed: 33 Publications since 1995 all top 5 Co-Authors 14 single-authored 6 Repovš, Dušan D. 4 Hlushak, Inna D. 4 Zarichnyi, Michael Mikhailovich 3 Banakh, Taras Onufrievich 3 Gavrylkiv, Volodymyr M. 3 Mykytsey, Oksana 3 Sharyn, Sergii 3 Zagorodnyuk, Andriy V. 3 Zatorsky, Roman A. 2 Artemovych, Orest D. 2 Drozd, Yuriĭ Anatoliĭovych 2 Filevych, Petro V. 2 Hanyushkin, O. H. 2 Kirichenko, Vladimir V. 2 Petravchuk, Anatolii P. 2 Petrichkovich, Vasil’ Mikhaĭlovich 2 Pylypiv, V. M. 2 Sushchans’kyĭ, Vitaliĭ Ivanovych 1 Bodnarchuk, Yuriĭ Viktorovych 1 Bondarenko, Vitalij M. 1 Cherevko, Igor M. 1 Goy, Taras P. 1 Grigorchuk, Rostislav Ivanovich 1 Huran, Y. I. 1 Kazmerchuk, Anatoliy I. 1 Komarnytskyy, Mykola Ya. 1 Kopach, Mykhaĭlo Ivanovych 1 Kyrchej, Ivan I. 1 Kyrychenko, V. M. 1 Makhnei, Oleksandr V. 1 Malyts’ka, Hanna P. 1 Maslyuchenko, Volodymyr K. 1 Mazurenko, Viktor Volodymyrovych 1 Mikityuk, I. V. 1 Nekrashevych, Volodymyr V. 1 Osypchuk, Mykhailo M. 1 Pilipiv, V. M. 1 Savka, Ivan Ya. 1 Sharko, V. M. 1 Sharko, Volodymyr Vasil’ovych 1 Symotyuk, M. M. 1 Vasylyshyn, P. B. 1 Vlasiy, Oleg Dmitrovich all top 5 Serials 7 Matematychni Studiï 6 Carpathian Mathematical Publications 2 Fuzzy Sets and Systems 2 Order 2 Visnyk L’vivs’kogo Universytetu. Seriya Mekhaniko-Matematychna 2 Applied Categorical Structures 2 Matematychnyĭ Visnyk Naukovogo Tovarystva Im. Shevchenka 1 Commentationes Mathematicae Universitatis Carolinae 1 Fundamenta Mathematicae 1 Siberian Mathematical Journal 1 Topology 1 Topology and its Applications 1 Journal of Convex Analysis 1 Sbornik: Mathematics 1 Methods of Functional Analysis and Topology 1 Algebra and Discrete Mathematics 1 Carpathian Journal of Mathematics all top 5 Fields 21 General topology (54-XX) 20 Category theory; homological algebra (18-XX) 8 Order, lattices, ordered algebraic structures (06-XX) 7 Measure and integration (28-XX) 5 Convex and discrete geometry (52-XX) 3 History and biography (01-XX) 3 Mathematical logic and foundations (03-XX) 1 Topological groups, Lie groups (22-XX) 1 Functional analysis (46-XX) 1 Computer science (68-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 20 Publications have been cited 46 times in 26 Documents Cited by ▼ Year ▼ Capacity functor in the category of compacta. Zbl 1165.54003Zarichnyǐ, M. M.; Nykyforchyn, O. R. 9 2008 Algebra in superextensions of groups. I: Zeros and commutativity. Zbl 1164.22302Banakh, T.; Gavrylkiv, V.; Nykyforchyn, O. 8 2008 Capacities with values in compact Hausdorff lattices. Zbl 1141.18004Nykyforchyn, Oleh R. 6 2007 Inclusion hyperspaces and capacities on Tychonoff spaces: functors and monads. Zbl 1222.54014Nykyforchyn, Oleh; Repovš, Dušan 3 2010 Uniqueness of monads for the capacity functor and its subfunctors. Zbl 1224.18002Nykyforchyn, O. R. 2 2010 Submonads of the capacity monad. Zbl 1174.18301Hlushak, I. D.; Nykyforchyn, O. R. 2 2008 On continuity, openness, and bicommutativity of functors in the category of compacta. Zbl 0936.18005Nykyforchyn, O. R. 2 1998 Semiconvex compacta. Zbl 0938.54011Nykyforchyn, O. R. 2 1997 \(L\)-convexity and lattice-valued capacities. Zbl 1305.18010Nykyforchyn, Oleh; Repovš, Dušan 1 2014 Continuous and dually continuous idempotent \(L\)-semimodules. Zbl 1305.46064Nykyforchyn, O. R. 1 2012 \(L\)-fuzzy strongest postcondition predicate transformers as \(L\)-idempotent linear or affine operators between semimodules of monotonic predicates. Zbl 1252.68194Nykyforchyn, Oleh; Repovš, Dušan 1 2012 Adjoints and monads related to compact lattices and compact Lawson idempotent semimodules. Zbl 1259.06006Nykyforchyn, Oleh 1 2012 \(L\)-idempotent linear operators between predicate semimodules, dual pairs and conjugate operators. Zbl 1265.03023Nykyforchyn, Oleg; Mykytsey, Oksana 1 2011 Ambiguous representations as fuzzy relations between sets. Zbl 1226.03054Nykyforchyn, Oleh; Repovš, Dušan 1 2011 Atomized measures and semiconvex compacta. Zbl 1433.28003Nykyforchyn, O. R. 1 2010 Conjugate measures on semilattices. Zbl 1240.54037Nykyforchyn, Oleg; Mykytsey, Oksana 1 2010 The Sugeno integral and functional representation of the monad of lattice-valued capacities. Zbl 1193.28012Nykyforchyn, O. R. 1 2009 Geometry of spaces of capacities on metrizable compacta and components of multiplication of the capacity monad and two its submonads. Zbl 1199.18004Nykyforchyn, O. R. 1 2009 Fractal capacities and iterated function systems. Zbl 1199.18005Nykyforchyn, Oleg 1 2008 On homeomorphisms of hyperspaces of convex subsets. Zbl 0927.54007Nykyforchyn, O. R. 1 1995 \(L\)-convexity and lattice-valued capacities. Zbl 1305.18010Nykyforchyn, Oleh; Repovš, Dušan 1 2014 Continuous and dually continuous idempotent \(L\)-semimodules. Zbl 1305.46064Nykyforchyn, O. R. 1 2012 \(L\)-fuzzy strongest postcondition predicate transformers as \(L\)-idempotent linear or affine operators between semimodules of monotonic predicates. Zbl 1252.68194Nykyforchyn, Oleh; Repovš, Dušan 1 2012 Adjoints and monads related to compact lattices and compact Lawson idempotent semimodules. Zbl 1259.06006Nykyforchyn, Oleh 1 2012 \(L\)-idempotent linear operators between predicate semimodules, dual pairs and conjugate operators. Zbl 1265.03023Nykyforchyn, Oleg; Mykytsey, Oksana 1 2011 Ambiguous representations as fuzzy relations between sets. Zbl 1226.03054Nykyforchyn, Oleh; Repovš, Dušan 1 2011 Inclusion hyperspaces and capacities on Tychonoff spaces: functors and monads. Zbl 1222.54014Nykyforchyn, Oleh; Repovš, Dušan 3 2010 Uniqueness of monads for the capacity functor and its subfunctors. Zbl 1224.18002Nykyforchyn, O. R. 2 2010 Atomized measures and semiconvex compacta. Zbl 1433.28003Nykyforchyn, O. R. 1 2010 Conjugate measures on semilattices. Zbl 1240.54037Nykyforchyn, Oleg; Mykytsey, Oksana 1 2010 The Sugeno integral and functional representation of the monad of lattice-valued capacities. Zbl 1193.28012Nykyforchyn, O. R. 1 2009 Geometry of spaces of capacities on metrizable compacta and components of multiplication of the capacity monad and two its submonads. Zbl 1199.18004Nykyforchyn, O. R. 1 2009 Capacity functor in the category of compacta. Zbl 1165.54003Zarichnyǐ, M. M.; Nykyforchyn, O. R. 9 2008 Algebra in superextensions of groups. I: Zeros and commutativity. Zbl 1164.22302Banakh, T.; Gavrylkiv, V.; Nykyforchyn, O. 8 2008 Submonads of the capacity monad. Zbl 1174.18301Hlushak, I. D.; Nykyforchyn, O. R. 2 2008 Fractal capacities and iterated function systems. Zbl 1199.18005Nykyforchyn, Oleg 1 2008 Capacities with values in compact Hausdorff lattices. Zbl 1141.18004Nykyforchyn, Oleh R. 6 2007 On continuity, openness, and bicommutativity of functors in the category of compacta. Zbl 0936.18005Nykyforchyn, O. R. 2 1998 Semiconvex compacta. Zbl 0938.54011Nykyforchyn, O. R. 2 1997 On homeomorphisms of hyperspaces of convex subsets. Zbl 0927.54007Nykyforchyn, O. R. 1 1995 all cited Publications top 5 cited Publications all top 5 Cited by 15 Authors 10 Nykyforchyn, Oleh R. 8 Repovš, Dušan D. 7 Gavrylkiv, Volodymyr M. 5 Banakh, Taras Onufrievich 3 Hlushak, Inna D. 2 Cherkovskyi, T. M. 2 Zarichnyi, Michael Mikhailovich 1 Bazylevych, Lidiya 1 Cencelj, Matija 1 Doberkat, Ernst-Erich 1 Hryniv, Olena 1 Mykytsey, Oksana 1 Niţică, Viorel 1 Radul, Taras Mykolaovych 1 Sergeev, Sergeĭ Mikhaĭlovich all top 5 Cited in 15 Serials 5 Carpathian Mathematical Publications 4 Fuzzy Sets and Systems 3 Topology and its Applications 2 Order 2 Applied Categorical Structures 1 Semigroup Forum 1 Siberian Mathematical Journal 1 Information and Computation 1 Journal of Mathematical Sciences (New York) 1 Matematychni Studiï 1 Lobachevskii Journal of Mathematics 1 Algebra and Discrete Mathematics 1 Journal of Algebra and its Applications 1 Asian-European Journal of Mathematics 1 International Journal of Group Theory all top 5 Cited in 14 Fields 10 General topology (54-XX) 8 Category theory; homological algebra (18-XX) 8 Group theory and generalizations (20-XX) 5 Order, lattices, ordered algebraic structures (06-XX) 5 Measure and integration (28-XX) 3 Topological groups, Lie groups (22-XX) 3 Functional analysis (46-XX) 3 Convex and discrete geometry (52-XX) 2 Mathematical logic and foundations (03-XX) 2 Combinatorics (05-XX) 2 Computer science (68-XX) 1 Algebraic geometry (14-XX) 1 Geometry (51-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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