UNIVERSITY OF THE WITWATERSRAND,
Private Bag 3, Wits 2050, Johannesburg,
SOUTH AFRICA
+27117176246
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SCHOOL OF MATHEMATICS, UNIVERSITY OF THE WITWATERSRAND, Private Bag 3, Wits 2050, Johannesburg, SOUTH AFRICA +27117176246
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Post-graduate study in Algebra, Kyiv Taras Shevchenko University (1999-2002);
Diploma "C. Sc" Dissertation "Symmetric Subsets and Colorings of Groups" 118p, autoreferat in Ukrainian (2003);
Researcher at Kyiv Taras Shevchenko University, Faculty of Cybernetics, Operations Research Department (2002-2004);
Post-doctoral fellow at University of the Witwatersrand, Faculty of Science, School of Mathematics (2005-2006);
Lecturer at University of the Witwatersrand, Faculty of Science, School of Mathematics (2007-Present).
Group Theory and Combinatorics
Y. Gryshko On assymetrically resolvable groups Mat. Zametki, 74 (2003), 474-476 (Russian).
Y. Gryshko Monochrome symmetric subsets in 2-colorings of groups Electron. J. Comb., 10 (2003), R28, 8p.
Y. Gryshko, A.Khelif Monochrome symmetric subsets of colored groups J. Comb. Theory, Ser.A, 112 (2005), 212-221.
Y.Gryshko Symmetric colorings of regular polygons Ars Combinatoria, 78 (2006), 277-281.
Ye. Zelenyuk, Yu. Zelenyuk Transformations and colorings of groups Can. Math. Bull., 50 (2007), 632-636.
Ye. Zelenyuk, Yu. Zelenyuk Free groups in the smallest ideal of bG Semigroup Forum, 78 (2009), 360-367.
O. Shuungula, Ye. Zelenyuk, Yu. Zelenyuk The closure of the smallest ideal of an ultrafilter semigroup Semigroup Forum, 79 (2009), 531-539.
M. Korostenski, Yu. Zelenyuk Ramsey functions for symmetric subsets in compact groups Quaestiones Mathematicae, 33 (2010), 1-9.