SEMINAR PROGRAM

Ivan Fedorovych Grygorchuk's 95-th Anniversary

The seminar will begin on February 21 at 6:00pm Kyiv time (=11am EST New York, =10am Central Time Texas)

Part 1

Greeetings from seminar participants.

• Olha Martynyuk (Yuriy Fedkovych Chernivtsi National University)

• Oksana Bezuschak (Kyiv Taras Shevchenko National University)

• Yaroslav Bigun “On Ivan Grygorchuk's life path”: Slideshow “On the time period of Grygorchuk family in Zalischyky"

and guests from: Lviv, Ivano-Frankivsk, Ternopil, Chernivtsi, Zalischyk, USA, United Kingdom, Chile, Italy, and representatives of Shevchenko Scientific Society in Ukraine and USA.

Part 2

Scientific Sections:

1. Algebra

2. Topology and Analysis

3. Combinatorics, Number Theory, and Computer Science

4. Applied Mathematics and Physics

Speakers:

• Oksana Bezuschak (Kyiv). Primary decompositions of unital locally matrix algebras.

• Taras Banakh (Lviv). Every isometry between spheres of 2-dimensional Banach spaces is linear.

• Levon Beklaryan (Moscow). About enclosure of groups of intermediate growth in group of homeomorphisms (diffeomorphisms) of real line, circle, interval.

• Yaroslav Bigun (Chernivtsi). TBA.

• Sergiy Butenko (Texas). On Research and Education in Mathematical Optimization.

• Alina Vdovina (United Kingdom). Buildings, Drinfeld-Manin solutions of Yang-Baxter equations and Ramanujan graphs.

• Yaroslav Vorobets (Texas). Morse system and Grigorchuk group.

• Olena Karlova (Chernivtsi). On a problem of a decomposition of balls into congruent pieces.

• Volodymyr Nekrashevych (Texas). Simple periodic groups.

• Mykhailo Petryk (Ternopil). Boundary value problems in mathematical modeling of heterogeneous structures and media.

• Florin Radulescu (Rome). Dimension formulae of Gelfand-Graev, Jones and their relation to automorphic forms and temperdness of quasiregular representations.

• Dmytro Savchuk (Florida). On a connection between automata and p-adic analysis.

• Anton Tyutyunyk (Chile). Modeling nanostructures for THz applications.

• Efim Zelmanov (California). Automorphism groups and Lie algebras of vector fields of affine varieties.

• Mykhailo Zarichnyi (Lviv). Categorical properties of *-measures.

• Tullio Ceccherini-Silberstein (Rome). A note on the Kaloujnine-Krasner Theorem.

• Ihor Cherevko (Chernivtsi). Approximation of systems with delay and algorithms for modeling their stability.

• Roman Kogan (California). TBA.

• Roman Zatorskyi (Ivano-Frankivsk). On one combinatorial scheme.