{{menu|Events}} June 4-6, 2009, the workshop ''Finitary & Infinitary Logic'' took place at the KGRC, with the [http://logic.pdmi.ras.ru/ St. Petersburg logic group]. (Funded by the FWF and RFBR joint seminars program, project A310-N18), Here is the program:
=== Thursday 4th ===
09:00 - 09:45 '''Yu.Matiyasevich''' Computation paradigms in light of Hilbert's tenth problem
10:00 - 10:45 '''M.Vsemirnov''' Diophantine encoding
11:00 - 11:45 '''V.Orevkov''' Cut and an induction scheme for resolution method
Lunch at the KGRC
14:00 - 14:45 '''S.Friedman''' The descriptive set theory of finite structures
15:00 - 15:45 '''E.Fokina''' Applications of Kolmogorov complexity to computable model theory
16:00 - 16:45 '''M.Goldstern''' Clones
=== Friday 5th ===
09:00 - 09:45 '''E.Girsh''' Complete problems from secure encryption to optimal proof systems
10:00 - 10:45 '''S.Nikolenko''' Feebly secure cryptographic primitives
11:00 - 11:45 '''D.Itsykson''' Average-case complexity of randomized computations with bounded error
Lunch at the KGRC
14:00 - 14:45 '''A.Walczak-Typke''' Stable model theory
15:00 - 15:45 '''D.Weller''' CERES: a program for cut-elimination
16:00 - 16:45 '''P.Welch''' Infinite-time register machines
=== Saturday 6th ===
14:00 - 14:45 '''Yu.Matiyasevich''' Diophantine flavor of Kolmogorov complexity
15:00 - 15:45 '''A.Kulikov''' On convex complexity measures
16:00 - 16:45 Discussion of future collaborations