Conference Program

    Wednesday June 26th
    9:00-10:00 Coffee and Registration
    10:00-10:50 Jorge Almeida The globals of some bilateral semidirect products
    11:00-11:50 Jean-Camille Birget The groups of Richard Thompson and complexity
    12:00-14:00 Lunch
    14:00-14:50 Karl Auinger The Ribes-Zalesskii product theorem and Cayley graphs of profinite groups
    15:00-15:50 Victor Guba On the properties of the Cayley graph of R. Thompson's group F
    16:00-16:30 Coffee and Cake
    16:30-17:20 Karsten Henckell Smoothing out relationships, idempotent pointlikes, and stable pairs
    Thursday June 27th
    9:00-10:00 Late Registration and Coffee
    10:00-10:50 John Meakin Equations in free inverse monoids
    11:00-11:50 Jon McCammond A geometric approach to semigroup theory
    12:00-14:00 Lunch
    14:00-14:50 Howard Straubing The work of John Rhodes and the other complexity or, the power of counting and the power of SNAGS
    15:00-15:50 Jean-Eric Pin Open problems on concatenation hierarchies
    16:00-16:30 Coffee and Cake
    16:30-17:20 John Rhodes A theory of infinite groups using geometric global semigroup theory
    20:00-???? Conference Banquet
    Friday June 28th
    9:00-10:00 Coffee
    10:00-10:50 Luis Ribes Profinite topologies on free products of groups
    11:00-11:50 Mark Sapir Residually finite HNN extensions of free groups
    12:00-14:00 Lunch
    14:00-14:50 Pedro Silva Algorithmic problems for rational subsets of groups
    Parallel Session 1
    15:00-15:20 Luis Teixeira Oliveira E-varieties of locally inverse semigroups and varieties of pseudosemilattices
    15:30-15:50 Avram Trahtman Local testability and generalizations. Some implemented algorithms
    Parallel Session 2
    15:00-15:20 Vitaly Sushchanskyy Growth of semigroups generated by Mealy automata
    15:30-15:50 Volodymyr Nekrashevych Iterated monodromy groups
    16:00-16:30 Coffee and Cake
    Parallel Session 3
    16:30-16:50 Manuel Branco ARF numerical semigroups
    17:00-17:20 José Carlos Costa Tameness of LSl
    Parallel Session 4
    16:30-16:50 Steve Pride Homotopy and homology of string rewriting systems
    17:00-17:20 Lev Schneyerson On the inverse semigroups of intermediate growth
    Parallel Session 5
    17:30-17:50 Ouziel Hadad The semigroup of the Abelian sandpile model
    18:00-18:20 Grigori Zhitomirskii Autoequivalences of categories of free semigroups and free inverse semigroups
    Parallel Session 6
    17:30-17:50 Manuel Delgado Solvable monoids with commuting idempotents
    18:00-18:20 Alexei Miasnikov Finite automata and algebraic extensions of free groups
    Saturday June 29th
    9:00-10:00 Coffee
    10:00-10:50 Chrystopher Nehaniv Feedback is easy for pseudovarieties
    11:00-11:50 Denis Therien The communication complexity of regular languages
    12:00-14:00 Lunch
    14:00-14:50 Mikhail Volkov Complexity of checking identities and quasi-identities in finite semigroups
    15:00-15:50 Rostislav Grigorchuk Algorithmic problems and presentations of groups generated by finite automata
    16:00-16:30 Coffee and Cake
    16:30-17:20 Pascal Weil On the Hanna Neumann conjecture

    Rhodesfest

    Sponsored in part by the FCT approved projects POCTI 32817/99 and POCTI/MAT/37670/2001 in participation with the European Community Fund FEDER and by FCT through Centro de Matemática da Universidade do Porto. Also sponsored in part by FCT, the Faculdade de Ciências da Universidade do Porto, Programa Operacional Ciência, Tecnologia, Inovação do Quadro Comunitário de Apoio III, and by Caixa Geral de Depósitos.

       

       Return to the top of the page