Pedro V. Silva's Annual Report 2014
Year:
2014
Brief description of the research activities:
Generalization of Takahasi's Theorem and Howson's Theorem to subclasses of graphs of groups. Characterizations of strongly hyperbolic geodesic spaces. Hölder conditions for endomorphisms of hyperbolic groups. Fundamental groups of boolean
representable simplicial complexes are free. Takahashi's Theorem in the context of semigroups. Howson's Thorem for semidirect products of groups by semilattices.
External projects:
Groups, Geometry and Dynamics (Universidade Federal da Bahia, Brazil). Chairman: Vítor Araújo. 1/1-1/6/2014.
Preprints:
Articles in international peer reviewed journals :
Papers accepted for publication in peer reviewed journals:
Vítor Araújo, Finiteness results for subgroups of finite extensions, J. Algebra
John Rhodes, Boolean Representations of Simplicial Complexes and Matroids (book), Springer (editor)
Communications in international conferences :
Title:
Fundamental groups of boolean representable simplicial complexes are free
Name of the event:
Workshop on Computational Algebra
Start and end date:
Monday, 21 July, 2014 to Wednesday, 23 July, 2014
Location / City:
Lisbon
Country:
Portugal
Title:
Takahashi's theorem and periodic points of group endomorphisms
Name of the event:
Algebra Workshop 2014 -- 34 years of CAUL
Start and end date:
Wednesday, 19 November, 2014 to Friday, 21 November, 2014
Location / City:
Lisbon
Country:
Portugal
Talks / Seminars / Courses :
Student Mentoring:
Nasim Karimi, A structural approach to the difficulty of reaching the minimum ideal in a finite semigroup, 2014
2015
Work visits:
Universidade Federal da Bahia (Brazil): 1/1-3/6/2014