An automatic presentation is a description of a relational structures using regular languages. Infor
Seminars
Past Seminars
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
Speaker: Alan Cain
(CMUP)
(CMUP)
Sala 0.07 |
Geometry and Topology
We give a notion of stability on the infinite Grassmannian Gr(k((z))^{\oplus r}) by the action of th
Speaker: Ana Cristina Casimiro
Universidade Nova de Lisboa
Universidade Nova de Lisboa
DMP 0.42 |
Algebra, Combinatorics and Number Theory
Results concerning chain conditions in rings or, more generally, modules give information about the
Speaker: Patrick F. Smith (University of Glasgow)
Anfiteatro 0.03 |
Dynamical Systems
Difeomorfismos parcialmente hiperbólicos com abundância de expoentes de Lyapunov positivos na direcç
Tipicamente, a existência de medidas físicas em difeomorfismos parcialmente hiperbólicos depende
Speaker: Carlos Vásquez (PUC Valparaíso, Chile)
Anfiteatro 0.31 (DMA) |
Dynamical Systems
We will first set up the basic terminology of coupled cell networks. We then describe some very rece
Speaker: Nikita Agarwal (Univ. Houston, EUA)
Anfiteatro 0.31 (DMA) |
Dynamical Systems
Neste seminário pretendemos abordar as superfícies de translação e de semi-translação e a sua
Speaker: Maria João Resende (PUC-Rio, Brasil)
Sala 0.31 MA |
General seminar of CMUP
Very basic results and ideas of symplectic topology are presented in the context of symplectic embe
Speaker: Jose Basto-Gonçalves
0.07 |
Geometry and Topology
A double (Lie) groupoid is a groupoid in the category of (Lie) groupoids. A standard example is the
Speaker: Rajan Mehta
Anfiteatro 0.03 |
Dynamical Systems
Geometria das medidas hiperbólicas para atratores parcialmente hiperbólicos e o problema do levantam
Consideramos um conjunto parcialmente hiperbólico K em uma variedade Riemanniana M cujo espaço tan
Speaker: Carla L. Dias (CMUP)
Anf. 003 |
Dynamical Systems
Consideramos uma classe de transformações não uniformemente expansoras definidas numa variedade c
Speaker: Helder Vilarinho (CMUP + UBI)
Anf. 003 |
Dynamical Systems
Given a multimodal interval map f, I will show the existence and uniqueness of the `natural equilibr
Speaker: Mike Todd (CMUP)
DMP, Room 0.04 |
Algebra, Combinatorics and Number Theory
An algebra group is a group of the form G = 1+J where J = J(A) is the Jacobson radical of a finite-d
Speaker: Carlos Andre
DMA FCUP, Anf 0:31 |
Numerical Analysis
Anf. 003 |
Dynamical Systems
We consider the distribution of the maxima along an orbit (or flow trajectory) for certain dynamical
Speaker: Mark Holland (Univ. Surrey, UK)
DMA FCUP, Anf 0:31 |
Numerical Analysis
Speaker: João Matos (PhD student at PDMA - UP Applied Mathematics Doctoral Program)
Anf. 003 |
Dynamical Systems
It is very well known that one can derive rates for the decay of correlations of stationary stochast
Speaker: Jorge M. Freitas (CMUP)
DMA FCUP, Anf 0:31 |
Numerical Analysis
Speaker: Isabel Mendes Pinto (PhD student at PDMA - UP Applied Mathematics Doctoral Program)
Anfiteatro 0.03 |
Dynamical Systems
Introducing a small hole into the phase space of an ergodic dynamical system causes almost every tra
Speaker: Mark Demers (Fairfield University)
sala 0.03 |
Geometry and Topology
A very long-standing problem in Algebraic Geometry is to determine
the stability of exceptional bund
Speaker: Helena Soares
sala 0.31 |
Analysis
The spectral points of a nonhermitian Toeplitz matrix A, with the dimension N are usually highly sen
Speaker: Yusuf Cesur
(Abant zzet Baysal University, Department of Mathematics, Golkoy Bolu, TURKEY)
(Abant zzet Baysal University, Department of Mathematics, Golkoy Bolu, TURKEY)