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  IPM > School of Mathematics > IPM-Isfahan
 
  Welcome to the Homepage of IPM-Isfahan
The Isfahan Branch of the School of Mathematics
 

 


Short Course on Mathematical, Philosophical and Computational Logic
(More Info)

   
  Upcoming Lectures in IPM-Isfahan
 

 


▶ Weekly Seminar of Lie Algebra Group:
Reflectable Base for Root System
Mohammad Bagher Soltani
IPM-Isfahan
Wednesday, January 4, 2017 (15 Dey, 1395) 16:00-17:30



 

 

  Recent Lectures in IPM-Isfahan
 

 

▶ Weekly Seminar of Lie Algebra Group:
Hopf Algebras
Abbas Darehgazani
IPM-Isfahan
Wednesday, December 28, 2016 (8 Dey, 1395) 16:00-17:30

▶ Weekly Seminar of Lie Algebra Group:
Affine Group Scheme
Abbas Darehgazani
IPM-Isfahan
Wednesday, December 21, 2016 (1 Dey, 1395) 16:00-17:30

▶ Seminar of the Logic Group:
Propositional Logic; Critical Study (More Info)
Morteza Haj Hosseini
University of Isfahan
Thursday, December 15, 2016 (25 Azar, 1395) at 14:00

▶ Weekly Seminar of Lie Algebra Group:
A Brief Introduction to Kac-Moody Theory II (Kac-Moody Groups)
Amir Farahmand Parsa
IPM-Isfahan
Wednesday, December 14, 2016 (24 Azar, 1395) 16:00-17:30

▶ Short Course on Mathematical, Philosophical and Computational Logic:
An Investigation on Truth Functionality of Logical Constants in Propositional Logic and Their Counterparts in Natural Language
Ali Kalantari
University of Isfahan
Thursday, December 8, 2016 (18 Azar 1395) at 13:30

▶ Weekly Seminar of Lie Algebra Group:
A Brief Introduction to Kac-Moody Theory I (Kac-Moody Algebras)
Amir Farahmand Parsa
IPM-Isfahan
Wednesday, December 07, 2016 (17 Azar, 1395) 16:00-17:30

▶ Weekly Seminar of Lie Algebra Group:
Introduction to Orthogonal Symmetric Lie Algebras
Amir Farahmand Parsa
IPM-Isfahan
Wednesday, November 23, 2016 (3 Azar, 1395) 16:00 - 17:30


▶ Short Course on Mathematical, Philosophical and Computational Logic:
Decision Procedures for Satisfiability and Validity in Propositional Logic (More Info)
Meghdad Ghari
IPM-Isfahan
Thursday, November 24, 2016 (4 Azar, 1395) at 13:30

 

 Applications of ultraproducts of finite structures to combinatorics

  Darío García
 University of Leeds
 
November 3, 2016 (13 Aban 1395) at 11:00-12:00

 

 

 

 

Sparse robust expander sp;p;

  Hong Liu
 University of warwick
 
September 22, 2016 (1 Mehr 1395) at 14:00-15:00

 

 


Abstract: I will present an embedding strategy using a notion of sub-linear expander first introduced by Komlos and Szemeredi. As applications, it settles a conjecture of Mader in 1999 on large clique subdivisions in graphs without 4-cycles.

 

 Sharp bound on the number of maximal sum-free subsets of integers 

  Maryam Sharifzadeh 
 University of warwick
 
September 22, 2016 (1 Mehr 1395) at 11:00-12:00

 

 

 

Gruss type inequalities for positive linear maps

 Mohammad Sal Moslehian
Ferdowsi University of Mashhad
 
September 14, 2016 (24 Shahrivar 1395) at 16:00-17:00

 

 

 

Abstract: The Gruss inequality as a reverse of Chebyshev inequality has been developed by several mathematicians in different contents such as inner product spaces, Hilbert modules, quadrature formulae and linear functionals. In this talk, we investigate several new Gruss type inequalities for positive linear maps on finite or infinite dimensional C*-algebras.

 

 

Symmetries  of partial Latinrectangles via graphs

Rebecca J. Stones

Nankai University, China
July 31, 2016 (10 Mordad 1395) at 16:00-17:00

 

 

 

Abstract: Partial Latin rectangles are matrices without repeated s ymbols in any row or column,  allowing the  possibility of empty  cells . In this talk, we extend the nation of "Latin  square graphs" to  partial Latin rectangles, which  we use to study the symmetry  groups of partial Latin rectangles.

 

 

 Generalized Smoluchowski Equations and Scalar Conservation Laws(Photos)

Fraydoun Rezakhanlou
University of California, Berkeley

July 17, 2016 (27 Tir 1395) at 10:00-11:00

 

 

 

 

Abstract: By a classical result of Bertoin, if initially a solution to Burgers' equation is a Levy process without positive jumps, then this property persists at later times. According to a theorem of Groeneboom, a white noise initial data also leads to a Levy process at positive times. Menon and Srinivasan observed that in both aforementioned results the evolving Levy measure satisfies a Smoluchowski-type equation. They also conjectured that a similar phenomenon would occur if instead of Burgers' equation, we solve a general scalar conservation law with a convex flux function. Though a Levy process may evolve to a Markov process that in most cases is not Levy. The corresponding jump kernel would satisfy a generalized Smoluchowski equation. Along with Dave Kaspar, we show that a variant of this conjecture is true for monotone solutions to scalar conservation laws.

 

 

Geometric graphs and graph limits (Photos)

Mahya Ghandehari
University of Delaware, USA

Jun 16, 2016 (27 Khordad 1395) at 11:00-12:00

 

 

 

 

Abstract: Many real-life networks can be modeled by stochastic processes with a spatial embedding. For example, in a social network, vertices may be considered as members of a social space, where the coordinates represent the interests and background of the users, and the probability of a link occurring between two vertices decreases as their metric distance increases. A fundamental question is to determine whether a given network is compatible with a spatial model. We show how to recognize graph sequences produced by random graph processes that have a natural embedding into the real line, using techniques from the theory of graph limits as pioneered by Lovasz, Szegedy and others. This talk is based on work joint with Huda Chuangpishit, Matt Hurshman, Jeannette Janssen, and Nauzar Kalyaniwalla. 

 

 

Embedding partial Latin squares in Cayley tables

Ian M. Wanless
Monash University (Melbourne, Australia)

Jun 6, 2016 (17 Khordad 1395) at 16:00-17:00

 

 

 

Abstract: Sudoku puzzles are examples of a combinatorial object called a partial latin square (PLS).  In 1974 Denes and Keedwell asked for each n what is the smallest PLS that cannot embed into any group's Cayley table of order n. In 2012 Hirsch and Jackson asked what is the smallest PLS that can be embedded in an infinite group but not into any finite group. We answer both these questions and a couple of related ones.

 

 

On the annihilation of cohomology

Shokrollah Salarian
University of Isfahan and IPM

Jun 2, 2016 (13 Khordad 1395) at 11:00-12:00

 

 

 

 

 

 

 

 

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