MSCS Seminar Calendar

Monday July 28, 2014
pdf * Combinatorics Seminar
c-Sum Flows in Graphs
Professor Saieed Akbari (Sharif University of Technology & IPM)
3:00 PM in SEO 427
Let G be a graph. For a real number c, a c-sum flow of G is an assignment of non-zero real numbers to the edges of G such that the sum of values of all edges incident with each vertex is c. Let k be a natural number. A c-sum k-flow is a c-sum flow whose absolute values from the set {1,...,k}. In this talk, we present known results on c-sum k-flows of graphs and propose several conjectures.
The four-color theorem states that any map in a plane can be colored using four-colors in such a way that regions sharing a common boundary (other than a single point) do not share the same color. Nowhere-zero flows in directed graphs are important because they have nice relations with four color theorem. Here, we provide a bridge between nowhere-zero flows in directed graphs and 0-sum flows in undirected graphs.
Friday August 29, 2014
pdf * Departmental Colloquium
TBA
Douglas Arnold (University of Minnesota)
3:00 PM in SEO 636
Wednesday September 3, 2014
pdf * Statistics Seminar
TBA
Keli Liu (Harvard/Stanford)
4:00 PM in SEO 636
Monday September 8, 2014
pdf * Applied Mathematics Seminar
Modeling tuberculosis, from cells to populations
Leonid Chindelevitch (Harvard School of Public Health)
4:00 PM in SEO 636
Tuberculosis continues to afflict millions of people and causes over a million deaths a year worldwide. Multi-drug resistance is also on the rise, causing concern among public-health experts. This talk will give an overview of my work on modeling tuberculosis at various scales. On the cellular side I will describe models of the metabolism of M. tuberculosis, where insights from duality led to a consistent analysis of existing models, a systematic method for reconciling discrepant models, and the identification of putative drug targets. On the population side I will describe models of strain evolution, where a new metric combined with an optimization-based approach resulted in an accurate classification of complex infections as originating from mutation or mixed infection, as well as the identification of the strains composing these complex infections.
Monday September 15, 2014
pdf * Applied Mathematics Seminar
TBA
David Ambrose (Drexel University)
4:00 PM in SEO 636
Monday September 22, 2014
pdf * Applied Mathematics Seminar
Soft metrics for decision analysis under uncertainty
Michelle Quirk (National Intelligence University and National Geospatial-Intelligence Agency)
4:00 PM in SEO 636
Modern decision making challenges the human capacity to reason in an environment of uncertainty, imprecision, and incompleteness of information. Probability measures are not well-suited when the evidence is scarce and unreliable. Built from fuzzy sets, possibility metrics overcomes some of the restrictions and insufficiencies of probabilities, in a complementary, yet not competitive manner. We show the theoretical foundation and the interdisciplinary approach required to devise soft metrics as attributes of decision criteria that cannot be expressed numerically. This talk concludes with an example of soft metrics used in real-world ranking exercises.
Friday September 26, 2014
pdf * Departmental Colloquium
TBA
Rodrigo Banuelos (Purdue University)
3:00 PM in SEO 636
Monday September 29, 2014
pdf * Applied Mathematics Seminar
TBA
Thomas Chen (University of Texas at Austin)
4:00 PM in SEO 636
Monday October 6, 2014
pdf * Applied Mathematics Seminar
TBA
Phoolan Prasad (Indian Institute of Science, Bangalore)
4:00 PM in SEO 636
Wednesday October 8, 2014
pdf * Algebraic Geometry Seminar
TBA
Jarek Bucynzki (Institute of Mathematics, Polish Academy of Sciences)
4:00 PM in SEO 427
Monday October 13, 2014
pdf * Applied Mathematics Seminar
TBA
Florian Mehats (University of Rennes)
4:00 PM in SEO 636
Wednesday October 15, 2014
pdf * Statistics Seminar
TBA
Mengyu Xu (University of Chicago)
4:00 PM in SEO 636
Friday October 17, 2014
pdf * Departmental Colloquium
TBA
Wilfrid Gangbo (Georgia Tech)
3:00 PM in SEO 636
Monday October 20, 2014
pdf * Applied Mathematics Seminar
TBA
Kasso Okoudjou (University of Maryland)
4:00 PM in SEO 636
Monday October 27, 2014
pdf * Applied Mathematics Seminar
TBA
Rafael Iorio (Instituto Nacional de Matemática Pura e Aplicada)
4:00 PM in SEO 636
Monday November 10, 2014
pdf * Applied Mathematics Seminar
TBA
Natasa Pavlovic (University of Texas at Austin)
4:00 PM in SEO 636
Friday May 1, 2015
pdf * Departmental Colloquium
Atkin Memorial Lecture
Alireza Salehi-Golsefidi (University of California, San Diego )
3:00 PM in TBA
HTML 5 CSS FAE
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