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Sep
13

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E1 119

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Speaker Dan Cranston Virginia Commonwealth University http://www.people.vcu.edu/~dcranston/ Description Let G be a graph with maximum degree Δ ≥3. Brooks' Theorem says that if G has chromatic number Δ...

Sep
4

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E1 102

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Speaker Robert Ellis IIT Applied Math http://math.iit.edu/~rellis/ Description The point of group testing is to reduce the cost of finding defective items in a population by testing pools if items...

May
3

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E1 122

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Description The crossing number of a graph $G$, $\crs(G)$ is the minimum number of intersections among edges over all possible drawings on a plane. The pairwise crossing number $\pcr(G)$ is the...

May
2

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E1 102

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Properly colored copies and rainbow copies of large graphs with small maximum degree Description Counting Independent sets up to tree threshold : We consider the problem of counting a given weighted...

Apr
30

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E1 102

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A Polynomial Approximation to the Matrix Permanent via Markov Chain Monte Carlo. Description Algorithms for the Min-Cut problem : The project will discuss the Min-Cut problem, and introduce some...

Apr
25

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E1 102

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Subgraphs of random graphs with specified degrees Description Improved Bounds on Coloring of Graphs : This paper by Sokol Ndreca, Aldo Procacci, Benedetto Scoppola (2011) has several improvements on...

Apr
23

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E1 102

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Propagation of Information in a Network Description Cardinality of 2 and Higher Distance Sets: This presentation focuses on an improved upper bound on the cardinality of a 2-distance set proved by...

Apr
19

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E1 122

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Description The area of non-adaptive group testing is a well-sought topic in recent years. The general problem is - we have a large set of elements, N which contains some 'special items'. The (sub)set...

Mar
8

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E1 122

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Description Attacker defender games are (two-player) games played on graphs. The player strategies are subsets of the edges or vertices of the graph (for example the defender sends message(s) through...