Discrete Mathematics / Algebra

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​​​

In fall 2021, the Discrete Mathematics/Algebra Seminar will meet on Thursdays at 1-2 p.m. The organizers are Novi Bong and Sebastian Cioaba. The seminar will be mostly online and the in-person meetings will be announced on this webpage.​​​

 

 

Quentin Dubroff, Rutgers214Quentin Dubroff, Rutgers<p><span class="wrap-text"><strong>Title:</strong> Linear cover time is exponentially unlikely<br><strong>Abstract:</strong> The cover time of a random walk on a graph G is the first time the walk has visited every vertex of G. A fundamental result of Feige shows that for any (simple, n-vertex) graph, the expected cover time is at least (1+o(1))n log n. Benjamini conjectured that for any fixed C, the probability the random walk covers G in Cn steps is exponentially small. In joint work with Jeff Kahn, we confirm this conjecture. Involved in the proof is a similar statement for Markov chains in which all transition probabilities are sufficiently small relative to C.​</span><br></p>10/21/2021 5:00:00 PM10/21/2021 6:00:00 PM
Bryan Shader, University of Wyoming219Bryan Shader, University of Wyoming10/28/2021 5:00:00 PM10/28/2021 6:00:00 PM
Gabriela Araujo, Universidad Nacional Autónoma de México217Gabriela Araujo, Universidad Nacional Autónoma de México11/4/2021 5:00:00 PM11/4/2021 6:00:00 PM
Li-An Chen, University of Delaware220Li-An Chen, University of Delaware11/11/2021 6:00:00 PM11/11/2021 7:00:00 PM

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