Title:Infinite graphs associated with surfaces and their significance
Speaker: Kashyap Rajeevsarathy (Dept of Mathematics, IISER Bhopal)
Details :Thu, Dec 11, 2025 2:30 PM, @ Turing Hall (SSB 334)
 
Abstract:There are several infinite graphs associated with surfaces that combinatorially encode the simple closed curves on them. These graphs play a central role in the study of symmetries, topology, and the geometry of surfaces. In this talk, we will introduce one such graph, namely the curve graph, and some of its derivative graphs. We will discuss some basic properties of these graphs and their importance in the field of geometric topology.

Speaker Bio: Dr. Kashyap Rajeevsarathy is a Professor and the Head of the Department of Mathematics at the Indian Institute of Science Education and Research (IISER) in Bhopal. He specializes in geometric topology, focusing on the mapping class groups of surfaces, while also having a secondary interest in algebraic graph theory. He earned his Bachelors degree in mathematics from Vivekananda College in Chennai before pursuing his Masters degree at IIT Madras. He completed his Ph.D. in Mathematics at the University of Oklahoma in 2011, under the supervision of Professor Darryl McCullough. After completing his doctorate, he joined IISER Bhopal. He was awarded the Ramanujan National Fellowship from the Department of Science and Technology in 2011.