Spectral graph and hypergraph theory: connections and applications December 6 to December 10, 2021 American Institute of Mathematics, San Jose, CA Organizers: Sebastian Cioaba, Krystal Guo, and Nikhil Srivastava Description: This workshop, sponsored by AIM and the NSF, will be devoted to spectral graph theory and its extensions to digraphs and hypergraphs. Deadline: October 1, 2021 Details: http://aimath.org/workshops/upcoming/spectralhypergraph