Rigidity and flexibility of microstructures November 4 to November 8, 2019 American Institute of Mathematics, San Jose, CA Organizers: Anthony Nixon, Brigitte Servatius, and Meera Sitharam Description: This workshop, sponsored by AIM and the NSF, will be devoted to problems in combinatorial and geometric rigidity theory arising from modeling of microstructures. Deadline: May 4, 2019 Details: http://aimath.org/workshops/upcoming/flexmicro