A talk at IIT Guwahati, March 2019.
Math outreach program at Madras University, October 2019.
` Sanya, China, December 2017
Math-Stat Dept. at University of Calgary, December 2015.
Toric Topology 2014 in Osaka, Osaka City University, Osaka, Japan,.
Toric topology in Himeji, 2011.
Inside L-infinity at ISI Kolkata, December 2008.
