Colloquium abstracts

Praveen Kumar Roy*
TIFR, Mumbai
May 21, 2020

Seshadri Constant on Surfaces:  Seshadri constant is a tool to study/quantify the positivity of a line bundle on a projective variety. It was defined by Demailly in late 80s to study the Fujita conjecture, but afterwards it arose as an independent area or research with computing and bounding the constant as some of the main topic of research. In this talk we will see some of such results obtained on Hyperelliptic surfaces and on surfaces of general type.