Algebraic Topology July 2016 Uchicago Cobordism 1 (Inna Zakharevich)

http://math.uchicago.edu/~chicagotopology2/
http://math.uchicago.edu/~chicagotopology2/UChicago-summerschool-2016-2.pdf
Cobordism 1 : Definitions, Framed cobordism (Pontryagin 1950