**UM Math Graduate Students Seminar**

Rafael S. González D'León

*University of Miami*

**will present**

**A Cell Structure for Grassmann Manifolds **

Friday, February 17, 2012, 4:00pm

Ungar Building Room 402

**Abstract:**We are going to follow an exposition due to J.W. Milnor of a canonical cell decomposition of the Grassmann manifold due to C. Ehresmann. The main idea is to show that the Grassmannian can be provided with the structure of a CW-complex, how the cells are constructed and give a few examples.

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