New posts in Homotopy Theory

Fundamental group determined by connected components

The exact relationship between Clifford algebras and certain special isomorphic k-algebras

Calculating the extraordinary cohomology of $\mathbb{C}P^n$

Second homotopy group of real Grassmannians $\textrm{Gr}(n,m)$, special case $n=m=2$ not clear.

The circle is not contractible

Compositions of homotopic maps are homotopic

Infinite sequence of distinct spaces, all with same homology

Homotopy-invariance of sheaf cohomology for locally constant sheaves

Homotopy equivalence of a space with the sphere

On the surjectivity of the Hurewicz homomorphism