Spin-structures on real Bott manifolds

A. Gąsior

Let $$M_n\stackrel{\mathbb{R}{P}^1}{\to }{M}_{n-1}\stackrel{\mathbb{R}{P}^1}{\to }\dots \stackrel{\mathbb{R}{P}^1}{\to }{M}_1\stackrel{\mathbb{R}{P}^1}{\to }{M}_0=\{\bullet \}$$ be a sequence of r…