Hatcher, *Algebraic Topology*, Chapter 2, Section 1

**3. Construct a -complex structure on as a quotient of a -complex structure on having vertices the two vectors of length 1 along each coordinate axis in .**

*Proof.*

Hatcher, *Algebraic Topology*, Chapter 2, Section 1

**3. Construct a -complex structure on as a quotient of a -complex structure on having vertices the two vectors of length 1 along each coordinate axis in .**

*Proof.*

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