DoubleTorusCover

Författare/Upphovsman:

RobHar

Kreditera:

Own work using POV-Ray and Inkscape. Based on a drawing by User:GeometryGirl (public domain)

Kort länk:

https://www.sewiki.info/b/429f8

Källa:

Wikimedia Commons

Upplösning:

776 x 713 Pixel (215008 Bytes)

Beskrivning:

Illustration of the boundary map ∂_* for the Mayer-Vietoris sequence on the double-torus where the 1-cycle x = u + v is the sum of two 1-chains whose boundary lies in the intersection of A and B.

Licens:

Public domain