Answer by Stahl for Snake Lemma on a Square
Complete the square to the following diagram with exact rows:\begin{array}{c}& & R^n\phantom C & \xrightarrow{B} & R^n\phantom A & \to & \operatorname{coker}B & \to & 0...
View Article
Image may be NSFW.
Clik here to view.
Clik here to view.
Snake Lemma on a Square
On a paper I'm reading, the author (Fulton) asks to apply the Snake Lemma to a square diagram:how is that possible? I tried to construct a standard snake lemma diagram starting from this one, but...
View Article
More Pages to Explore .....
