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Apr
23
revised Mean ergodic theorem
edited tags
Apr
23
revised Is this proof rigorus?
edited tags
Apr
22
revised Cauchy-Schwarz Inequality - Proof using Quadratic Polynomial [Lay P379 Thm 6.7.16]
edited title
Apr
19
revised Proof for A majorizes B
deleted 2 characters in body; edited tags
Apr
19
revised Invertible iff Bounded below and dense range
edited tags
Apr
17
revised If $xy=x^{-1}y^{-1}$, does this imply $x=x^{-1}$
edited tags
Apr
13
revised Commutativity of two endomorphims
edited title
Apr
6
revised Prove $0! = 1$ from first principles
rolled back to a previous revision
Apr
6
revised Prove $0! = 1$ from first principles
added 1 characters in body
Apr
6
revised Prove Matrix Power for 2x2 matrix using mathematical induction
edited tags
Mar
30
revised $\sup\{(f+g)\}\leq \sup\{f\}+\sup \{g\}$
added 1 characters in body
Mar
26
revised Shorter proof of $R/I$ is a field if and only if $I$ is maximal
added 14 characters in body
Mar
25
revised Are homotopy types of finite CW complexes countable?
added 1 characters in body; edited title
Feb
21
revised Continuity of the derivative
Some very minor spelling corrected.
Feb
20
revised Counting roots of polynomial inside $S^1$
edited tags; edited title
Feb
19
revised A closed ideal in a commutative Banach algebra $C(X)$
FA tag added.
Feb
18
revised Vector fields on $\Bbb S^2$
added 1 characters in body
Feb
18
revised A closed ideal in a commutative Banach algebra $C(X)$
edited title
Feb
12
revised Kelley's proof that projection is an open map
added 5 characters in body
Feb
4
revised Topology - Derived Sets
added 28 characters in body