4,742 reputation
11439
bio website
location
age
visits member for 2 years, 9 months
seen 20 hours ago

An expert is a man who has made all the mistakes, which can be made, in a very narrow field. (Niels Bohr)


2d
reviewed Approve suggested edit on Check my proof by contradiction…
2d
reviewed Close Is there any bound on the number of generators of a monomial ideal in C(x,y)?
2d
reviewed Close What is the length of the line joining the mid–points of PQ and RS for this given trapezium $PQRS$?
2d
reviewed Close A subset that is closed under multiplication but not addition?
2d
reviewed Reject suggested edit on Given a Sequence ABCDEFG, what is the probability that the letters A and C , both will come after D, in all possible permutations of the sequence?
2d
revised Banach Fixed Point Theorem. Measurable version.
Add my attempt.
2d
reviewed Reject suggested edit on Given a Sequence ABCDEFG, what is the probability that the letters A and C , both will come after D, in all possible permutations of the sequence?
2d
reviewed Reject suggested edit on Solving $xy''-(1-x)y'+y=0$
2d
revised The problem of the most visited point.
deleted 1 character in body
2d
reviewed Reject suggested edit on how shall i find the $n$-th term of this,
2d
reviewed Edit suggested edit on Matrices over field with characteristic $p$
2d
revised Matrices over field with characteristic $p$
Math mode in title.
2d
reviewed No Action Needed Laws of equivalence needed to prove $\;q \leftrightarrow (¬p ∨ ¬q) ≡ (¬p ∧ q)\;?$
2d
reviewed No Action Needed How do you calculate this sum?
2d
revised Distributional derivate of $f(t)$
deleted 13 characters in body; edited title
Aug
19
comment $ d(x,y)^2 \le d(x,z)^2 - d(y,z)^2\color{}{+\varphi\big(x,y,z,d(x,y),d(y,z) \big)}? $
@900sit-upsaday Thanks for your help. However this article from the article link is not what I seek. I did not know this article. Hopefully he quotes the article or article that is cited by the try. Your information has been very helpful.
Aug
19
revised min-max polynomial approximation with sign definite error
added 35 characters in body
Aug
19
reviewed No Action Needed Do all equilibria in 2 player zero sum games have the same distribution over outcomes
Aug
19
reviewed Reject suggested edit on Prove that the family of open sets in $\mathbb{R}$ has cardinality equal to $2^{\aleph_0}$
Aug
19
reviewed Approve suggested edit on Find $ \lim_{x \to 0^{+}} x^x $