35,170 reputation
12443
bio website jungenschaft-hohenstaufen.de
location Berlin, Germany
age 33
visits member for 3 years, 3 months
seen Oct 3 at 5:27

Aug
8
reviewed Leave Open Computable Function and Predicate Question
Aug
8
reviewed Reviewed Vectors at the same angle
Aug
8
reviewed No Action Needed How to find the antiderivative of $\frac{1}{x^2(1+x^2)}$?
Aug
8
reviewed Approve suggested edit on How to find the antiderivative of $\frac{1}{x^2(1+x^2)}$?
Aug
8
reviewed No Action Needed Lasso with linear constraints
Aug
8
reviewed Leave Open Set of limit point is a closed set.
Aug
8
reviewed No Action Needed Rotation plane on the sphere (quarternion)
Aug
8
comment Riemann integrability of continuous function defined on closed interval
It's understandable and correct.
Aug
8
answered Spectrum of projection
Aug
8
reviewed No Action Needed Relationship between Archimedean spiral and Theorem of Pythagoras
Aug
8
reviewed Edit Is my textbook wrong ? (Trig identities)
Aug
8
revised Is my textbook wrong ? (Trig identities)
added 61 characters in body
Aug
8
reviewed Looks OK Will the Goldbach's conjecture be a law?
Aug
8
reviewed Leave Open Will the Goldbach's conjecture be a law?
Aug
8
reviewed Close Simple question on connectedness in a subspace
Aug
8
reviewed Reopen Even elements in a cyclic group
Aug
8
comment Find an equivalent to $(p\lor q) \to (p \lor r)$
Any equivalent? How about $(q \lor p) \to (r \lor p)$? Please explain in more detail what you want and what you have done.
Aug
8
revised Find an equivalent to $(p\lor q) \to (p \lor r)$
edited tags
Aug
8
reviewed Close Can we expect to find $r,$ large enough, so, $\sum_{n\in \mathbb Z} \frac{(1+n^{2})^{s}}{1+(n-y)^{r}}\leq C (1+y^{2})^{s} $ for all $y\in \mathbb R$?
Aug
8
reviewed Leave Open How can I find this end, more than one way?