5,803 reputation
22868
bio website gap-system.org/…
location Germany
age
visits member for 2 years, 4 months
seen 8 hours ago

8h
reviewed Close freedom in choosing a smooth function of compact support
12h
reviewed Close SVD of sum of a symmetric matrix and a banded matrix
12h
reviewed Leave Closed How to prove a certain theorem about algebraic function fields
19h
reviewed Close How to prove a certain theorem about algebraic function fields
19h
reviewed Close embdedding standard models of PA into nonstandard models
1d
reviewed Close Polyhedra containing hexagones only
1d
reviewed Close why the split extension of a quasicyclic $2$-group $C$ by the cyclic group is not finite by abelien
1d
reviewed Close Proof theory and the generalized Riemann hypothesis
1d
reviewed Close Lower boundedness of the Ricci curvature
1d
reviewed Leave Closed In set theory, is there a name for a function which maps the empty set to zero and all the others to one?
1d
reviewed Leave Closed Brocard's problem
1d
reviewed Approve cyclic-homology tag wiki excerpt
1d
reviewed Looks OK Is $\sum_{k=1}^{n} \sin(k^2)$ bounded by a constant $M$?
1d
reviewed Close Some questions about the paper, “Hypercontractivity, Sum-of-squares Proofs and Their Applications”
1d
reviewed Reject A classic cardinal characteristic of the continuum in disguise?
1d
reviewed Leave Closed What is $\int (1-e^{-x})^n dx$?
1d
reviewed Close Set comprehension when the condition is false
1d
reviewed Close Poincare-Lefschetz duality, universal coefficients, and middle cohomology
2d
reviewed Leave Open Arbitrary chains of prime ideals in $R[X]$
2d
reviewed Close probability distribution of balls in an urn