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visits member for 2 years, 8 months
seen Dec 4 at 15:30

Nov
27
asked Show that $\operatorname{Hom}(S(-d),S)\cong S(d)$ where $S$ is polynomial ring?
Nov
26
answered Cohomology groups of coherent sheaves for very small and very big twists.
Nov
23
asked Cohomology groups of coherent sheaves for very small and very big twists.
Nov
21
asked Question about Tate resolution and cohomology groups of nonzero coherent sheaves.
Jan
14
asked The Existence of Pure Resolutions, Given a Degree Sequence?
Jan
5
asked Question about closed subsets of a root system of a vector space?
Dec
7
asked Contructing elements of a partially ordered set of increasing integer sequences?
Nov
18
asked Minimization of $log_{a}(bc)+log_{b}(ac)+log_{c}(ab)$?
Nov
13
asked Question about sheaves on projective varieties.
Sep
14
asked Using Janet Basis to solve a nonlinear polynomial system
Jul
2
asked Factorisation of $x^{4}-x^{2}+2x+1$ in $\mathbb Q[x]$?
Jun
18
asked How many irreducible factors of grade $6$ there is in $\mathbb{F}_{2}\left[ x\right]$?
Jun
11
asked If I have the presentation of a group, how can I find the commutator subgroup of it?
Jun
4
answered formulate this scheduling problem as linear programming problem
Jun
3
asked formulate this scheduling problem as linear programming problem
Apr
27
asked Finding the smallest integer $n$ such that $1+1/2+1/3+…+1/n≥9$?
Feb
24
asked Fundamental group of the Klein bottle, using action of a group?
Oct
20
asked If the action of a group $G$ on $\mathbb{R}$ is properly discontinuous then G is isomorph to $\mathbb{Z}$?
Oct
18
asked G is a topological group acts on topological space $X$, is $f_{g}:X\rightarrow X, x\rightarrow g*x$ continuous?
Oct
18
asked $G$ finite group acts freely on top. sp. $X$, can we find for every $x\in X$ an open neighborhood such that: