Find answers to your questions about MathOverflow or help others by answering their MathOverflow questions.
Consider a family of flabby (= flasque) sheaves $(mathcal F_i)_{iin I}$ of abelian groups on the topological space $X$.My question : is their direct sum sheaf ...
Asked on 11/03/2021
1 answerThe following ratio: $$frac{Gamma(2/5)^3}{piGamma(1/5)}$$ has kept appearing in my research, and the only thing I know about its value is that it is $cong 0.7567213$, whence the following...
Asked on 11/03/2021 by JeCl
1 answerA finitely generated abelian group $A$ is isomorphic to a direct sum of cyclic groups. I am interested in an extension of this result on couples of abelian groups...
Asked on 11/03/2021
2 answerIn their article "On n-Gorenstein rings and Auslander rings of low injective dimension" Fuller and Iwanaga gave a homological characterisation of 2-Gorenstein Nakayama algebras with global dimension at most three,...
Asked on 11/03/2021
1 answerI'm puzzled by the following riddle, which seems easy at first, but turns out to be more complex than it looks. I would like to go to the bottom of...
Asked on 11/03/2021
1 answerMy problem originates from the following classical result, proved, as far as I know, by Grauert and Remmert:Theorem. Let $Y$ be a compact complex manifold, $B subset Y$...
Asked on 11/03/2021
2 answerSuppose I have a smooth Riemannian manifold $X$ with induced distance function $d$, and a bi-Lipschitz (with respect to $d$) homeomorphism$$phi: X to X.$$ Under...
Asked on 11/03/2021 by Rohil Prasad
2 answerQuantum Field Theory is a branch of mathematical physics which is begging for a better understanding.In fact there are no rigorous constructions of interacting QFT in four dimensions. By...
Asked on 11/03/2021
2 answerTwo possibly noncommutative rings are called Morita equivalent if their left-module categories are equivalent. In the commutative case, Morita equivalence is nothing more than ring isomorphism. Otherwise, there are many...
Asked on 11/03/2021
3 answerLet $g:mathbb{T}tomathbb{R}$ and is given as $$g(x) = sumlimits_{etainmathbb{Z}}frac{1}{1+gamma eta^2}cos{2pieta x}$$ Consider the matrix $$G_{gamma} = [g(x_i-x_j)]_{1le i,jle n}$$ where $x_1,x_2,...x_n in (0,1)$ and pairwise distinct....
Asked on 11/03/2021 by Rajesh D
1 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP