MATH
Login Or Sign up

List Question

15
97
Views

Do the effective descent morphisms w.r.t the codomain fibration hint at the "right topology"?

Published on
#category-theory #sheaf-theory #descent #grothendieck-topologies #algebraic-stacks
177
Views

If $f: U \to X$ is an atlas for a stack, and $f$ is an open immersion, is $X$ a scheme?

Published on
#algebraic-geometry #algebraic-stacks
565
Views

Resolution of singularities for stacks

Published on
#algebraic-geometry #algebraic-stacks
151
Views

Lemma B.1.3.2 in Johnstone's Sketches of an Elephant

Published on
#category-theory #homotopy-theory #topos-theory #algebraic-stacks
130
Views

Is being an algebraic space an Etale local property

Published on
#algebraic-geometry #algebraic-stacks
579
Views

Smooth and surjective morphisms of stacks admits local sections

Published on
#algebraic-geometry #algebraic-stacks
197
Views

Structures on Artin stacks and fppf-descent

Published on
#algebraic-geometry #category-theory #algebraic-stacks
132
Views

Is a quiver representation a variety?

Published on
#algebraic-geometry #abelian-varieties #quiver #algebraic-stacks
124
Views

How can I describe the tangent space of this quotient stack, $[\mathbb{P}^5/PGL(3)]$?

Published on
#algebraic-geometry #quotient-spaces #algebraic-stacks #tangent-bundle
70
Views

How can I work out the hopf-algebra action corresponding to a group action on an affine scheme?

Published on
#algebraic-geometry #schemes #hopf-algebras #affine-schemes #algebraic-stacks
2.7k
Views

Good Introduction to Hopf Algebras with Examples

Published on
#reference-request #hopf-algebras #coalgebras #algebraic-stacks
92
Views

Flatness & surjectivity for Group Scheme Morphism

Published on
#algebraic-geometry #group-schemes #algebraic-stacks
65
Views

Categories fibered in groupoids and the slice category

Published on
#category-theory #groupoids #algebraic-stacks #slice-category
210
Views

Definition of stabilizer of a point in a stack

Published on
#algebraic-geometry #sheaf-theory #algebraic-stacks
101
Views

Stackification of finite categories

Published on
#category-theory #topos-theory #algebraic-stacks #topological-stacks

Trending Questions

Popular # Hahtags

second-order-logic numerical-methods puzzle logic probability number-theory winding-number real-analysis integration calculus complex-analysis sequences-and-series proof-writing set-theory functions homotopy-theory elementary-number-theory ordinary-differential-equations circles derivatives game-theory definite-integrals elementary-set-theory limits multivariable-calculus geometry algebraic-number-theory proof-verification partial-derivative algebra-precalculus

Popular Questions

Copyright © 2021 JogjaFile Inc.