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Elden Elmanto

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20 Questions

Votes Activity Newest Views

votes

answers

291

views

Andre-Quillen Homology of the cuspidal curve $k[x,y]/(x^2 - y^3)$

Dec 3 '14 at 7:23 Hanno 17.1k

votes

answer

352

views

Tate Circles in Motivic Homotopy Theory

algebraic-geometry homotopy-theory

Oct 27 '13 at 16:41 Elden Elmanto 1,014

votes

answers

231

views

Showing that a certain map is not flat by explicit counterexample [duplicate]

commutative-algebra flatness

May 16 '16 at 19:06 Community♦ 1

votes

answers

views

If $S$ and $T$ are commuting, normal operators, then $ST$ is normal

linear-algebra spectral-theory

Jul 25 at 8:06 Community♦ 1

votes

answer

views

Is there a definition of the transfer homomorphism (between cohomology of cover and base) without referring to chains?

algebraic-topology homotopy-theory

Aug 15 '18 at 13:07 aasfdsadfdf 1

votes

answer

458

views

SGA 4.5 proof of Hilbert 90 and semilinear Galois action

algebraic-geometry descent etale-cohomology

Jan 29 '14 at 2:04 Matt E 113k

votes

answers

274

views

Generic Points to the Italians

algebraic-geometry soft-question math-history

Nov 11 '13 at 15:02 Elden Elmanto 1,014

votes

answer

344

views

$K$-Theory of $BU(n)$

reference-request algebraic-topology topological-k-theory

Nov 3 '13 at 4:37 Elden Elmanto 1,014

votes

answers

views

$\pi_0$ of $M(2) \wedge M(2)$

algebraic-topology homotopy-theory stable-homotopy-theory

Jul 11 '14 at 19:50 Community♦ 1

votes

answers

views

Conditions for equivalence of $A$-modules, given equivalence of $B$-modules for $B$ a subalgebra of $A$.

representation-theory modules

Jul 12 '12 at 15:36 Elden Elmanto 1,014

votes

answer

744

views

Graded and Filtered Algebras

abstract-algebra graded-rings quantum-groups filtrations

Dec 1 '18 at 10:55 user26857 42.8k

votes

answers

views

Radicial Morphism over DVR's

algebraic-geometry

Sep 2 '15 at 23:15 Elden Elmanto 1,014

votes

answers

views

Étale Fundamental group for $\mathbb{A}^n$ (prime to $p$-part)

algebraic-geometry fundamental-groups

Apr 5 '15 at 14:33 Siminore 32.8k

votes

answer

185

views

Refining homotopy commutative maps of spectra to maps of E_{\infty}-ring spectra

algebraic-topology stable-homotopy-theory

Jul 22 '14 at 11:43 Drew 693

votes

answer

462

views

Computation of the hom-set of a comodule over a coalgebra: $Ext_{E(x)}(k, E(x)) = P(y)$.

homotopy-theory exterior-algebra derived-functors hopf-algebras coalgebras

Apr 20 '13 at 14:15 Elden Elmanto 1,014

vote

answers

376

views

Finding the number of spanning trees of a given weight

combinatorics graph-theory trees

Jul 2 '18 at 20:49 chyle 238

vote

answers

views

Presentation for Kernel of Induction map from $\oplus R(H)$ to $R(G)$

representation-theory

Jul 19 '14 at 19:24 Elden Elmanto 1,014

vote

answer

135

views

Basic Manipulation of Adams operations in R(G)

representation-theory symmetric-polynomials

Jul 18 '14 at 16:02 user160609 1,457

vote

answer

839

views

Relating ramification index of a map of curves to degree of vanishing

algebraic-geometry elliptic-curves

Jul 13 '14 at 23:43 Alex Youcis 44.8k

vote

answer

138

views

Uniqueness of R-matrix

quantum-groups

Jan 15 '13 at 18:51 superdog 26

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20 Questions

Andre-Quillen Homology of the cuspidal curve $k[x,y]/(x^2 - y^3)$

Tate Circles in Motivic Homotopy Theory

Showing that a certain map is not flat by explicit counterexample [duplicate]

If $S$ and $T$ are commuting, normal operators, then $ST$ is normal

Is there a definition of the transfer homomorphism (between cohomology of cover and base) without referring to chains?

SGA 4.5 proof of Hilbert 90 and semilinear Galois action

Generic Points to the Italians

$K$-Theory of $BU(n)$

$\pi_0$ of $M(2) \wedge M(2)$

Conditions for equivalence of $A$-modules, given equivalence of $B$-modules for $B$ a subalgebra of $A$.

Graded and Filtered Algebras

Radicial Morphism over DVR's

Étale Fundamental group for $\mathbb{A}^n$ (prime to $p$-part)

Refining homotopy commutative maps of spectra to maps of E_{\infty}-ring spectra

Computation of the hom-set of a comodule over a coalgebra: $Ext_{E(x)}(k, E(x)) = P(y)$.

Finding the number of spanning trees of a given weight

Presentation for Kernel of Induction map from $\oplus R(H)$ to $R(G)$

Basic Manipulation of Adams operations in R(G)

Relating ramification index of a map of curves to degree of vanishing

Uniqueness of R-matrix