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ag.algebraic-geometrynt.number-theoryreference-requestco.combinatoricsat.algebraic-topologygr.group-theorydg.differential-geometrypr.probabilityfa.functional-analysisrt.representation-theory more tags
5
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1
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104
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Sard's Theorem For Banach Spaces

reference-request dg.differential-geometry fa.functional-analysis ca.analysis-and-odes oc.optimization-control
modified 5 mins ago Francesco Polizzi 28.4k
0
votes
0
answers
3
views

Nonzero partial derivative and injectivity

dg.differential-geometry real-analysis
asked 6 mins ago Student 9
3
votes
1
answer
169
views

Dehn-Sommerville relations for $\Delta$-complexes

reference-request co.combinatorics at.algebraic-topology convex-polytopes triangulations
answered 7 mins ago Francisco Santos 558
0
votes
0
answers
9
views

Non-Trivial Kernel of the Dolbeault--Dirac on a Compact Kahler Manifold

dg.differential-geometry complex-geometry sp.spectral-theory kahler-manifolds laplacian
asked 42 mins ago Andreas Pena 48
4
votes
1
answer
58
views

Kernel of flux homomorphism (Calabi invariant) for volume-preserving maps on a compact manifold

at.algebraic-topology dg.differential-geometry lie-groups infinite-dim-manifolds
modified 1 hour ago Pierre 81
5
votes
4
answers
410
views

Is there a (satisfying) proof that cellular cohomology is isomorphic to simplicial cohomology that doesn't use relative cohomlogy?

ag.algebraic-geometry at.algebraic-topology cohomology derived-category sheaf-cohomology
answered 1 hour ago Russ Woodroofe 1,401
33
votes
3
answers
3k
views

Why could Mertens not prove the prime number theorem?

prime-numbers nt.number-theory
modified 1 hour ago GH from MO 28.2k
4
votes
1
answer
65
views

On a result attributed to W. Ljunggren and T. Nagell

nt.number-theory reference-request diophantine-equations
answered 2 hours ago joro 8,463
4
votes
2
answers
81
views

What is the space for the coefficients of the connection 1-form of a connection in a vector bundle?

dg.differential-geometry vector-bundles connections principal-bundles gauge-theory
answered 3 hours ago Peter Michor 13.9k
58
votes
6
answers
2k
views

Does every polyomino tile R^n for some n?

co.combinatorics tiling combinatorial-geometry discrete-geometry
answered 3 hours ago Francisco Santos 558
14
votes
4
answers
497
views

Fair cake-cutting between groups

reference-request game-theory fair-division
modified 3 hours ago Erel Segal-Halevi 858
0
votes
2
answers
19
views

Collecting sufficient conditions for Sorli's conjecture on odd perfect numbers

nt.number-theory big-list open-problem perfect-numbers
answered 3 hours ago Arnie Dris 271
10
votes
0
answers
130
views
+500

A variation on the local Günther inequality

dg.differential-geometry riemannian-geometry isoperimetry comparison-geometry
modified 4 hours ago Benoît Kloeckner 7,445
2
votes
2
answers
88
views

On successive minima and basis of a lattice

nt.number-theory geometry-of-numbers
answered 4 hours ago WKC 261
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