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A field with no underrings of width $0$ but with an underring of width $1$

ac.commutative-algebra fields

answered 5 mins ago Pavel Čoupek 932

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47

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Problem regarding Lebesgue measure in $\mathbb{R}^2$

real-analysis measure-theory lebesgue-measure

modified 7 mins ago Iosif Pinelis 41.1k

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53

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Characterization of metrics such that the volume of balls doesn't depend on their centers?

mg.metric-geometry coding-theory hamming-distance

answered 55 mins ago Piotr Hajlasz 17.7k

0

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11

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Inaccurate results for the analytical expression of $\mathbb{E}\left[ a \mathcal{Q} \left( \sqrt{b } \gamma \right) \right]$

pr.probability probability-distributions integration integral-transforms expectation

asked 1 hour ago Felipe Augusto de Figueiredo 135

4

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102

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Comparison between spinor representations in $\operatorname{SL}(2,\mathbb C)=\operatorname{Spin}(1,3)$ and $\operatorname{Spin}(4)$

dg.differential-geometry rt.representation-theory lie-groups quantum-field-theory spin-geometry

modified 1 hour ago annie marie heart 1,491

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35

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Optimal rule for multiple stopping times for defect finding

stochastic-processes oc.optimization-and-control combinatorial-optimization

modified 2 hours ago Hans 1,807

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57

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Fast way to generate random points in 2D according to a density function

mg.metric-geometry algorithms computational-geometry plane-geometry

modified 2 hours ago Community♦ 1

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16

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Are all negative plurisubharmonic functions on the universal cover of a Fano manifold constant?

ag.algebraic-geometry cv.complex-variables complex-geometry fano-varieties

asked 2 hours ago AmorFati 315

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84

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Does Rademacher's convergent series for p(n) define an analytic function?

cv.complex-variables partitions

modified 2 hours ago Alexandre Eremenko 63.9k

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50

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On a generalization of the Borsuk-Ulam theorem / Tucker's lemma for a map from simplex to its boundary

co.combinatorics gt.geometric-topology simplicial-complexes

modified 2 hours ago Richard Stanley 36.2k

2

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1

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70

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Presentations of $\mathbf{PGL}_3(\mathbb{F}_2)$ by three involutions

gr.group-theory rt.representation-theory linear-algebra finite-groups projective-geometry

modified 2 hours ago David E Speyer 123k

5

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2

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344

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Is it true that $\{x^3-2x+y^3-2y+z^3-2z: x,y,z\in\mathbb Z\}=\mathbb Z$?

nt.number-theory diophantine-equations

modified 2 hours ago Tomita 151

3

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4

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148

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Generalization of independence complex of graphs

co.combinatorics graph-theory discrete-geometry graph-colorings simplicial-complexes

answered 2 hours ago John Machacek 5,992

2

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1

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124

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Does the following function series converge?

real-analysis ca.classical-analysis-and-odes probability-distributions sequences-and-series limits-and-convergence

modified 3 hours ago Ryan Chen 349

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A field with no underrings of width $0$ but with an underring of width $1$

Problem regarding Lebesgue measure in $\mathbb{R}^2$

Characterization of metrics such that the volume of balls doesn't depend on their centers?

Inaccurate results for the analytical expression of $\mathbb{E}\left[ a \mathcal{Q} \left( \sqrt{b } \gamma \right) \right]$

Comparison between spinor representations in $\operatorname{SL}(2,\mathbb C)=\operatorname{Spin}(1,3)$ and $\operatorname{Spin}(4)$

Optimal rule for multiple stopping times for defect finding

Fast way to generate random points in 2D according to a density function

Are all negative plurisubharmonic functions on the universal cover of a Fano manifold constant?

Does Rademacher's convergent series for p(n) define an analytic function?

On a generalization of the Borsuk-Ulam theorem / Tucker's lemma for a map from simplex to its boundary

Presentations of $\mathbf{PGL}_3(\mathbb{F}_2)$ by three involutions

Is it true that $\{x^3-2x+y^3-2y+z^3-2z: x,y,z\in\mathbb Z\}=\mathbb Z$?

Generalization of independence complex of graphs

Does the following function series converge?

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