List questions from semialgebraic-geometry

Published on 06 May 2026 - 2:30

59

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Path Minimizing Distances on Semi-Algebraic Surfaces

Published on 26 Mar 2026 - 3:16

214

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The difference between two algebraic sets is not closed?

Published on 26 Mar 2026 - 3:10

24

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Semialgebraic sets with irrational exponents

Published on 26 Mar 2026 - 3:10

213

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Analogue of semialgebraic sets over complex numbers

Published on 26 Mar 2026 - 4:51

96

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Area of semialgebraic set

Published on 10 Apr 2026 - 23:28

213

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What geometry (if any) studies sets defined by infinitely many polynomial inequalities?

Published on 25 Mar 2026 - 17:24

78

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Density of the class of "semialgebraic" sets dense on that one of compact sets

Published on 13 Apr 2026 - 0:56

116

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If $A\subset B$ are definable sets, and $A$ is open in $B$, then there exists a definable open $U$ with $U\cap B=A$

Published on 13 Apr 2026 - 19:58

143

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Semi-algebraic sets

Published on 30 Apr 2026 - 14:42

187

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Can every semi-algebraic set be written as a finite union of disjoint Nash submanifolds?

Published on 25 Mar 2026 - 18:59

247

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Detect if two elliptic cones overlap

Published on 12 Apr 2026 - 0:27

227

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A definable set is definably connected iff it is connected?

Published on 17 Apr 2026 - 9:30

60

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Positive codimension of locus of singular points in semi-algebraic varieties

Published on 15 Apr 2026 - 5:09

108

Views

Why is $\exp(x)$ not definable in any interval in $\Bbb R_{\mathrm{an}}$?

Published on 13 Apr 2026 - 16:23

List Question

A spectrahedron is a quadric cone when matrices in LMI are in $\mathbb{R}^{2\times 2}$

Path Minimizing Distances on Semi-Algebraic Surfaces

The difference between two algebraic sets is not closed?

Semialgebraic sets with irrational exponents

Analogue of semialgebraic sets over complex numbers

Area of semialgebraic set

What geometry (if any) studies sets defined by infinitely many polynomial inequalities?

Density of the class of "semialgebraic" sets dense on that one of compact sets

If $A\subset B$ are definable sets, and $A$ is open in $B$, then there exists a definable open $U$ with $U\cap B=A$

Semi-algebraic sets

Can every semi-algebraic set be written as a finite union of disjoint Nash submanifolds?

Detect if two elliptic cones overlap

A definable set is definably connected iff it is connected?

Positive codimension of locus of singular points in semi-algebraic varieties

Why is $\exp(x)$ not definable in any interval in $\Bbb R_{\mathrm{an}}$?

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