Question

If $|\nabla F| > 1$ and $|F| \le 1$, is there a zero nearby?

score 63 · Answer 1 · 2026-03-26 21:27:12

63

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If $|\nabla F| > 1$ and $|F| \le 1$, is there a zero nearby?

Published on 26 Mar 2026 - 21:27

score 68 · Answer 2 · 2014-01-12 18:53:26

68

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How do I show that these are the same logical statement?

Published on 12 Jan 2014 - 18:53

score 1.6k · Answer 3 · 2014-01-14 06:35:26

1.6k

Views

Uniform Convergence verification for Sequence of functions - NBHM

Published on 14 Jan 2014 - 6:35

score 1.9k · Answer 4 · 2014-01-20 04:59:39

1.9k

Views

An alternate analysis to the (worst-case) run time of the euclidean algorithm

Published on 20 Jan 2014 - 4:59

score 91 · Answer 5 · 2026-03-25 09:22:16

91

Views

Using an automatic tool for checking geometric conjectures

Published on 25 Mar 2026 - 9:22

score 1.5k · Answer 6 · 2014-01-23 15:45:03

1.5k

Views

How to prove that the inverse of a persymmetric matrix is also persymmetric?

Published on 23 Jan 2014 - 15:45

score 947 · Answer 7 · 2014-01-25 09:08:23

947

Views

Problem with alternate solution -- Equation of plane through point and containing intersection line of two planes [Stewart P $803, 12.5.37$]

Published on 25 Jan 2014 - 9:08

score 1.5k · Answer 8 · 2014-01-31 08:26:30

1.5k

Views

Matrix power series has linearly dependent terms

Published on 31 Jan 2014 - 8:26

score 1k · Answer 9 · 2014-02-01 06:14:20

1k

Views

The Heine-Borel Theorem for the real line

Published on 01 Feb 2014 - 6:14

score 545 · Answer 10 · 2014-02-02 18:07:42

545

Views

How to show that $\lfloor n/1\rfloor+\lfloor n/2 \rfloor+....+\lfloor n/n\rfloor+\lfloor{\sqrt{n}}\rfloor$ is even?

Published on 02 Feb 2014 - 18:07

score 45k · Answer 11 · 2014-02-03 18:15:24

45k

Views

The equation $x^3 + y^3 = z^3$ has no integer solutions - A short proof

Published on 03 Feb 2014 - 18:15

score 1.5k · Answer 12 · 2014-02-05 15:52:30

1.5k

Views

The center of a group with order $p^2$ is not trivial

Published on 05 Feb 2014 - 15:52

score 573 · Answer 13 · 2014-02-06 03:07:24

573

Views

Direct combinatorial proof of a sum identity on formal Lagrange polynomials

Published on 06 Feb 2014 - 3:07

score 204 · Answer 14 · 2026-04-01 01:14:40

204

Views

Proving via axioms, that for given set $A$, $P(P(A))$ exists

Published on 01 Apr 2026 - 1:14

score 2.1k · Answer 15 · 2014-02-06 08:32:59

2.1k

Views

How to complete this proof to show that the metric $d'(x,y) = d(x,y) / (1 + d(x,y))$ gives the same topology as $d(x,y)$ gives?

Published on 06 Feb 2014 - 8:32

List Question

If $|\nabla F| > 1$ and $|F| \le 1$, is there a zero nearby?

How do I show that these are the same logical statement?

Uniform Convergence verification for Sequence of functions - NBHM

An alternate analysis to the (worst-case) run time of the euclidean algorithm

Using an automatic tool for checking geometric conjectures

How to prove that the inverse of a persymmetric matrix is also persymmetric?

Problem with alternate solution -- Equation of plane through point and containing intersection line of two planes [Stewart P $803, 12.5.37$]

Matrix power series has linearly dependent terms

The Heine-Borel Theorem for the real line

How to show that $\lfloor n/1\rfloor+\lfloor n/2 \rfloor+....+\lfloor n/n\rfloor+\lfloor{\sqrt{n}}\rfloor$ is even?

The equation $x^3 + y^3 = z^3$ has no integer solutions - A short proof

The center of a group with order $p^2$ is not trivial

Direct combinatorial proof of a sum identity on formal Lagrange polynomials

Proving via axioms, that for given set $A$, $P(P(A))$ exists

How to complete this proof to show that the metric $d'(x,y) = d(x,y) / (1 + d(x,y))$ gives the same topology as $d(x,y)$ gives?

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