Question

Find all solutions of ${\dot x}^2=1-x^2$ and study their regularity.

score 126 · Answer 1 · 2026-04-17 03:53:32

126

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Find all solutions of ${\dot x}^2=1-x^2$ and study their regularity.

Published on 17 Apr 2026 - 3:53

score 5k · Answer 2 · 2026-04-12 16:00:32

5k

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Infinite Product Expansion of Hyperbolic Functions

Published on 12 Apr 2026 - 16:00

score 141 · Answer 3 · 2026-04-15 07:21:55

141

Views

Arcsin Series : $\sum\limits_{n=1}^{\infty}\Bigl [\frac {\pi}{2} -\arcsin\bigl(\frac{n}{n+1}\bigr)\Bigr]^{\alpha}$

Published on 15 Apr 2026 - 7:21

score 171 · Answer 4 · 2026-04-15 16:31:06

171

Views

Prove that if $a_n<b_n<c_n$ and $\sum a_n$ and $\sum c_n$ are convrgent then $\sum b_n $ converge

Published on 15 Apr 2026 - 16:31

score 320 · Answer 5 · 2026-04-14 22:59:10

320

Views

The trivial metric and convergence

Published on 14 Apr 2026 - 22:59

score 56 · Answer 6 · 2026-04-16 08:27:27

56

Views

Proof that exists a diffeomorphism $g:\Bbb R^3\to\Bbb R^3$, such that $∂(f∘g)/∂x$ $=0$ for any point of $\Bbb R^3$.

Published on 16 Apr 2026 - 8:27

score 248 · Answer 7 · 2026-04-13 18:58:56

248

Views

Perturbation of injective map.

Published on 13 Apr 2026 - 18:58

score 108 · Answer 8 · 2026-04-13 18:13:55

108

Views

Fenchel transform of a indicator function

Published on 13 Apr 2026 - 18:13

score 108 · Answer 9 · 2026-04-22 15:25:24

108

Views

Asymptotic Expansion of an Oscillatory Integral

Published on 22 Apr 2026 - 15:25

score 131 · Answer 10 · 2026-04-17 01:52:20

131

Views

I am using neighborhood balls to define continuity. Are these definitions of pointwise continuous and uniform continuous correct?

Published on 17 Apr 2026 - 1:52

score 750 · Answer 11 · 2026-04-13 15:17:12

750

Views

What's the Fourier transform of the p-Laplacian operator $\Delta_{p}$?

Published on 13 Apr 2026 - 15:17

score 62 · Answer 12 · 2026-04-14 02:15:41

62

Views

Taylor expansion of $x/W(x)$

Published on 14 Apr 2026 - 2:15

score 174 · Answer 13 · 2026-03-25 11:52:54

174

Views

Can we remove the absolute value when doing Diophantine Approximation?

Published on 25 Mar 2026 - 11:52

score 403 · Answer 14 · 2026-04-09 12:58:30

403

Views

Application of implicit function theorem?

Published on 09 Apr 2026 - 12:58

score 54 · Answer 15 · 2026-03-25 08:09:19

54

Views

Solvability conditions for a set of 2 ode's linked by continuity conditions

Published on 25 Mar 2026 - 8:09

List Question

Find all solutions of ${\dot x}^2=1-x^2$ and study their regularity.

Infinite Product Expansion of Hyperbolic Functions

Arcsin Series : $\sum\limits_{n=1}^{\infty}\Bigl [\frac {\pi}{2} -\arcsin\bigl(\frac{n}{n+1}\bigr)\Bigr]^{\alpha}$

Prove that if $a_n<b_n<c_n$ and $\sum a_n$ and $\sum c_n$ are convrgent then $\sum b_n $ converge

The trivial metric and convergence

Proof that exists a diffeomorphism $g:\Bbb R^3\to\Bbb R^3$, such that $∂(f∘g)/∂x$ $=0$ for any point of $\Bbb R^3$.

Perturbation of injective map.

Fenchel transform of a indicator function

Asymptotic Expansion of an Oscillatory Integral

I am using neighborhood balls to define continuity. Are these definitions of pointwise continuous and uniform continuous correct?

What's the Fourier transform of the p-Laplacian operator $\Delta_{p}$?

Taylor expansion of $x/W(x)$

Can we remove the absolute value when doing Diophantine Approximation?

Application of implicit function theorem?

Solvability conditions for a set of 2 ode's linked by continuity conditions

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