Question

A difficulty in the surface integral of $\frac{1}{\sqrt{1-y^4}}$ over a certain surface $S$

score 44 · Answer 1 · 2026-04-14 16:42:40

44

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A difficulty in the surface integral of $\frac{1}{\sqrt{1-y^4}}$ over a certain surface $S$

Published on 14 Apr 2026 - 16:42

score 118 · Answer 2 · 2026-04-14 02:12:30

118

Views

Sum of sides of a quadrilateral and sum of its diagonals

Published on 14 Apr 2026 - 2:12

score 34 · Answer 3 · 2026-05-11 09:28:52

34

Views

Invariance of the Möbius function under order isomorphism

Published on 11 May 2026 - 9:28

score 32 · Answer 4 · 2026-04-13 09:37:16

32

Views

Existence of moments of products of independent random variables

Published on 13 Apr 2026 - 9:37

score 116 · Answer 5 · 2026-04-23 02:19:05

116

Views

Suppose $f_1(x)=\sin(1+\sin(x))$, $f_2(x)=\sin(1+\sin(2+\sin(x)))$ and so on. Does $\lim_{n\to\infty}f_n(x)$ eventually become a constant function?

Published on 23 Apr 2026 - 2:19

score 38 · Answer 6 · 2026-04-14 07:34:26

38

Views

Statistics Problems and Solutions Second Edition 2B.9

Published on 14 Apr 2026 - 7:34

score 98 · Answer 7 · 2026-04-16 00:07:32

98

Views

Show that if $\gcd(m,n)=1$, then $\langle e^{2\pi i/n}\rangle = \langle e^{2\pi im/n}\rangle$

Published on 16 Apr 2026 - 0:07

score 23 · Answer 8 · 2026-04-10 23:50:32

23

Views

How to justify that the product of two functions defined over a closed interval is defined over the closed interval?

Published on 10 Apr 2026 - 23:50

score 33 · Answer 9 · 2026-04-13 10:03:42

33

Views

$H=\oplus_\lambda H_\lambda$ is a Hilbert space?

Published on 13 Apr 2026 - 10:03

score 146 · Answer 10 · 2026-04-16 06:53:14

146

Views

Existence of real symmetric orthogonal matrix

Published on 16 Apr 2026 - 6:53

score 86 · Answer 11 · 2026-04-11 16:40:22

86

Views

Suggestions on improving my proof of a basic equivalence class property?

Published on 11 Apr 2026 - 16:40

score 81 · Answer 12 · 2026-04-14 13:33:55

81

Views

Proof Verification: Dimension of the subset of $2\times3$ matrix with rank at most 1 is 4

Published on 14 Apr 2026 - 13:33

score 83 · Answer 13 · 2026-04-12 04:12:19

83

Views

Strange consistency proof based on countability

Published on 12 Apr 2026 - 4:12

score 178 · Answer 14 · 2026-05-04 20:15:34

178

Views

Hatcher exercise 1.1.13 Solution

Published on 04 May 2026 - 20:15

score 44 · Answer 15 · 2026-04-13 08:22:14

44

Views

Is this proof valid for proving that real numbers that are not "square" rationals have non-rational square roots?

Published on 13 Apr 2026 - 8:22

List Question

A difficulty in the surface integral of $\frac{1}{\sqrt{1-y^4}}$ over a certain surface $S$

Sum of sides of a quadrilateral and sum of its diagonals

Invariance of the Möbius function under order isomorphism

Existence of moments of products of independent random variables

Suppose $f_1(x)=\sin(1+\sin(x))$, $f_2(x)=\sin(1+\sin(2+\sin(x)))$ and so on. Does $\lim_{n\to\infty}f_n(x)$ eventually become a constant function?

Statistics Problems and Solutions Second Edition 2B.9

Show that if $\gcd(m,n)=1$, then $\langle e^{2\pi i/n}\rangle = \langle e^{2\pi im/n}\rangle$

How to justify that the product of two functions defined over a closed interval is defined over the closed interval?

$H=\oplus_\lambda H_\lambda$ is a Hilbert space?

Existence of real symmetric orthogonal matrix

Suggestions on improving my proof of a basic equivalence class property?

Proof Verification: Dimension of the subset of $2\times3$ matrix with rank at most 1 is 4

Strange consistency proof based on countability

Hatcher exercise 1.1.13 Solution

Is this proof valid for proving that real numbers that are not "square" rationals have non-rational square roots?

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