Question

Sufficient conditions for series to converge in Banach spaces

score 64 · Answer 1 · 2023-05-29 14:57:12

64

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Sufficient conditions for series to converge in Banach spaces

Published on 29 May 2023 - 14:57

score 141 · Answer 2 · 2026-04-01 01:40:47

141

Views

Theorem 6 Corollary 2, Section 1.5 of Hungerford’s Abstract Algebra

Published on 01 Apr 2026 - 1:40

score 228 · Answer 3 · 2026-02-23 02:59:31

228

Views

Find the singular solution of the differential equation $4x(\frac{dy}{dx})^2=(3x-1)^2.$

Published on 23 Feb 2026 - 2:59

score 76 · Answer 4 · 2023-06-10 19:05:45

76

Views

An alternative proof that an ordered square is not path connected

Published on 10 Jun 2023 - 19:05

score 162 · Answer 5 · 2026-03-30 06:44:32

162

Views

Prove fixed point theorem for the reals without using the Intermediate value property?

Published on 30 Mar 2026 - 6:44

score 492 · Answer 6 · 2023-06-11 07:56:24

492

Views

Prove that triangle is right if $s=2R+r$, where $R$, $r$, $s$ are its circumradius, inradius, and semiperimeter

Published on 11 Jun 2023 - 7:56

score 136 · Answer 7 · 2026-04-05 23:19:51

136

Views

$n^6+18n$ is a perfect square if and only if $n=2$

Published on 05 Apr 2026 - 23:19

score 108 · Answer 8 · 2023-06-12 19:36:48

108

Views

Seeking Help for any Alternative Approaches to Find $∠CAD$

Published on 12 Jun 2023 - 19:36

score 1.1k · Answer 9 · 2023-06-14 05:56:59

1.1k

Views

The Radio-1-number of any Path Graph is 1.

Published on 14 Jun 2023 - 8:06

score 67 · Answer 11 · 2023-06-14 12:18:53

67

Views

If $a_1,b_1,a_2,b_2\in\mathbb{N};\ (a_1,b_1)\neq (a_2,b_2),$ show that $\frac{1}{2^{a_1}}+\frac{1}{3^{b_1}}\neq\frac{1}{2^{a_2}}+\frac{1}{3^{b_2}}.$

Published on 14 Jun 2023 - 12:18

score 89 · Answer 12 · 2026-03-31 03:28:04

89

Views

Methods to prove statements with floor (or ceiling) expressions?

Published on 31 Mar 2026 - 3:28

score 110 · Answer 13 · 2023-06-19 19:14:03

110

Views

Question on the regular pentagon and triangle

Published on 19 Jun 2023 - 19:14

score 69 · Answer 14 · 2026-03-28 08:09:26

69

Views

Brezis' exercise 6.9.4: is there a shorter proof that $R(I+S)$ is closed?

Published on 28 Mar 2026 - 8:09

score 43 · Answer 15 · 2023-06-21 11:41:24

43

Views

Is this proof about Algebraic Geometry correct (intersection multiplicity)?

Published on 21 Jun 2023 - 11:41

List Question

Sufficient conditions for series to converge in Banach spaces

Theorem 6 Corollary 2, Section 1.5 of Hungerford’s Abstract Algebra

Find the singular solution of the differential equation $4x(\frac{dy}{dx})^2=(3x-1)^2.$

An alternative proof that an ordered square is not path connected

Prove fixed point theorem for the reals without using the Intermediate value property?

Prove that triangle is right if $s=2R+r$, where $R$, $r$, $s$ are its circumradius, inradius, and semiperimeter

$n^6+18n$ is a perfect square if and only if $n=2$

Seeking Help for any Alternative Approaches to Find $∠CAD$

More direct approach to a combinatorial problem

The Radio-1-number of any Path Graph is 1.

If $a_1,b_1,a_2,b_2\in\mathbb{N};\ (a_1,b_1)\neq (a_2,b_2),$ show that $\frac{1}{2^{a_1}}+\frac{1}{3^{b_1}}\neq\frac{1}{2^{a_2}}+\frac{1}{3^{b_2}}.$

Methods to prove statements with floor (or ceiling) expressions?

Question on the regular pentagon and triangle

Brezis' exercise 6.9.4: is there a shorter proof that $R(I+S)$ is closed?

Is this proof about Algebraic Geometry correct (intersection multiplicity)?

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