Question

Can the power series for $e^{-|t|}$ be uniformly bounded for $t \in \mathbb{R}$?

score 60 · Answer 1 · 2026-05-11 00:47:16

60

Views

Can the power series for $e^{-|t|}$ be uniformly bounded for $t \in \mathbb{R}$?

Published on 11 May 2026 - 0:47

score 67 · Answer 2 · 2026-04-18 02:43:33

67

Views

Sequence and two limits to calculate

Published on 18 Apr 2026 - 2:43

score 50 · Answer 3 · 2026-05-14 07:42:23

50

Views

Use boundedness & continuity to show the sequence is uniformly convergent

Published on 14 May 2026 - 7:42

score 216 · Answer 4 · 2026-04-09 09:01:03

216

Views

Relationship with uniformly continuous function and its derivative.

Published on 09 Apr 2026 - 9:01

score 88 · Answer 5 · 2026-05-10 13:50:56

88

Views

Show $f'(x) = 0$ almost everywhere for $f(x) = \sum_{q_i < x} \frac{1}{2^i}$ over $(0,1)$ where $q$ is an enumeration of rational numbers.

Published on 10 May 2026 - 13:50

score 166 · Answer 6 · 2026-05-11 05:22:17

166

Views

How to expand an integral of a function as a function of integrals?

Published on 11 May 2026 - 5:22

score 36 · Answer 7 · 2026-04-15 04:15:11

36

Views

Extrema of a funcion of $x$ depending on $n$.

Published on 15 Apr 2026 - 4:15

score 591 · Answer 8 · 2026-04-13 16:27:27

591

Views

Must convergent sequence of polynomials have bounded coefficients?

Published on 13 Apr 2026 - 16:27

score 120 · Answer 9 · 2026-05-07 18:54:38

120

Views

Divergence of $\sum_{n=1}^\infty\frac{\mu(n)}{\sqrt{n}}\cos\left(n^2 \pi \gamma\right)$, where $\gamma$ is the Euler-Mascheroni constant

Published on 07 May 2026 - 18:54

score 114 · Answer 10 · 2026-05-14 11:40:21

114

Views

precompactness of integral of functions in $C^1[a,b]$

Published on 14 May 2026 - 11:40

score 208 · Answer 11 · 2026-05-04 04:34:38

208

Views

Density limits and sets with positive lower density

Published on 04 May 2026 - 4:34

score 55 · Answer 12 · 2026-04-17 10:29:40

55

Views

Find minimum or lower bound of $f(x)=\int_{B(0,R)}\log(\frac{|x-y|}{|x-\frac{R^2}{||y||^2}y|})dy$

Published on 17 Apr 2026 - 10:29

score 229 · Answer 13 · 2026-05-11 03:12:43

229

Views

Why is this unbounded operator self-adjoint?

Published on 11 May 2026 - 3:12

score 96 · Answer 14 · 2026-04-12 20:46:50

96

Views

Function value change with constrained arguments

Published on 12 Apr 2026 - 20:46

score 610 · Answer 15 · 2026-04-16 09:38:31

610

Views

Show that $x \cdot f(x)$ is convex

Published on 16 Apr 2026 - 9:38

List Question

Can the power series for $e^{-|t|}$ be uniformly bounded for $t \in \mathbb{R}$?

Sequence and two limits to calculate

Use boundedness & continuity to show the sequence is uniformly convergent

Relationship with uniformly continuous function and its derivative.

Show $f'(x) = 0$ almost everywhere for $f(x) = \sum_{q_i < x} \frac{1}{2^i}$ over $(0,1)$ where $q$ is an enumeration of rational numbers.

How to expand an integral of a function as a function of integrals?

Extrema of a funcion of $x$ depending on $n$.

Must convergent sequence of polynomials have bounded coefficients?

Divergence of $\sum_{n=1}^\infty\frac{\mu(n)}{\sqrt{n}}\cos\left(n^2 \pi \gamma\right)$, where $\gamma$ is the Euler-Mascheroni constant

precompactness of integral of functions in $C^1[a,b]$

Density limits and sets with positive lower density

Find minimum or lower bound of $f(x)=\int_{B(0,R)}\log(\frac{|x-y|}{|x-\frac{R^2}{||y||^2}y|})dy$

Why is this unbounded operator self-adjoint?

Function value change with constrained arguments

Show that $x \cdot f(x)$ is convex

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