List questions from analysis

Published on 18 Apr 2026 - 7:43

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$\int_a^b x'(t)dt=x(b)-x(a)$ in Banach space $X$

Published on 15 Apr 2026 - 20:21

92

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Is this function a function of bounded variation?

Published on 11 Apr 2026 - 0:31

269

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How many numbers from given set of digits?

Published on 22 Apr 2026 - 9:40

1.1k

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Is the function argmin continuous?

Published on 09 Apr 2026 - 20:00

38

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Basic Question about absolutely continuous functions

Published on 10 Apr 2026 - 23:02

43

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Trouble with intersection of infinitely many sets

Published on 14 Apr 2026 - 23:41

123

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Convergence to $\operatorname{sgn}(x)$

Published on 14 Apr 2026 - 5:01

79

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Calculate limit of complex function

Published on 12 Apr 2026 - 11:58

1.5k

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Prove that $f (y) \geq f(x) + f'(x)(y-x)$ for all $x, y \in (a,b)$.

Published on 16 Apr 2026 - 14:31

267

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Help in understanding proof of Theorem 1.11 from Rudin's Principles of Mathematical Analysis

Published on 11 Apr 2026 - 15:04

44

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What choices of $c, d$ would make $\int_{x=-\infty}^{x_0} (cx - d) \mathcal{N}(x; \mu, \sigma^2)\,dx $ positive?

Published on 16 Apr 2026 - 2:53

94

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A question on homotopy invariance of the topological degree

Published on 11 Apr 2026 - 14:38

427

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Show that if the restriction f : [0, ∞) → R of f to the interval [0, ∞) is strictly decreasing, then f : R → R is strictly decreasing

Published on 15 Apr 2026 - 3:56

705

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Fourier transform of $t H(t)$

Published on 11 Apr 2026 - 17:57

List Question

Is the following Sum inequality true?

$\int_a^b x'(t)dt=x(b)-x(a)$ in Banach space $X$

Is this function a function of bounded variation?

How many numbers from given set of digits?

Is the function argmin continuous?

Basic Question about absolutely continuous functions

Trouble with intersection of infinitely many sets

Convergence to $\operatorname{sgn}(x)$

Calculate limit of complex function

Prove that $f (y) \geq f(x) + f'(x)(y-x)$ for all $x, y \in (a,b)$.

Help in understanding proof of Theorem 1.11 from Rudin's Principles of Mathematical Analysis

What choices of $c, d$ would make $\int_{x=-\infty}^{x_0} (cx - d) \mathcal{N}(x; \mu, \sigma^2)\,dx $ positive?

A question on homotopy invariance of the topological degree

Show that if the restriction f : [0, ∞) → R of f to the interval [0, ∞) is strictly decreasing, then f : R → R is strictly decreasing

Fourier transform of $t H(t)$

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