List questions from real-analysis

Published on 15 Apr 2026 - 20:01

187

Views

Elegant form of $\left(\sum_{n=0}^\infty a_n x^n\right)^d$

Published on 25 Mar 2026 - 19:11

67

Views

Is Complement of a Dense Open Subset in R Perfect?

Published on 09 Apr 2026 - 2:48

1.2k

Views

Fourier transform of some tempered distributions

Published on 10 May 2026 - 13:49

218

Views

Proving Rn minus the unit disk is connected

Published on 10 May 2026 - 13:47

522

Views

Suppose $f$ is a real-valued function, with $f(x+y)=f(x)+f(y)$, show that $f$ can be written as $f(x)=\lambda x$

Published on 11 May 2026 - 2:25

44

Views

Existence of smallest $\delta>0$ for a continuous function

Published on 10 May 2026 - 15:08

76

Views

if ${x_n}$ is monotone increasing and bounded, then $\lim_{n\to \infty} x_n$ = sup${x_n:n\in N}$

Published on 16 Apr 2026 - 2:35

176

Views

$C(X)$ with $X$ compact, Total Boundness of a subset implies Uniform boundedness and equicontinuity, looking for example where converse fails.

Published on 16 Apr 2026 - 8:37

40

Views

Decay Properties of a Double Sequence

Published on 11 Apr 2026 - 8:01

42

Views

prove $n_i \ge i$ by induction

Published on 20 Apr 2026 - 6:02

77

Views

Cauchy sequence. Using definition.

Published on 22 Apr 2026 - 11:07

148

Views

What is wrong with this proof of Bolzano Weierstrass?

Published on 09 Apr 2026 - 14:50

247

Views

What is complement of $S$ in $\mathbb{R^3}$

Published on 12 Apr 2026 - 18:56

57

Views

How to show the following gradient equation is true?

Published on 11 May 2026 - 8:32

List Question

Find values of $b$ so that infinite series converges

Elegant form of $\left(\sum_{n=0}^\infty a_n x^n\right)^d$

Is Complement of a Dense Open Subset in R Perfect?

Fourier transform of some tempered distributions

Proving Rn minus the unit disk is connected

Suppose $f$ is a real-valued function, with $f(x+y)=f(x)+f(y)$, show that $f$ can be written as $f(x)=\lambda x$

Existence of smallest $\delta>0$ for a continuous function

if ${x_n}$ is monotone increasing and bounded, then $\lim_{n\to \infty} x_n$ = sup${x_n:n\in N}$

$C(X)$ with $X$ compact, Total Boundness of a subset implies Uniform boundedness and equicontinuity, looking for example where converse fails.

Decay Properties of a Double Sequence

prove $n_i \ge i$ by induction

Cauchy sequence. Using definition.

What is wrong with this proof of Bolzano Weierstrass?

What is complement of $S$ in $\mathbb{R^3}$

How to show the following gradient equation is true?

Trending Questions

Popular # Hahtags

Popular Questions