User Dark_Knight

23

29

votes

12

answers

5k

views

A good book for beginning Group theory

Feb 23 '16 at 15:48 Gloria 1,643

3

9

votes

4

answers

3k

views

Analyticity of $\overline {f(\bar z)}$ given $f(z)$ is analytic [duplicate]

complex-analysis

Aug 5 '19 at 21:26 Community♦ 1

2

7

votes

2

answers

526

views

Understanding the limit in $\mathbb{Z_p}$

notation algebraic-number-theory p-adic-number-theory

Jun 8 at 11:43 Bernard 163k

5

7

votes

1

answer

3k

views

Intuitive explanation of extended binomial coefficient

combinatorics binomial-coefficients binomial-theorem

Jul 20 '17 at 21:30 Jaideep Khare 18.8k

1

6

votes

2

answers

1k

views

Find stationary distribution for infinite space Markov chain

probability markov-chains

Feb 19 '18 at 15:20 owen88 4,097

7

6

votes

2

answers

2k

views

How to compute one-parameter group and corresponding vector fields

manifolds vector-analysis differential-operators global-analysis

Feb 11 '17 at 20:54 Han de Bruijn 14.8k

4

5

votes

2

answers

977

views

Show that $\mathbb{Q_p} $ is locally compact

general-topology number-theory algebraic-number-theory topological-groups p-adic-number-theory

Feb 28 '18 at 11:46 nowhere dense 2,353

1

5

votes

1

answer

182

views

Prove $\sum x_n < \infty \implies \sum \frac{\sqrt {x_n}}{n} < \infty$ if $x_n \geq 0$ [duplicate]

real-analysis sequences-and-series convergence-divergence

Sep 2 '16 at 12:59 Watson 21.7k

2

4

votes

1

answer

360

views

Show that $\mathbb{B}^n $ is a smooth manifold with its boundary diffeomorphic to $S^{n-1}$

smooth-manifolds

Nov 26 '16 at 11:32 Martín-Blas Pérez Pinilla 38.9k

1

4

votes

1

answer

1k

views

Stopping time in Markov chains

probability-theory markov-chains stopping-times

Dec 21 '15 at 13:17 Community♦ 1

1

3

votes

1

answer

29

views

Show that $b \in N(\mathbb{Q}(\sqrt{a}))$ if and only if $b' \in N(\mathbb{Q}(\sqrt{a}))$

number-theory algebraic-number-theory quadratic-forms

Apr 19 '17 at 5:12 Jyrki Lahtonen 119k

1

3

votes

1

answer

87

views

Find $1$-form $\omega$ on $\mathbb{R^2} - \{ (0,0)\}$

smooth-manifolds differential-forms

Nov 27 '16 at 17:49 Michael Albanese 81k

3

votes

2

answers

74

views

Answer not matching for calculating the value of an integral

complex-analysis proof-verification definite-integrals residue-calculus

Apr 15 '16 at 16:07 Max Gretinski 129

3

votes

1

answer

51

views

How to choose the point at which we want to calculate residue?

complex-analysis definite-integrals residue-calculus

Apr 14 '16 at 4:40 Dark_Knight 1,708

1

2

votes

1

answer

655

views

Show that $\{a \log n \}$ is not equidistributed for any $a$

convergence-divergence fourier-analysis equidistribution

Oct 12 at 11:51 metamorphy 23k

2

votes

1

answer

278

views

Show that the map $A : l^p \rightarrow l^q $ is a bounded linear map

functional-analysis convergence-divergence operator-theory lp-spaces closed-graph

Nov 7 '17 at 12:52 Davide Giraudo 148k

1

2

votes

1

answer

101

views

How to express elements in $\mathbb{Q}_p$

algebraic-number-theory p-adic-number-theory

Feb 18 '17 at 13:09 Dark_Knight 1,708

1

2

votes

1

answer

94

views

Solution of $2x^2 \equiv -21 \space \pmod {79}$ in $\mathbb{Z}_{79}$

algebraic-number-theory p-adic-number-theory

Feb 6 '17 at 12:51 Dark_Knight 1,708

1

2

votes

2

answers

129

views

Show that the equation $ x^2 = 2$ has a solution in $\mathbb Z_7$

algebraic-number-theory

Jan 28 '17 at 13:42 nguyen quang do 12.3k

1

2

votes

2

answers

262

views

Show that $\dim(Z(L)) \leq \dim(L) - 2$

lie-algebras

Jan 22 '17 at 12:34 Dark_Knight 1,708

2

votes

0

answers

122

views

Show that $d(\omega)|_{U} = 0$

smooth-manifolds differential-forms

Nov 28 '16 at 9:20 Dark_Knight 1,708

2

votes

1

answer

450

views

Defining rank of a smooth map in manifolds

definition linear-transformations smooth-manifolds

Sep 23 '16 at 16:57 Community♦ 1

1

2

votes

1

answer

355

views

What does “smoothly compatible” mean?

terminology definition smooth-manifolds

Aug 20 '16 at 11:28 Danu 1,682

2

votes

0

answers

52

views

Evaluate $\int_{0}^{\infty} \frac{\sinh bx}{\sinh ax} dx $

measure-theory lebesgue-integral

Apr 26 '16 at 17:55 Dark_Knight 1,708

2

votes

5

answers

785

views

Meaning of distance between two codes in coding theory

discrete-mathematics coding-theory

Apr 7 '16 at 19:09 Morgan Rodgers 12.6k

1

2

votes

1

answer

2k

views

Expansion of $\cos \sqrt x $?

taylor-expansion

Feb 4 '16 at 12:37 Surb 53.4k

1

vote

1

answer

123

views

Elementary book for Bayesian statistics

statistics reference-request book-recommendation bayesian

Apr 18 at 2:09 statmed 1

1

vote

1

answer

100

views

Relation between Bayesian analysis and Bayesian hierarchical analysis?

statistics statistical-inference bayesian

Mar 26 '20 at 7:11 Gibran Peniche 11

1

vote

2

answers

93

views

Show that there is a subsequence $\{ x_{n_{k}}\}$ such that the sequence $\{ \langle x_{n_{k}},y\rangle\}$ converges

sequences-and-series functional-analysis convergence-divergence hilbert-spaces

Nov 2 '18 at 11:06 Martin Sleziak 52k

1

vote

1

answer

47

views

Problem in defining an event in Gambler's ruin

probability markov-chains gambling

Feb 1 '18 at 6:18 user365239 1,805

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98 Questions

A good book for beginning Group theory

Analyticity of $\overline {f(\bar z)}$ given $f(z)$ is analytic [duplicate]

Understanding the limit in $\mathbb{Z_p}$

Intuitive explanation of extended binomial coefficient

Find stationary distribution for infinite space Markov chain

How to compute one-parameter group and corresponding vector fields

Show that $\mathbb{Q_p} $ is locally compact

Prove $\sum x_n < \infty \implies \sum \frac{\sqrt {x_n}}{n} < \infty$ if $x_n \geq 0$ [duplicate]

Show that $\mathbb{B}^n $ is a smooth manifold with its boundary diffeomorphic to $S^{n-1}$

Stopping time in Markov chains

Show that $b \in N(\mathbb{Q}(\sqrt{a}))$ if and only if $b' \in N(\mathbb{Q}(\sqrt{a}))$

Find $1$-form $\omega$ on $\mathbb{R^2} - \{ (0,0)\}$

Answer not matching for calculating the value of an integral

How to choose the point at which we want to calculate residue?

Show that $\{a \log n \}$ is not equidistributed for any $a$

Show that the map $A : l^p \rightarrow l^q $ is a bounded linear map

How to express elements in $\mathbb{Q}_p$

Solution of $2x^2 \equiv -21 \space \pmod {79}$ in $\mathbb{Z}_{79}$

Show that the equation $ x^2 = 2$ has a solution in $\mathbb Z_7$

Show that $\dim(Z(L)) \leq \dim(L) - 2$

Show that $d(\omega)|_{U} = 0$

Defining rank of a smooth map in manifolds

What does “smoothly compatible” mean?

Evaluate $\int_{0}^{\infty} \frac{\sinh bx}{\sinh ax} dx $

Meaning of distance between two codes in coding theory

Expansion of $\cos \sqrt x $?

Elementary book for Bayesian statistics

Relation between Bayesian analysis and Bayesian hierarchical analysis?

Show that there is a subsequence $\{ x_{n_{k}}\}$ such that the sequence $\{ \langle x_{n_{k}},y\rangle\}$ converges

Problem in defining an event in Gambler's ruin