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real-analysiscalculuslinear-algebraprobabilityabstract-algebraintegrationsequences-and-seriescombinatorics极星vpnmatrices more tags
Interesting 61 Bountied Hot 极星vpn Month
1
vote
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modified 5 mins ago AbstractAlgebraLearner 16.8k
2
1
17
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calculus even-and-odd-functions
answered 6 mins ago Mark Viola 148k
0
1
13
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general-topology solution-verification separable-spaces
modified 6 mins ago Brian M. Scott 511k
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1

10
views

vector-spaces
answered 7 mins ago Shamim 1,071
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vote
0
29
views

nonlinear-system 极星vpn
modified 7 mins ago neuronet 290
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vote
2

23

probability probability-distributions
modified 7 mins ago Graham Kemp 103k
1
vote
1
28
views

### Solving the complex equation $(1+z)^5=z^5$

complex-numbers
answered 10 mins ago Toby Mak 8,653
0
1
14
views

### How to get the opposite angle?

geometry angle
answered 11 mins ago ColonelKilroy 1
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0
11
views

### Tests of means and proportions using normal distributions

probability statistics
modified 13 mins ago Rahmat Hidayat 1
1
vote
2
10

### 极星vpn

hensels-lemma
answered 15 mins ago tkf 2,665
0
0
42
views

modified 15 mins ago user1 1,714
1
vote
1
12
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### Find the density of Z

calculus probability probability-theory discrete-mathematics
-1
1
10
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0
0
5
views

### Calculate 𝐿(𝑓,𝑃) L ( f , P ) and 𝑈(𝑓,𝑃) U ( f , P ) for the following:

analysis riemann-integration
asked 19 mins ago Beginner101 1
0
0
8
views

### 极星vpn

linear-algebra solution-verification 极星vpn
asked 19 mins ago 极星vpn 极星vpn
0
3
61
views

### Proof that $\log n! = n \log n - n + O(\log n)$

combinatorics discrete-mathematics 极星vpn
answered 20 mins ago marty cohen 92.2k
0
1
1k

### In how many distinguishable ways can the letters A A B B C C be arranged up to rotation?

combinatorics permutations
modified 22 mins ago Community 1
0
0
52
views

### 收评：两市调整沪指跌0.41% 金融股冲高回落贵州茅台大跌 ...:2021-10-19 · 6日讯 早盘两市微幅高开，盘初大金融板块发力，沪指走高再度收复3000点，但随后银行板块跳水，大盘翻绿，深成指、创业板指呈现横盘态势，午前市场小幅反弹后再度走弱。午后三大股指疲态尽显，震荡下行并集体收

first-order-logic computability philosophy turing-machines provability
modified 23 mins ago Ajax 295
0
0
4
views

### Expectated total waiting time of preemptive proprity queue

probability-theory stochastic-processes queueing-theory
asked 23 mins ago one user 71
1
vote
1
25
views

probability
2
1
43

### 极星vpn

logic set-theory
modified 33 mins ago Joeseph123 149
1
vote
2
34

### 极星vpn

diophantine-equations
answered 35 mins ago Tomita 659
1
vote
2
27
views

### Lifting of a path in covering spaces. Does the lifted path lies in single sheet?

answered 38 mins ago Rivers McForge 971
0
0

5

### pairwise relatively prime pairs

elementary-number-theory gcd-and-lcm
asked 40 mins ago rashed a564 361
0
0
73
views

### Show that $f(x)=f(x_0)+x^{i}\frac{\partial f}{\partial x^i}(x_0)+x^{i}x^{j}h_{ij}(x)$ on a manifold

real-analysis general-topology differential-geometry taylor-expansion riemannian-geometry
modified 极星vpn Sommer_L 51
0
0
8
views

### 极星vpn

notation
asked 43 mins ago Venkataram Sivaram 43
1

1
10
views

### Proof of Inequality: smallest and largest eigenvalue bounds

linear-algebra
answered 46 mins ago paulinho 4,781
1
vote
0
29
views

### Probability that the maximal number of bags has at least one ball

probability combinatorics combinations
modified 47 mins ago mgus 1,231
-1
0
10
views

### How to compute statistical significance?

statistics
modified 50 mins ago user2869180 143
2
0
19

### 极星vpn

asked 极星vpn Descartes Before the Horse 5,347
3
0
21
views

### 环球社评：防火墙带给中国互联网哪些影响 - huanqiu.com:2021-1-28 · 原标题：社评：防火墙带给中国互联网哪些影响 近日由于部分外国VPN服务在中国受到屏蔽，防火墙的事情再次成为焦点。工信部官员昨天就VPN受屏蔽回答记者提问，强调中国发展互联网一定要按照本国法律法规来进行，一些不良信息应该按照中国法律加以管理。

conditional-expectation
modified 54 mins ago Daniele Tampieri 5,062
1

0
30
views

### open box $(0, 1/q)^n$ and closed box $[0, 1/q]^n$ both have measure $1/q^n$.

real-analysis measure-theory
modified 1 hour ago shk910 2,827
1
vote
1
19

### 星辰论坛 - Powered by Discuz!:2021-2-22 · 百人会“我看后疫情时代的全国两 ... 4 天前 王重阳

answered 1 hour ago zkutch 3,370
0
1
22

### formula for positive root of $x + x^2 + x^3 + ((a-b)/a)$ where the constant is negative

answered 1 hour ago Claude Leibovici 极星vpn
14
5

2k
views

1
vote
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15
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### 石建勋：欧美忽悠中国“提速”太自私:2021-7-23 · 未来，中国经济的主要任务是调结构、转方式，实现经济稳定健康的、可持续的、没有水分的、惠及民生的有效增长，这就要牺牲一些增长速度，就需要承受一些经济结构调整和转变增长方式的痛苦。

convex-analysis 极星vpn
0

0
5
views

### 极星vpn

probability stochastic-processes 极星vpn
asked 1 hour ago user11999776 3
0
1
14
views

### Is the intersection of any collection of equational theories itself an equational theory?

universal-algebra
answered 1 hour ago 极星vpn 171k
1
vote
0
15
views

### How to approximate $f(x)=\frac{a_1x^2+a_2x+a_3}{\sqrt{a_4x^2+a_5x+a_6}} + \frac{b_1x^2+b_2x+b_3}{\sqrt{b_4x^2+b_5x+b_6}}$?

functions inequality polynomials approximation rational-functions
0
1
9
views

### If $|g| = k$ then $|g^m| = k /$lcm$(k, m)$

modified 1 hour ago Anurag A 36.5k
0
0
8
views

### In which condition can this stochastic integral normally distributed?

stochastic-integrals
asked 1 hour ago user8281063 13
1
vote
1
64

### Generalization for Fibonacci-like sequences's explicit formula.

linear-algebra sequences-and-series 极星vpn
modified 极星vpn Paul Sinclair 28k
0
0
7
views

### If cumulative probability distributions $(F_n)_n$ converge pointwise to a continuous cdf $F$, then $(F_n)_n$ converges uniformly to $F$.

probability probability-theory probability-distributions 极星vpn
asked 1 hour ago JKEG 2,130
1

1
30
views

### 极星vpn

complex-analysis complex-integration residue-calculus
answered 1 hour ago mjw 3,347
2
2

68
views

### 极星vpn

limits functions derivatives continuity
modified 1 hour ago 311411 369
0
1
12
views

### Negative divergence shows net 'output'

convergence-divergence vector-fields
answered 1 hour ago Ken Hung 314
0
1
33
views

### Value of the Improper Integral $\int_{-\infty}^0 \frac{e^{T/x}}{x^S}dx$

real-analysis calculus integration improper-integrals
answered 1 hour ago John White 21
1
vote
0
7
views

### Let $G$ be a group of order $p^2q$. Show that there is a homomorphism $G\to S_q$ such that $pq$ divides $|\text{Im }\phi|$.

asked 1 hour ago LAGC 153
0
2

26

### 酒店有哪些旅客不知道的秘密？-千龙网·中国首都网:2021-11-11 · 还是要小心为上，先上网看看其他客人的评论再做决定，也切勿只穿着内衣裤就坐在客房的椅子和毛毯上。有的甚至用Lysol防霉消毒剂清洗，或是用刚刚擦完洗手间地面的毛巾来擦，细菌大量滋生。

ordinary-differential-equations partial-differential-equations
modified 极星vpn Noah A. 1
2
2
21
views

### 那些“调皮捣蛋”、对学习“满不在乎”的孩子，可能正期待你 ...:2021-3-13 · 原标题：那些“调皮捣蛋”、对学习“满不在乎”的孩子，可能正期待你这样的引导我经常碰到老师这样跟我说：”你对你学生做的事情或许确实管用，但你是没瞧见过我的学生。我们班各种纪律问题都有，他们把所有的差生都交到了我手里。我不知道怎么得罪这个校长了，反正她今年是跟我对着干 ...

probability solution-verification conditional-probability independence
answered 1 hour ago Graham Kemp 103k
0

1
18
views

### 极星vpn

linear-algebra matrices
2
2
14
views

### 兵器排行_环球兵器_环球网 - huanqiu.com:2021-6-13 · 环球兵器是由环球网推出的专注于诠释武器装备的索引服务。在这里，您可以获得关于水、陆、空、天等任意领域的武器装备的最新知识，以及它们在不同国家、不同年代的生存发展情况；以及在国际战略的大背景下，这些兵器是如何发挥它们自身的价值。

geometry contest-math euclidean-geometry
answered 1 hour ago Donald Splutterwit 31.4k
0
1
17
views

### Isomorphic Sylow p-subgroups of two finite abelian groups G and H

group-theory abelian-groups sylow-theory
answered 1 hour ago user10354138 22.4k
0
0
12

### Ratio of collision of rate between distributions?

combinatorics graph-theory statistical-mechanics
modified 1 hour ago More Anonymous 975
2
1
51
views

### Evaluate $\int_0^1 \frac{\ln{\left(ax^2+2bx+a\right)}}{x^2+1} \; \mathrm{d}x, \;a>b>0$

real-analysis 极星vpn integration complex-analysis
answered 1 hour ago Claude Leibovici 163k
0
1
13
views

### 齐鲁晚报:2021-9-19 · 《齐鲁晚报》（电子版）的一切内容(包括但不限于文字、图片、PDF、图表、标志、标识、商标、版面设计、专栏目录与名称、内容分类标准以及为读者提供的任何信息)仅供齐鲁晚报的报、网、端、微等载体读者阅读、学习研究使用，未经本单位书面授权，任何单位及个人不得将《齐鲁晚报》（电子 ...

answered 1 hour ago user1551 98.8k
1
vote
0
9
views

### Integrability implies subset integrability on Jordan regions?

real-analysis calculus integration measure-theory
asked 1 hour ago learning_linalg 101
1
vote
0

14
views

### Kloosterman sums in $\mathbb{Z}_{(p)}$

abstract-algebra number-theory
asked 2 hours ago Freddie 1,456
0
1

24

### Will the center of one be larger than the center of the other?(center of gravity)

modified 2 hours ago quasi 47.2k
1
vote
0
14

### Asymptotic normality for two-sample t-test

statistics hypothesis-testing
modified 2 hours ago 极星vpn 13.9k
0
0
27
views

### 极星vpn

real-analysis measure-theory taylor-expansion moment-generating-functions trigonometric-series
modified 极星vpn RobPratt 13.9k
0
0
10

### Consistency of MLE for $\theta$ where $f(x \mid \theta) = \frac{2x}{\theta^2}$

modified 2 hours ago RobPratt 13.9k
0

0
19
views

### Can you reflect a point across a closed area?

reflection
modified 2 hours ago ragewithme 11
2
1
19
views

### 极星vpn

real-analysis measure-theory lebesgue-integral lebesgue-measure
answered 2 hours ago zhw. 89.5k
1
vote
1
47
views

### Bosch exercise 1.3.2 on prime structure coordinate ring

algebraic-geometry commutative-algebra
answered 2 hours ago Stahl 极星vpn
12

2
544
views

### 极星vpn

combinatorics discrete-mathematics probability-distributions optimization convex-optimization
modified 2 hours ago Sarah 1,396
4
2
28

### 极星vpn

real-analysis 极星vpn
0
1
33
views

### What class order should I use to study calculus?

answered 2 hours ago Reese 16.6k
3
1
798
views

### COLAMD matrix reordering algorithm

modified 极星vpn Community 1
0

0
31
views

### Is it true that $vol(A) = vol(int(A)) = vol(\overline{A})$?

real-analysis 极星vpn general-topology measure-theory
modified 极星vpn learning_linalg 101
4
1

49
views

### Further interesting examples? Obtaining (co)monoids from dual objects

abstract-algebra category-theory 极星vpn dual-spaces monoidal-categories
answered 2 hours ago 极星vpn 极星vpn
2
1
27
views

### Prime Factorization Proof - Find the unique integer k

proof-writing prime-factorization
answered 2 hours ago John White 21
0
1

23
views

### 极星vpn

combinatorics reference-request
answered 2 hours ago Brian M. Scott 511k
0
0
36
views

### Find a function that maximizes another function

functional-analysis
modified 2 hours ago 极星vpn 1
1

0

24
views

### Can $SU(3)$ be embedded in $SO(4, 2)$?

group-theory lie-groups
modified 2 hours ago runway44 5,315
1

3
46
views

### Cartesian product of two real sets

elementary-set-theory
answered 2 hours ago Reese 16.6k
-1

0
31
views

### 极星vpn

calculus
modified 3 hours ago user1337 8,314
0
1
20
views

### How to use a string in a symbolic expression with SageMath?

sagemath
answered 3 hours ago 极星vpn 1,103
1
vote
0
27
views

### How to read Alain Connes's Noncommutative Geometry

learning quantum-field-theory noncommutative-geometry
asked 3 hours ago rongxzh 11
1
vote
0
27
views

### What's the probability that a non-negative random variable is less than $\infty$

stochastic-processes poisson-process queueing-theory
modified 3 hours ago one user 71
0
0

20
views

### Degree modulo 2

differential-topology smooth-manifolds
asked 3 hours ago Leo 1
2
1
24
views

### 极星vpn

limits linear-transformations
answered 3 hours ago user10354138 22.4k
3

1
839
views

### Does every random variable(continous) has a probability density function?

random-variables
modified 3 hours ago 极星vpn 1
2

0

45
views

### 尿频、尿痛、尿不尽？专家提醒这些泌尿系统疾病真的“拖不得 ...:2021-3-9 · 疫情期间不敢上医院？泌尿外科专家王德林提醒，这些泌尿系统疾病千万“拖不得”！ ①重庆日报报业集团授权华龙网，在互联网上使用、发布、交流集团14报1刊的新闻信息。

abstract-algebra number-theory ring-theory field-theory
modified 3 hours ago OmicronGamma 433
3
0
62
views

### Mean first hitting time of infinite Markov chain in the limit

asked 3 hours ago 极星vpn 9,246
4
1
64

### 金山云边缘计算助力爱奇艺，冲进30毫秒高速区-千龙网·中国 ...:2021-3-13 · 来源标题：金山云边缘计算助力爱奇艺，冲进30毫秒高速区 1. 爱奇艺在金山云部署边缘服务 边缘计算是近期较流行的技术概念，边缘计算其离不开 ...

answered 3 hours ago runway44 5,315
2
0
29
views

### Understanding the Riemann-Hurtwitz Formula of an action $\pi: X \to X/G$

algebraic-curves riemann-surfaces
modified 3 hours ago 极星vpn 85
0
1
32
views

### 极星vpn

real-analysis solution-verification
modified 3 hours ago user1337 极星vpn
9
2

259
views

### 极星vpn

calculus 极星vpn definite-integrals
modified 3 hours ago Random Variable 30.9k
1
vote
0
16

### 极星vpn

expected-value maximum-likelihood
modified 5 hours ago Sangchul Lee 119k
1
vote
1
18
views

### Is the minimal degree of a basis of a kernel of a polynomial matrix bounded by the matrix degree?

linear-algebra abstract-algebra matrices polynomials
answered 5 hours ago Ben Grossmann 166k
0
0
3
views

### Is there existing research suggesting that critical systems' power spectra are correlated with their eigenspectra?

eigenvalues-eigenvectors fourier-transform svd complex-systems
asked 5 hours ago Brian Barry 1
5
1

101
views
+200

### Question about the sheaf of differentials of a fibre

algebraic-geometry tensor-products sheaf-theory schemes localization
1
vote
2
27
views

### A question about finding Lebesgue measure of a specific set I am unable to find

measure-theory lebesgue-measure
modified 6 hours ago Jolly Llama 342
0
1
14

### Real Signal Properties and $\cos(t)$ Fourier coefficients

fourier-series signal-processing
answered 6 hours ago Eric Towers 52k
4