Mathematics

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Answer a question with score of 1 or more.
Awarded 72561 times.
Representation of Tangent function on unit circle
Awarded 53 mins ago
Confused about the definition of differential privacy
Awarded 3 hours ago
'new' Fourier series expansion for the Bessel function?
Awarded 5 hours ago
Palindromes of Length Less Than or Equal to N
Awarded 6 hours ago
Proving an integral inequality involving Lipschitz functions
Awarded 6 hours ago
Schoof algorithm with division polynomials
Awarded 8 hours ago
Proof Check : What is the probability that a run of $n$ consecutive successes occurs before a run of $m$ consecutive failures?
Awarded 9 hours ago
Why is this proof sufficient for all vectors in the dual space
Awarded 9 hours ago
Verifying Solutions for Quadratic Equations
Awarded 10 hours ago
The value of $\int^{\pi/2}_0 \frac{\log(1+x\sin^2\theta)}{\sin^2\theta}d\theta$
Awarded 11 hours ago
(post deleted or otherwise unavailable)
Awarded 12 hours ago
Why does the cross-correlation of a sine wave with white noise also show harmonic properties?
Awarded 13 hours ago
Can the product of a diagonal and orthogonal matrix always be written as a product of the same orthogonal matrix and a symmetric matrix?
Awarded 14 hours ago
Finding complex number given argument and modulus
Awarded 15 hours ago
Graphing multivariate functions by hand? Impossible?
Awarded 16 hours ago
What proofs are there of this result (on square roots and continued fractions)?
Awarded 17 hours ago
(post deleted or otherwise unavailable)
Awarded 17 hours ago
Almost Sure Convergence for Sample Mean of Bernoullis
Awarded 23 hours ago
Let R be a ring with unit element, R not necessarily commutative, such that the only right-ideals of R are (0) and R. Prove that R is a division ring.
Awarded yesterday
You are dealt a hand of 5 cards from a normal deck of cards. In how many ways could you be dealt at least 4 hearts?
Awarded yesterday
Unsure about how to get intervals for roots for intermediate value theorem
Awarded yesterday
Find $\lim\limits_{x \to \infty} \int_{0}^1 \dfrac{xt^x}{1+t^x}dt$
Awarded yesterday
Decomposition of compact subset of a manifold
Awarded yesterday
Prove that any positive integer greater than or equal to 9 can be written as a sum of the form a + b where a is a multiple of 5 and b is even.
Awarded yesterday
What is the expected value of a probability density function (PDF) itself?
Awarded yesterday
Are nuclear operator between Banach spaces compact?
Awarded yesterday
Counterexample concerning Rudin's definition of open sets in $\mathscr D(\Omega)$
Awarded yesterday
Factorization and the difference of two squares
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Riemannian Fisher-Rao metric and orthogonal parameter space.
Awarded yesterday
Computing gradient for conformal map between unit disk and unit square
Awarded yesterday
How do we derive the composed Dirac Delta function?
Awarded yesterday
On the Origin and Precise Definition of the Term 'Surd'
Awarded yesterday
A modification of a cyclic group that seems to break being a group. What is it?
Awarded yesterday
Problem in Linear Algebra about finding the smallest positive integer?
Awarded yesterday
Logic equivalence question
Awarded yesterday
What does the $\prod$ symbol mean?
Awarded yesterday
Change of 'role' of variables in an ODE
Awarded 2 days ago
A coin is tossed $n$ times. What is the probability of getting odd number of heads?
Awarded 2 days ago
How does the common definition of a function satisfy the precise definition of a function?
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded 2 days ago
What are good resources to learn about convergence spaces?
Awarded 2 days ago
Finding a coprime of a general magnitude.
Awarded 2 days ago
Paracompactness of closed subspaces
Awarded 2 days ago
Prove $a=b$ if $4p^{2a}+4p^b+1$ is a perfect square
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded 2 days ago
The simplest way to pow using only simple arithmetic
Awarded 2 days ago
Trouble understanding difference between the following two results involving the number of terms in the set $\{n: s_n \gt \lim \sup s_n\}$
Awarded 2 days ago
Bacterial growth
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded 2 days ago
Show that For all real numbers $a, b$: If $0 < a < b$, then $\frac{a+b}{3} \in [a, b]$ is false by providing counter example.
Awarded Sep 28 at 4:20
Let $x$ lie on the surface of a sphere centered at the origin. Prove that $(\tau /\kappa) + ( (1/\tau )(1/\kappa)' )' = 0$
Awarded Sep 28 at 1:31
Interval of rational numbers
Awarded Sep 28 at 1:25
Series representation of $1/|x-x'|$ using legendre polynomials
Awarded Sep 28 at 0:47
Solving inequalities with negative square roots
Awarded Sep 28 at 0:27
Lebesgue measure of simplex (support of Dirichlet distribution)
Awarded Sep 27 at 23:18
What is $\mathcal{P}(\mathcal{P}(A))$?
Awarded Sep 27 at 22:05
How to calculate the equation $W_x = x^T A$
Awarded Sep 27 at 20:25
Canonical examples to show that neither $L_p$ or $L_q$ are included in each other?
Awarded Sep 27 at 17:35
Why are coercive functions called coercive, and why is it useful?
Awarded Sep 27 at 13:57
Yes/No If $R$ be a ring with unit such that $a^2=a$ for $a \in R.$ Then$ R=\{0,1\}$
Awarded Sep 27 at 11:08
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