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New posts in conjectures
Conjecture about distribution of certain primes
number-theory
prime-numbers
conjectures
On the inequality $I(q^k)+I(n^2) \leq \frac{3q^{2k} + 2q^k + 1}{q^k (q^k + 1)}$ where $q^k n^2$ is an odd perfect number
upper-lower-bounds
conjectures
divisor-sum
arithmetic-functions
perfect-numbers
If $a+b+c$ divides the product $abc$, then is $(a,b,c)$ a Pythagorean Triple?
geometry
proof-writing
triangles
conjectures
pythagorean-triples
Euler's totient and divisors count function relationship when $[(\frac{\varphi(n)}{2}+1)\cdot(\frac{\tau(n)}{2}+1)] = n$
elementary-number-theory
totient-function
conjectures
multiplicative-function
divisor-counting-function
a conjecture of certain q-continued fractions
number-theory
continued-fractions
conjectures
q-series
Conjectured continued fraction formula for Catalan's constant
sequences-and-series
number-theory
elementary-number-theory
conjectures
continued-fractions
Is $X = (n-1)^n + n$ always composite for $n \geq 4 \in \Bbb Z$?
elementary-number-theory
modular-arithmetic
conjectures
Is this known about $\pi$?
irrational-numbers
pi
conjectures
A Matrix With Eigenvalues Equal to The Golden Ratio and the Golden Conjugate
linear-algebra
abstract-algebra
eigenvalues-eigenvectors
conjectures
golden-ratio
Conjecture $\sum_{m=1}^\infty\frac{y_{n+1,m}y_{n,k}}{[y_{n+1,m}-y_{n,k}]^3}\overset{?}=\frac{n+1}{8}$, where $y_{n,k}=(\text{BesselJZero[n,k]})^2$
sequences-and-series
special-functions
closed-form
bessel-functions
conjectures
Analog of Cramer's conjecture for primes in a residue class
number-theory
prime-numbers
conjectures
prime-gaps
Zhang's theorem and Polignac's conjecture
number-theory
prime-numbers
conjectures
open-problem
prime-twins
Prove that $\lim_{n\rightarrow \infty} \frac{\log_{10}\lfloor\text{Denominator of } H_{10^n}\rfloor+1 }{10^n}=\log_{10} e$
limits
conjectures
open-problem
harmonic-numbers
Integral $\int_0^\infty\Big[\log\left(1+x^2\right)-\psi\left(1+x^2\right)\Big]dx$
integration
definite-integrals
closed-form
conjectures
polygamma
Does the Rogers-Ramanujan continued fraction $R(q)$ satisfy this conjectured infinite series
number-theory
continued-fractions
modular-forms
conjectures
q-series
How to show an infinite number of algebraic numbers $\alpha$ and $\beta$ for $_2F_1\left(\frac14,\frac14;\frac34;-\alpha\right)=\beta\,$?
calculus
definite-integrals
radicals
hypergeometric-function
conjectures
Prove that $\int_0^\infty\left(\arctan \frac1x\right)^2 \mathrm d x = \pi\ln 2$
calculus
integration
improper-integrals
conjectures
experimental-mathematics
how to prove this extended prime number theorem?
number-theory
prime-numbers
analytic-number-theory
conjectures
Big-Daddy-Conjectures and Hierarchy of Mathematical Conjectures
number-theory
big-list
conjectures
Conjecture $\sum_{n=1}^\infty\frac{n^2}{(-1)^n \cosh(\pi n\sqrt{3})-1}=\frac{1}{12\pi^2}$
calculus
sequences-and-series
closed-form
conjectures
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