Limits of sequences (8 replies)
Rudin 【Principle of Mathematical Analysis】Notes (5 replies)
Divisibility checking tricks (3 replies)
Inscribed circle centre problem (3 replies)
Nowhere matching permutations on \(\left\{1, \cdots, n\right\}\) (3 replies)
A min problem of the year 2010 (2 replies)
I'm the 1st 初来乍到 (2 replies)
Linear recursion (constent coefficients) 线性递归序列 (2 replies)
Linear Recursion, more complicated (2 replies)
Added MathJax and ASCIIMathML for Math Posts (2 replies)
\( \sum_{n=1}^{\infty} \min(a_n, 1/n)\) (2 replies)
Some arithmetic Identities (1 replies)
Improper Integral (1 replies)
The sum of the squares of the lengths from a point on unit circle to vertices of its inscribed equilateral triangle (1 replies)
Complex numbers and geometry (1 replies)
|
Chinese Remainder Theory (13,468 views)
About Forum Registration (9,525 views)
Linear recursion (constent coefficients) 线性递归序列 (3,315 views)
Find positive integers by the 7/2 rule (3,098 views)
Limits of sequences (1,966 views)
Added MathJax and ASCIIMathML for Math Posts (1,899 views)
A min problem of the year 2010 (1,807 views)
Rudin 【Principle of Mathematical Analysis】Notes (1,704 views)
Analysis: \( \lim_{x \to \infty} \frac{x}{\ln x} \sum_{n=0}^{\infty} \frac{1}{a^n+x}\) (1,702 views)
If \(x,y,z \in \mathbf{N}^+ \), when is \((xy+1)(yz+1)(zx+1) \) a perfect square? (1,593 views)
Properties $(\mod {m})$ (1,370 views)
Divisibility and Perfect Power: \(2\le n,a,b,k=(a^n+b^n)/((ab)^{n-1}+1) \in \mathbb{N} \Rightarrow \sqrt[n]{k} \in \) Z (1,311 views)
Divisibility checking tricks (1,308 views)
an identity of floor function (1,301 views)
Pythagorean triples (1,299 views)
|
Search
Member List
Calendar
Help