# Questions tagged [elementary-proofs]

For questions related to 'elementary' proofs in a technical sense, which has nothing to do with the difficulty of the argument or result. A typical example would be 'elementary' proofs of the Prime Number Theorem, which avoid complex analysis. The tag is however not limited to this particular notion of 'elementary.'

**4**

**2**answers

### Is the following recursion formula for $\zeta(2n)$ known?

**10**

**2**answers

### Sum of squared nearest-neighbor distances between points in a square

**21**

**15**answers

### Geodesics on the sphere

**6**

**2**answers

### How often does the Mertens function vanish?

**7**

**4**answers

### Different derivations of the value of $\prod_{0\leq j<k<n}(\eta^k-\eta^j)$

**2**

**2**answers

### Prove that there exists a nonempty subset $ I$ of $ \{1,2,…,n\}$ such that $ \sum_{i\in I}{\frac {1}{b_i}}$ is an integer

**9**

**2**answers

### Certain matrices of interesting determinant

**21**

**2**answers

### A Putnam problem with a twist

**0**

**0**answers

### Relation between primeness, coprimeness, totient, and gcd function

**1**

**0**answers

### Supremum of an almost surely continuous random process

**10**

**1**answer

### A set of prime numbers

**2**

**1**answer

### On submatrices: size bound

**2**

**1**answer

### Vandermonde determinant: modulo

**3**

**1**answer

### Generating function for 3 -core partitions: Part II

**8**

**1**answer