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Sandeep Silwal
  • Member for 8 years, 3 months
  • Last seen more than a week ago
  • Boston, MA
38 votes
5 answers
2k views

Unexpected Proofs Using Generating Functions

19 votes
2 answers
574 views

Sumset that covers $\mathbb{Z}/p\mathbb{Z}$.

16 votes
4 answers
690 views

Applications of Switching Sums and Integrals

13 votes
1 answer
876 views

Families of Polynomials Irreducible in $\mathbb{Z}$ but reducible in $\mathbb{Z}/p\mathbb{Z}$ for all primes $p$.

8 votes
2 answers
7k views

Lambert's Original Proof that $\pi$ is irrational.

8 votes
3 answers
400 views

If a sequence grows too fast, then its harmonic sum cannot be rational

7 votes
1 answer
254 views

Probability that Random Harmonic Type Series Converges

7 votes
2 answers
2k views

Eigenvalues of Symmetric Matrix Plus Diagonal Matrix

7 votes
1 answer
138 views

Special Vertex Partitioning

7 votes
2 answers
261 views

Quantifying how crowded points are in $d$ dimensional cube

7 votes
4 answers
1k views

Finding all primes $(p,q)$ for perfect squares.

6 votes
3 answers
304 views

Evaluating $\int_0^{1/2} \log(1-x) \log(1-2x) \ dx$.

5 votes
1 answer
110 views

Sum of Residues Modulo $p^2$.

5 votes
1 answer
83 views

Help Understanding Step in Proof of Convergence

5 votes
1 answer
177 views

Partitioning Integers into Equal Sets to Guarantee Arithmetic Progression

5 votes
1 answer
1k views

Polynomial with a root modulo every prime but not in $\mathbb{Q}$. [duplicate]

5 votes
3 answers
443 views

Factoring product of two primes from solutions of congruence

4 votes
0 answers
334 views

Finding the sum of the coefficient squared of a polynomial

4 votes
1 answer
82 views

Primes in an Infinite Set

4 votes
2 answers
3k views

Extending 'Guess 2/3 of the Average' Game

3 votes
2 answers
1k views

Discrete Harmonic Function Problem

3 votes
1 answer
475 views

What is the simplest to prove, non-trivial upper bound of prime counting function?

3 votes
0 answers
49 views

Vector Maximizing Numerical Range of Matrix

3 votes
2 answers
356 views

Upper Bound on Expected Value of $n$ i.i.d. Poisson random variables.

3 votes
3 answers
299 views

Existence of $x,y$ Satisfying Diophantine Equation

3 votes
0 answers
233 views

Efficient way to count number of arithmetic progression on coloring of $\mathbb{N}$.

3 votes
1 answer
100 views

Behavior of Two Functions

3 votes
1 answer
134 views

Counting the Number of Points in an Algebraic Variety

2 votes
1 answer
64 views

Convergence of Difference of Sequences

2 votes
0 answers
43 views

When to Stop Rolling and Bail [duplicate]