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Pandamonium
  • Member for 7 years, 11 months
  • Last seen more than 6 years ago
10 votes
2 answers
23k views

Can we find the GCD of a positive and negative number?

7 votes
4 answers
5k views

How to calculate the number of automorphisms of a given graph?

4 votes
3 answers
3k views

Supremum of a set of irrational numbers

4 votes
2 answers
668 views

Convolution identity involving the Möbius function $\sum_{d|n,d>0} |\mu(d)| = 2^{\omega(n)}$

3 votes
0 answers
59 views

Finding a formula for a given series. [duplicate]

2 votes
4 answers
63 views

Discrete mathematics subsets

2 votes
4 answers
65 views

Simplifying/solving a logarithm $\log_24^{2n}$

2 votes
2 answers
175 views

Real Analysis - Supremums

2 votes
0 answers
49 views

Evaluating equivalence between congruence mod k and congruence mod j

2 votes
1 answer
2k views

Proving an equivalence relation(specifically transitivity)

2 votes
2 answers
672 views

Supremum and Infimum using Archemedian Property

2 votes
1 answer
623 views

Supremum and infimum of an inequality

2 votes
3 answers
276 views

Proof that if $\gcd(a,b) = 1$ and $a\mid n$ and $b\mid n$, $ab \mid n$

2 votes
1 answer
68 views

Proof dealing with Quadratic Residues

2 votes
1 answer
1k views

Determining prime numbers p which satisfy quadratic residues modulo p

2 votes
2 answers
501 views

Proving expressibility of integers as the difference of two squares.

2 votes
1 answer
135 views

Using the definition of the limit of a sequence

1 vote
2 answers
182 views

Determining the functions in order to apply the squeeze theorem on a sequence

1 vote
1 answer
299 views

Every 3-connected graph has a cycle C such that G-V(C) is connected

1 vote
0 answers
41 views

How to determine whether or not $S_{n}$ contains a subgroup of order $m$

1 vote
1 answer
448 views

Applying the monotone convergence theorem

1 vote
1 answer
95 views

Proof on the Legendre Symbol

1 vote
2 answers
121 views

Different formulations of the Law of Quadratic Reciprocity

1 vote
0 answers
37 views

How to go about proving non enumerability.

1 vote
1 answer
201 views

Proof involving primitive Pythagorean triples

1 vote
2 answers
42 views

Proof dealing with greatest common divisors

1 vote
0 answers
217 views

Supremum and Infimum of sequences

1 vote
2 answers
185 views

Using Wilson's Theorem

1 vote
1 answer
431 views

Mersenne primes and superperfect numbers

1 vote
1 answer
238 views

Proof of Satisfiability