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11
Can an integer or rational sequence satisfy some bounded order recurrence $\mod \ $ almost all primes but doesn’t satisfy such in $\mathbb{Q}$? (2)
10
An easy proof of the uncountability of bijections on natural numbers?
10
Cantor’s argument revisited
6
Recurrence Equations for Matrix Determinant
4
Does every symmetric group S_n have a single element of maximal word norm?
2
Subfields joining an algebraic element to another
2
Splitting an evaluated complete graph
2
Can we color Z^+ with n colors such that a, 2a, …, na all have different colors for all a?
1
Condition for existence of certain lattice points on polytopes