New posts in discrete-mathematics

understand what ∪n∈NUn = (0, 2) ⊃ (0, 1] means [closed]

Proving that in a Group the inverse of the inverse of an element is the element itself

Cut vertices and cut edges - did I answer these correctly?

Could anyone explain Big O versus Big Omega vs Big Theta? [duplicate]

Number of ways to arrange objects in a circle, some of which may be identical

Is an reflexive relation also antisymetric?

representing anti-simmetric relations with directed graphs

Is there a graph with all vertices having degree 3 or greater that doesn't have a hamiltonian path?

Adapted Towers of Hanoi from Concrete Mathematics - number of arrangements

Number of possible solutions for an equation

Sufficiently large integers can be partitioned into squares of distinct integers whose reciprocals sum to 1.

Picking balls from urns.

Bijection = bijection + bijection on symmetric integer intervals

Confusion related to curse of dimensionality in k nearest neighbor

Prove that trees have at least two vertices of degree one

What is the probability that $\pi(x) + x$ is injective?

Recurrence formula for division of a sphere by n great circles

Prove that a perfect square is either a multiple of $4$ or of the form $4q+1$.

Recurrent Relation Problem

combinatorial proof of summation