discrete mathematics - n-rooks n-colors problem - Mathematics Stack Exchange

The problem goes as follows: $n$ colors are used to color the squares in a $n\times m$ chess board so that each color is used exactly $m$ times. Can you always place $n$ rooks on the board, so that

Mathematics Under The Microscope, PDF, Meme

Programming Challenges

discrete mathematics - Nigerian Math Olympiad Question - Mathematics Stack Exchange

Exposition Joel David Hamkins

combinatorics - Use of rook polynomials - Mathematics Stack Exchange

discrete mathematics - n-rooks n-colors problem - Mathematics Stack Exchange

Index tableau for N = 16, M = 9

Math Research

Vincent PILAUD, Researcher, French National Centre for Scientific Research, Paris, CNRS, LIX, École Polytechnique

PUBLICATIONS Erika Roldan Roa

On partial information retrieval: the unconstrained 100 prisoner problem

Essays – A House Named Anthem

E-Book Discrete Mathematics, PDF, Theorem