Minors of a skew symmetric matrix: A combinatorial approach
arXiv:2007.15118
Abstract
We use Knuth's combinatorial approach to Pfaffians to reprove and clarify a century-old formula, due to Brill. It expresses arbitrary minors of a skew symmetric matrix in terms of Pfaffians.
arXiv commentFinal version, to appear in Electron. J. Linear Algebra; 6 pp