185 citations · 371 across the 28 of their papers we have counts for
Showing 1995 · math.COShow all
3 papers · 2 filters
math.CO1995
Overlapping Pfaffians
Donald E. Knuth
A combinatorial construction proves an identity for the product of the Pfaffian of a skew-symmetric matrix by the Pfaffian of one of its submatrices. Several applications of this i…
math.CO1995
Partitioned tensor products and their spectra
Donald E. Knuth
A pleasant family of graphs defined by Godsil and McKay is shown to have easily computed eigenvalues in many cases.
math.CO1995★ 2 cited
Aztec diamonds, checkerboard graphs, and spanning trees
Donald E. Knuth
This note derives the characteristic polynomial of a graph that represents nonjump moves in a generalized game of checkers. The number of spanning trees is also determined.