1 citations
2 papers
math.CO2013
Pseudodeterminants and perfect square spanning tree counts
Jeremy L. Martin, Molly Maxwell, Victor Reiner +1
The pseudodeterminant of a square matrix is the last nonzero coefficient in its characteristic polynomial; for a nonsingular matrix, this is just the determinant…
gr-qc2011★ 1 cited
Covariant Derivatives on Null Submanifolds
Don Hickethier, Tevian Dray
The degenerate nature of the metric on null hypersurfaces makes it difficult to define a covariant derivative on null submanifolds. Recent approaches using decomposition to define…