Abstract
We give factorizations for weighted spanning tree enumerators of Cartesian products of complete graphs, keeping track of fine weights related to degree sequences and edge directions. Our methods combine Kirchhoff's Matrix-Tree Theorem with the technique of identification of factors.
Original language | English (US) |
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Pages (from-to) | 287-300 |
Number of pages | 14 |
Journal | Journal of Combinatorial Theory. Series A |
Volume | 104 |
Issue number | 2 |
DOIs | |
State | Published - Nov 2003 |
Bibliographical note
Funding Information:$J.L.M. was supported by NSF Postdoctoral F ellowship. V.R. was supported by NSF Grant DMS-9877047. E-mail addresses: [email protected] (J.L. Martin), [email protected] (V. Reiner).
Keywords
- Graph Laplacian
- Matrix-tree theorem
- Spanning tree