Geodesic
Multidimensional leray residues and effective masses of a lattice model
Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 1, pp. 156-160 
S. V. Frolov. Multidimensional leray residues and effective masses of a lattice model. Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 1, pp. 156-160. http://geodesic.mathdoc.fr/item/TMF_1991_89_1_a13/
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     title = {Multidimensional leray residues and effective masses of a~lattice model},
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Voir la notice de l'article provenant de la source Math-Net.Ru

A single-particle model of a multidimensional cubic lattice based on the theory of extensions is considered. For this model, a formula is obtained for the sum of the effective masses by applying multidimensional Leray residues to a certain meromorphic form on the Riemann space of the quasimomentum.

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