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pro vyhledávání: '"D. R. L. Brown"'
Autor:
David M. Jackson, D. R. L. Brown
Publikováno v:
Journal of Combinatorial Theory, Series B. 97:430-452
The existence of a non-negative integer-valued invariant, called the Map-Jack invariant, for rooted maps has been conjectured by Goulden and Jackson [I.P. Goulden, D.M. Jackson, Connection coefficients, matchings, maps and combinatorial conjectures f