Title of article :
Counting unrooted loopless planar maps
Author/Authors :
Valery A. Liskovets and Timothy R. Walsh، نويسنده , , Valery A. and Walsh، نويسنده , , Timothy R.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
We present a formula for the number of n-edge unrooted loopless planar maps considered up to orientation-preserving isomorphism. The only sum contained in this formula is over the divisors of n.
Keywords :
Rooted planar maps , Loopless map , Quotient map , Lagrange inversion
Journal title :
European Journal of Combinatorics
Journal title :
European Journal of Combinatorics
