Title of article :
Note on Andréʹs reflection principle
Author/Authors :
Nicholas A. Loehr، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
This note generalizes Andréʹs reflection principle to give a new combinatorial proof of a formula for the number of lattice paths lying within certain trapezoids.
Keywords :
Lattice path , Reflection principle
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics
