J. Korean Math. Soc. 2009; 46(4): 785-812
Printed July 1, 2009
https://doi.org/10.4134/JKMS.2009.46.4.785
Copyright © The Korean Mathematical Society.
Dae San Kim and Gil Chun Kim
Sogang University
The notion of weak metric and weak cometric schemes are introduced as a generalization of metric and cometric schemes. They are given as the wreath product of a finite number of symmetric association schemes satisfying certain equivalent conditions which are analogous to the ones for metric or cometric schemes. We characterize those schemes and determine some of their parameters.
Keywords: weak metric scheme, weak cometric scheme
MSC numbers: 05E30, 94B60
© 2022. The Korean Mathematical Society. Powered by INFOrang Co., Ltd