@TechReport{brun-99-3,


author = "Luc {B}run and Walter Kropatsch",
institution ="PRIP, TU Wien",
number = "PRIP-TR-057",
title = "Pyramids with Combinatorial Maps",
year = 1999,
price = "20,-",
theme = {hierarchical},
url = {article:=ftp://www.prip.tuwien.ac.at/pub/publications/trs/tr57.ps.gz},
abstract = "This paper presents a new formalism for irregular pyramids
based on combinatorial maps. This technical report continue the work
began with the TR-54 report. Definition and
properties of Contraction kernels are generalized and completed. The
definition and properties of Equivalent contraction kernels are also
given. ",

 }