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Using the disjoint union

,
the notation becomes simpler.7
Footnotes
- ... simpler.7
-
The norms on the matrix levels
are then one mapping
.
The amplifications of
can be described as one mapping
. We have

.
is completely isometric if
for all
, and
is a complete quotient mapping if
for all
or
, where
.
Prof. Gerd Wittstock
2001-01-07