An m-linear operator T on a normed vector space V shall be called mult
ipractice if N(T(a(1),...,a(m))) less than or equal to N(a(1)) ... N(a
(m)) for all a(1),...,a(m) is an element of V. N being the given norm.
Similarly, we shall say that T is Jordan-multipractice if [GRAPHICS]
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