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7.7.2.0. inCentralizer
Procedure from library central.lib (see central_lib).

Usage:
inCentralizer(E, S); E poly/list/ideal, S poly/ideal

Return:
integer, 1 if E is in the centralizer(S), 0 otherwise

Purpose:
check whether the elements of E are in the centralizer(S)

Example:
 


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