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Bug #1571

ker_H needs care

Added by Anna Maria Bigatti about 3 years ago. Updated 2 months ago.

Status:
New
Priority:
Normal
Category:
Maths Bugs
Target version:
Start date:
29 Jan 2021
Due date:
% Done:

10%

Estimated time:

Description

The function ker_H is not properly developed/documented.

In particular, there are problems for

ker_H(QuotientingHom(R/ideal(R,[])));
ker_H(QuotientingHom(R/ideal(x^2+1)));
ker_H(InducedHom(R/ideal(x-y),PolyAlgebraHom(R,R/ideal(x-y),"x,y,z")));


Related issues

Related to CoCoALib - Bug #1484: ker bug (quotientinghom for R/ideal())Closed2020-09-14

History

#1 Updated by Anna Maria Bigatti about 3 years ago

  • Related to Bug #1484: ker bug (quotientinghom for R/ideal()) added

#2 Updated by Anna Maria Bigatti about 3 years ago

some verbosity has already been included in the file HomomorphismOps.C

#3 Updated by John Abbott 2 months ago

  • Target version changed from CoCoALib-0.99850 to CoCoALib-0.99880

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