# Singular

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Topic review - How to compute the Auslander-Bridger-transpose of a module?
Author Message
 Bernie123
 Post subject: How to compute the Auslander-Bridger-transpose of a module?
 Dear Singular Forum,let R:= S/I be the quotient of a power series ring S by an ideal I and let M be an R-module.Is it possible to compute the Auslander-Bridger-transpose of M with Singular?Using the manual I saw that it is possible to compute Hom_R(M,N), but how can one apply Hom_R(-,R) to the map g with Singular, when given a projective presentation P_1 --g-> P_0 --f-> M ---> 0 of M ?Thanks for the help in advance. Dear Singular Forum,let R:= S/I be the quotient of a power series ring S by an ideal I and let M be an R-module.Is it possible to compute the Auslander-Bridger-transpose of M with Singular?Using the manual I saw that it is possible to compute Hom_R(M,N), but how can one apply Hom_R(-,R) to the map g with Singular, when given a projective presentation P_1 --g-> P_0 --f-> M ---> 0 of M ?Thanks for the help in advance.
 Posted: Fri Aug 25, 2017 9:42 pm

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