Towards an Homological Generalization of the Direct Summand Theorem

We present a more general (parametric-) homological characterization of the Direct Summand Theorem. Specifically, we state two new conjectures: the Socle-Parameter conjecture (SPC) in its weak and strong forms. We give a proof for the week form by showing that it is equivalent to the Direct Summand...

Full description

Saved in:
Bibliographic Details
Published in:arXiv.org 2017-07
Main Authors: Velez, Juan D, Gomez-Ramirez, Danny A J
Format: Article
Language:English
Subjects:
Homology
Parameters
Theorems
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We present a more general (parametric-) homological characterization of the Direct Summand Theorem. Specifically, we state two new conjectures: the Socle-Parameter conjecture (SPC) in its weak and strong forms. We give a proof for the week form by showing that it is equivalent to the Direct Summand Conjecture (DSC), now known to be true after the work of Y. Andr\'{e}, based on Scholze's theory of perfectoids. Furthermore, we prove the SPC in its strong form for the case when the multiplicity of the parameters is smaller or equal than two. Finally, we present a new proof of the DSC in the equicharacteristic case, based on the techniques thus developed.
ISSN:2331-8422