Signature defect
id:
signature-defect-253-14713375
title:
Signature defect
text:
In mathematics, the signature defect of a singularity measures the correction that a singularity contributes to the signature theorem.
Hirzebruch (1973) introduced the signature defect for the cusp singularities of Hilbert modular surfaces.
Michael Francis Atiyah, H. Donnelly, and I. M. Singer (1983)
defined the signature defect of the boundary of a manifold as the eta invariant, the value as s = 0 of their eta function, and used this to show that Hirzebruch's signature defect of a cusp of a Hil
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Signature_defect
date created:
date modified:
2021-03-16T01:10:18Z
main entity:
{"identifier":"Q7512837","url":"https://www.wikidata.org/entity/Q7512837"}
image:
fields total:
13
integrity:
13