Change log for Magma V2.28-11 (Released 15/8/2024)

Curves

·A crash in HasPointsEverywhereLocally where the base ring is a number field has been fixed. Reported by D. Zureick-Brown.

·A missing error check for IsEmpty with the Smooth parameter has been added. Reported by D. Zureick-Brown.

Elliptic Curves

·A crash in EllipticCurve when given a certain type of projective curve has been fixed. Reported by M. Zieve.

Matrix groups

·A bug in Order for matrices with entries in quaternion algebras has been fixed. Support for groups defined over quaternion algebras has also been improved (including for the case that the base field is not the rational field). Reported by S. Waldron.

Power Series Rings

·A result for IsWeaklyEqual inconsistent with IsWeaklyZero for recursively defined power series rings has been fixed. Reported by K. Keating.

System

·An error involving bad filename expansion in AttachSpec has been fixed. Reported by M. Grassl.