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Magma V2.12-12 Patch Notes

Patch release for Magma V2.12-12. Updated areas: Finite Fields, Integer Ring, Matrices, Number Fields, Polynomial Rings.

5 areas

Finite Fields

  • A bug in finite field extensions (related to the function Completion in function fields) has been fixed (reported by L. Pecquet).

Integer Ring

  • A bug in SQUFOF on some processor types has been fixed.

Matrices

  • A bug in determinant over finite fields has been fixed (thus fixing crash in determinant over the integers and ClassGroup).

Number Fields

  • A bug in the handling of infinite places in the Chinese Remainder Theorem has been fixed. This bug would consistently produce wrong results in Rayclassgroup computations involving infinite places.

  • A bug in the handling of ext over the rational numbers gave internal errors when trying to extend Q by a sequence of rational or integral numbers.

Polynomial Rings

  • A bug in factorization over polynomial quotient rings over finite fields has been fixed (reported by D. Schmidt).

  • A bug in the sparse GCD algorithm has been fixed.

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