The Anisotropic Part of a Quadratic Form over a Global Function Field. - Mawunyo Kofi Darkey-Mensah; Przemyslaw Koprowski; Beata Rothkegel (ISSAC, 2021)

Computing the Length of Sum of Squares and Pythagoras Element in a Global Field. - Mawunyo Kofi Darkey-Mensah; Beata Rothkegel (Fundam. Informaticae, 2021)

The anisotropic part of a quadratic form over a number field. - Przemyslaw Koprowski; Beata Rothkegel (J. Symb. Comput., 2023)