Representation of two by two matrices over perfect fields by a diagonal quadratic form

Autor: Nullwala, Murtuza, Garge, Anuradha S.
Rok vydání: 2020
Předmět:
Druh dokumentu: Working Paper
Popis: Let F be a perfect field. Then the diagonal quadratic form $a_iX_i^2$ over $F$ is universal over $M_2(F)$ if and only if atleast two of the $a_i$ are non-zero.
Databáze: arXiv