10.1145/acmotherconferencesACM Other Conferences000000010.5555/0000000Proceedings of the Dagstuhl Seminar Proceedings, Volume 502110.4230/DagSemProc.05021.2020Subdiscriminant of symmetric matrices are sums of squaresRoyMarie-FrançoiseAuthor1601200614

We present a very elementary algebraic proof providing an explicit sum of squares.

This result generalizes a result on discriminants of symmetric matrices