Becher, Karim JohannesGrimm, DavidVan Geel, Jan2014-08-292014-08-292014-08-29201410.2140/pjm.2014.267.257https://infoscience.epfl.ch/handle/20.500.14299/106104WOS:000338426900001A recently found local-global principle for quadratic forms over function fields of curves over a complete discretely valued field is applied to the study of quadratic forms, sums of squares, and related field invariants.isotropylocal-global principlereal fieldsums of squaresu-invariantPythagoras numbervaluationalgebraic function fieldsSums Of Squares In Algebraic Function Fields Over A Complete Discretely Valued Fieldtext::journal::journal article::research article