The Lefschetz number of an involution on the space of classes of positive definite quadratic forms.
The Lehmus inequality.
The level of real projective spaces.
The L-Theory of Laurent extensions and genus 0 function fields.
The Markoff spectrum
The mininima of positive definite Heranmitian binary quadratic forms
The module of a 2-component link.
The Moduli Space of (3,3,3) Trilinear forms.
The Noether-Lefschetz theorem and sums of 4 squares in the rational function field
The Nullstellensatz for real coherent analytic surfaces.
The number of representations by sums of squares and triangular numbers.
The Pythagoras number of some affine algebras and local algebras.
The quadratic form transfer and valuations.
The reduced Wittring
The representation of one quadratic form by another in valuated fields
The Rosser-Iwaniec sieve in number fields, with an application
The solubility of diagonal cubic surfaces
The Stufe of Number Fields.
The u-invariant of fields with 16 and 32 square classes I
We discuss here the conjectures of Kaplansky and of Lam concerning the ii-univariant of a field of characteristic different from two. Both conjectures are shown t.o hold true for any field having at most 32 square classes.
The values of a quadratic form at square-free points