On the Chow groups of quadratic Grassmannians.
On the Cohomological Characterization of Real Free Pro-2-Group.
On the diophantine equation
On the ...-invariant for quadratics forms and the linkage of cyclic algebras.
On the Maximality of the Orthogonal Groups in the Symplectic Groups in Characteristic Two.
On the nonexcellence of field extensions .
On the number of square classes of a field of finite level.
On the seperation of basic semialgebraic sets by polynomials.
On trace forms of étale algebras and field extensions.
On trace forms of hilbertian fields.
On vanishing theorems for trace forms
Order of torsion in of quadrics.
Orderings under field extensions.
Orthogonal Decomposition of Modular Quadratic Forms.
Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants.
Parameter spaces for quadrics
The parameter spaces for quadrics are reviewed. In addition, an explicit formula for the number of quadrics tangent to given linear subspaces is presented.
Pfaffians, central simple algebras and similtudes.
Pfister Ideals in Witt Rings.
Pfister's conjecture on quadratic Co-fields.
Primitive representation of a binary quadratic form as a sum of four squares