AbstractAn anisotropic quadratic form φ is called round if φ ≅aφ whenever φ represents a nontrivially. All round forms over global fields are completely determined. A generalization of a round form, called a group form, is investigated over global fields
The geometric approach to the algebraic theory of quadratic forms is the study of projective quadric...
AbstractThe behaviour of quadratic forms under the extension to the function field of a conic is stu...
The quadratic forms in three variables over the field Z2 are classified. Some remarks are made about...
AbstractAn anisotropic quadratic form φ is called round if φ ≅aφ whenever φ represents a nontriviall...
We offer some elementary characterisations of group and round quadratic forms. These characterisatio...
The Hasse-Minkowski theorem says that a quadratic form over a global field admits a nontrivial zero ...
Let F be a held of characteristic not equal to 2 and phi be an anisotropic quadratic form of dimensi...
Introduction. Let K be a field. Springer has proved that an ani-sotropic quadratic form over K is al...
Abstract. Whenever F is a Henselian valued field whose residue class field F has characteristic diff...
Abstract. This paper presents fundamental algorithms for computational theory of quadratic forms ove...
The problem of determining conditions under which a rational map can exist between a pair of twisted...
It is proved that a quadratic space over the polynomial extension of a global field K is extended fr...
For a nonreal field F of characteristic different from 2, we compare several properties which F may ...
. Let WF denote the Witt ring of a field F of characteristic 6= 2 and let I n F denote the n-th po...
Dedicated to Martin Kneser on the occasion of his 65th birthday Abstract. The Witt indices which may...
The geometric approach to the algebraic theory of quadratic forms is the study of projective quadric...
AbstractThe behaviour of quadratic forms under the extension to the function field of a conic is stu...
The quadratic forms in three variables over the field Z2 are classified. Some remarks are made about...
AbstractAn anisotropic quadratic form φ is called round if φ ≅aφ whenever φ represents a nontriviall...
We offer some elementary characterisations of group and round quadratic forms. These characterisatio...
The Hasse-Minkowski theorem says that a quadratic form over a global field admits a nontrivial zero ...
Let F be a held of characteristic not equal to 2 and phi be an anisotropic quadratic form of dimensi...
Introduction. Let K be a field. Springer has proved that an ani-sotropic quadratic form over K is al...
Abstract. Whenever F is a Henselian valued field whose residue class field F has characteristic diff...
Abstract. This paper presents fundamental algorithms for computational theory of quadratic forms ove...
The problem of determining conditions under which a rational map can exist between a pair of twisted...
It is proved that a quadratic space over the polynomial extension of a global field K is extended fr...
For a nonreal field F of characteristic different from 2, we compare several properties which F may ...
. Let WF denote the Witt ring of a field F of characteristic 6= 2 and let I n F denote the n-th po...
Dedicated to Martin Kneser on the occasion of his 65th birthday Abstract. The Witt indices which may...
The geometric approach to the algebraic theory of quadratic forms is the study of projective quadric...
AbstractThe behaviour of quadratic forms under the extension to the function field of a conic is stu...
The quadratic forms in three variables over the field Z2 are classified. Some remarks are made about...