Publication date
December 1975
DOI Publisher
Published by Elsevier Inc. ISSN
0024-3795 Citation count (estimate)
114Abstract
AbstractThere is a positive semidefinite biquadratic form that cannot be expressed as the sum of squares of bilinear forms
AbstractThere is a positive semidefinite biquadratic form that cannot be expressed as the sum of squares of bilinear forms
We study sums of squares formulae from the perspective of normed bilinear maps and their Hopf const...
AbstractIt has long been known that every positive semidefinite function of R(x, y) is the sum of fo...
AbstractA symmetric matrix C is called copositive if the quadratic form x′Cx is nonnegative for all ...
AbstractThere is a positive semidefinite biquadratic form that cannot be expressed as the sum of squ...
In 1995, Reznick showed an important variant of the obvious fact that any positive semidefinite (rea...
By a diagonal minus tail form (of even degree) we understand a real homogeneous polynomial F(x1, .....
AbstractThe purpose of this paper is to summarize the known results on positive subdefinite matrices...
AbstractThis note concerns an alternative theorem for quadratic forms established recently by Y. Yua...
We give a continuous representation of positive semidefinite (psd) n-ary quadratic forms over an ord...
AbstractWe characterize the complex square matrices which are expressible as the product of finitely...
Positive definite forms f 2 R[x1, . . . , xn] which are sums of squares of forms of R[x1, . . . , xn...
Positive definite forms f 2 R[x1, . . . , xn] which are sums of squares of forms of R[x1, . . . , xn...
We compare the cone of positive semidefinite (real) forms to its subcone of sum of squares of (real)...
A form p on Rn (homogeneous n-variate polynomial) is called positive semidefinite (p.s.d.) if it is ...
We study sums of squares formulae from the perspective of normed bilinear maps and their Hopf const...
We study sums of squares formulae from the perspective of normed bilinear maps and their Hopf const...
AbstractIt has long been known that every positive semidefinite function of R(x, y) is the sum of fo...
AbstractA symmetric matrix C is called copositive if the quadratic form x′Cx is nonnegative for all ...
AbstractThere is a positive semidefinite biquadratic form that cannot be expressed as the sum of squ...
In 1995, Reznick showed an important variant of the obvious fact that any positive semidefinite (rea...
By a diagonal minus tail form (of even degree) we understand a real homogeneous polynomial F(x1, .....
AbstractThe purpose of this paper is to summarize the known results on positive subdefinite matrices...
AbstractThis note concerns an alternative theorem for quadratic forms established recently by Y. Yua...
We give a continuous representation of positive semidefinite (psd) n-ary quadratic forms over an ord...
AbstractWe characterize the complex square matrices which are expressible as the product of finitely...
Positive definite forms f 2 R[x1, . . . , xn] which are sums of squares of forms of R[x1, . . . , xn...
Positive definite forms f 2 R[x1, . . . , xn] which are sums of squares of forms of R[x1, . . . , xn...
We compare the cone of positive semidefinite (real) forms to its subcone of sum of squares of (real)...
A form p on Rn (homogeneous n-variate polynomial) is called positive semidefinite (p.s.d.) if it is ...
We study sums of squares formulae from the perspective of normed bilinear maps and their Hopf const...
We study sums of squares formulae from the perspective of normed bilinear maps and their Hopf const...
AbstractIt has long been known that every positive semidefinite function of R(x, y) is the sum of fo...
AbstractA symmetric matrix C is called copositive if the quadratic form x′Cx is nonnegative for all ...
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