52 citations · 123 across the 34 of their papers we have counts for
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math.FA2008★ 1 cited
Multidimensional Chebyshev Systems - just a definition
Ognyan Kounchev
We provide a definition of Multidimensional Chebyshev Systems of order N which is satisfied by the solutions of a wide class of elliptic equations of order 2N. This definition gene…
math.FA2008★ 1 cited
A moment problem for pseudo-positive definite functionals
Ognyan Kounchev, Hermann Render
A moment problem is presented for a class of signed measures which are termed pseudo-positive. Our main result says that for every pseudo-positive definite functional (subject to s…