Konrad Schmüdgen

TheK-moment problem for compact semi-algebraic sets

Konrad Schmüdgen · Mathematische Annalen · 1991 · 358 citations

Natural Sciences, Mathematics, Probability Theory +4

An Example of a Positive Polynomial which is not a Sum of Squares of Polynomials A Positive, but not Strongly Positive Functional

Konrad Schmüdgen · Mathematische Nachrichten · 1979 · 84 citations

Natural Sciences, Prosthodontics, Functional Decline +1

On the Heisenberg commutation relation. I

Konrad Schmüdgen · Journal of Functional Analysis · 1983 · 70 citations

Natural Sciences, Mathematics, Physics +12

On trace representation of linear functionals on unbounded operator algebras

Konrad Schmüdgen · Communications in Mathematical Physics · 1978 · 51 citations

Natural Sciences, Mathematics, Algebra +13

The order structure of topological -algebras of unbounded operators I

Konrad Schmüdgen · Reports on Mathematical Physics · 1975 · 33 citations

Natural Sciences, Mathematics, Algebra +8