3 papers
quant-ph2026
Beyond trace-class and Hilbert-Schmidt -- Interaction between operator ideals and von Neumann algebras in quantum physics
Frank Oertel
Starting from a thorough analysis of the conjugate of a complex Hilbert space , including its significant importance regarding a representation of the tensor prod…
math.FA2026
Beyond trace class -- Tensor products of Hilbert spaces and operator ideals in quantum physics
Frank Oertel
Starting from the meaning of the conjugate of a complex Hilbert space, including a related application of the theorem of Fréchet-Riesz (by which an analysis of semilinear operator…
math.FA2025
Upper bounds for Grothendieck constants, quantum correlation matrices and CCP functions
Frank Oertel
Within the framework of the search for the still unknown exact value of the real and complex Grothendieck constant in the famous Grothendieck inequality (unsolved…