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6 papers · 2 filters
A Comment on Jones Inclusions with infinite Index
Florian Nill, Hans-Werner Wiesbrock
Given an irreducible inclusion of infinite von-Neumann-algebras $\cn \subset \cm$ together with a conditional expectation $ E : \cm \rightarrow \cm $ such that the inclusion has de…
Reminiscences about Many Pitfalls and Some Successes of QFT Within the Last Three Decades
B. Schroer
Laymen and sometimes even physicists think of natural sciences, in particular of theoretical and mathematical physics often as subjects, which unfold according to an intrinsic logi…
Completeness of ``Good'' Bethe Ansatz Solutions of a Quantum Group Invariant Heisenberg Model
G. Juettner, M. Karowski
The -quantum group invariant spin 1/2 XXZ-Heisenberg model with open boundary conditions is investigated by means of the Bethe ansatz. As is well known, quantum groups for…
Highest Weight Modules and Invariant Integrable n-State Models with Periodic Boundary Conditions"
A. Zapletal, M. Karowski
The weights are computed for the Bethe vectors of an RSOS type model with periodic boundary conditions obeying () invariance. They are shown to be highes…
Some Useful Properties of Rotational Gibbs States In Chiral Conformal QFT
B. Schroer, FU Berlin
We derive the Kac Wakimoto formula in the algebraic framework of chiral conformal QFT s a consequence of the universal behaviour of high-temperature Gibbs-states on intertwiner sub…
q-oscillators, (non-)Kaehler manifolds and constrained dynamics
Sergey V. Shabanov
It is shown that q-deformed quantum mechanics (q-deformed Heisenberg algebra) can be interpreted as quantum mechanics on Kaehler manifolds, or as a quantum theory with second (or f…