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math-ph2009
Large matrices and Virasoro Conjecture
Da Xu, Palle Jorgensen
In this paper, we first review one of difficult parts of the proof of Witten's conjecture by Kontsevich that had not been emphasized before. In the derivation of the KdV equations,…
math-ph2009
A duality theory for unbounded Hermitian operators in Hilbert space
Palle E. T. Jorgensen
We develop a duality theory for unbounded Hermitian operators with dense domain in Hilbert space. As is known, the obstruction for a Hermitian operator to be selfadjoint or to have…
math-ph2009★ 1 cited
Classification of Graph Fractaloids
Ilwoo Cho, Palle E. T. Jorgensen
In this paper, we observe graph fractaloids, which are the graph groupoids with fractal property. In particular, we classify them in terms of the spectral data of certain Hilbert s…