3 papers
hep-ph2002
Proceedings to the Workshops ''What comes beyond the Standard model'' 2000,2001, VOLUME 1: Festschrift dedicated to the 60th birthday of Holger Bech Nielsen
N. S. Mankoc Borstnik, C. D. Froggatt, D. Lukman +15
The present volume is the collection of contributions by friends of Holger Bech Nielsen for his 60th birthday. Contents: 1.Unified internal space of spins and charges (N. Mankoc Bo…
hep-th1997
Free Field Realizations of 2D Current Algebras, Screening Currents and Primary Fields
J. L. Petersen, J. Rasmussen, M. Yu
In this paper we consider Wakimoto free field realizations of simple affine Lie algebras, a subject already much studied. We present three new sets of results. (i) Based on quantiz…
hep-th1992
Extended Superconformal Algebras from Classical and Quantum Hamiltonian Reduction
K. Ito, J. O. Madsen, J. L. Petersen
We consider the extended superconformal algebras of the Knizhnik-Bershadsky type with -algebra like composite operators occurring in the commutation relations, but with generato…