3 papers
astro-ph2000
Dynamical effects of a cosmological constant
L. Bergstrom, U. Danielsson
The observational evidence for the existence of a non-zero cosmological constant is getting stronger. It is therefore timely to address the question of its eventual effect on the d…
quant-ph1994
String Theory, Black Holes and Klein's Lemma
Ulf H. Danielsson
This is a writeup of a talk given at the Oskar Klein Centenery Symposium, Stockholm, September 19-21, 1994. It is an essay on the black hole information paradox and its connection…
hep-th1992
A Study of Two Dimensional String Theory (PhD Thesis)
Ulf H. Danielsson
This thesis is a study of two dimensional noncritical string theory. The main tool which is used, is the matrix model. Introductions to both the Liouville model and its matrix mode…