856 citations
- University of CopenhagenDK10 papers
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8 papers · 1 filter
The stable moduli space of Riemann surfaces: Mumford's conjecture
Ib Madsen, Michael S. Weiss
The main result of this paper amounts to a complete evaluation of the integral cohomological structure of the stable mapping class group. In particular it verifies the conjecture o…
Optical Photometry of GRB 021004: The First Month
Stephen T. Holland, Michael Weidinger, Johan P. U. Fynbo +17
We present U,B,V,R_C,and I_C photometry of the optical afterglow of the gamma-ray burst GRB 021004 taken at the Nordic Optical Telescope between approximately eight hours and 30 da…
Absorption Systems in the Spectrum of GRB 021004
P. Møller, J. P. U. Fynbo, J. Hjorth +10
We report on a 3600 s spectrum of GRB 021004 obtained with the Nordic Optical Telecope on La Palma 10.71 hours after the burst. We identify absorption lines from five systems at re…
The Afterglow of GRB010222: A Case of Continuous Energy Injection
G. Bjornsson, J. Hjorth, K. Pedersen +1
The optical lightcurve of GRB010222 exhibited one of the slowest decays of any gamma-ray burst to date. Its broadband properties have been difficult to explain with conventional af…
E-theory is a special case of KK-theory
Vladimir Manuilov, Klaus Thomsen
Let A and B be -algebras, A separable, and B -unital and stable. It is shown that there are natural isomorphisms , where $SA=C_0(0,1)…
Evidence for Solar-like Oscillations in Arcturus (Alpha Boo)
Alon Retter, Timothy R. Bedding, Derek Buzasi +1
Observations of the red giant Arcturus (Alpha Boo) obtained with the star tracker on the Wide Field Infrared Explorer (WIRE) satellite during a baseline of 19 successive days in 20…