128 citations · 793 across the 55 of their papers we have counts for
Showing 1999Show all
2 papers · 1 filter
math-ph1999
On cyclically shifted strings
K. Baerwinkel, H. -J. Schmidt, J. Schnack
If a string is cyclically shifted it will re-appear after a certain number of shifts, which will be called its order. We solve the problem of how many strings exist with a given or…
gr-qc1999★ 53 cited
Photon Stars
H. -J. Schmidt, F. Homann
We discuss numerical solutions of Einstein's field equation describing static, spherically symmetric conglomerations of a photon gas. These equations imply a back reaction of the m…