758 citations
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Showing 2004Show all
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math.OA2004
C*-algebras associated with interval maps
Valentin Deaconu, Fred Shultz
For each piecewise monotonic map tau of [0,1], we associate a pair of C*-algebras F_tau and O_tau and calculate their K-groups. The algebra F_tau is an AI-algebra. We characterize…
math.DS2004
Dimension groups for interval maps II: the transitive case
Fred Shultz
Any continuous, transitive, piecewise monotonic map is determined up to a binary choice by its dimension module with the associated finite sequence of generators. The dimension mod…
astro-ph2004★ 5 cited
A Photometric Study of Stars in the MBM 12 Association
William Herbst, Eric C. Williams, Wendy P. Hawley
We have monitored four fields containing nine previously identified members of the MBM 12 association to search for photometric variability and periodicity in these pre-main sequen…