Favored Variants of Cold Dark Matter Cosmologies
We discuss variants of Cold Dark Matter (CDM) dominated cosmological models that give good agreement with a range of observations.
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Heavy Neutron Stars? A Status Report on Arecibo Timing of Four Pulsar-White Dwarf Systems
Relativistic phenomena (orbital precession, Shapiro delay, and/or orbital decay) have been measured in Arecibo timing observations of four pulsar-white dwarf
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Loops and Knots as Topoi of Substance. Spinoza Revisited
The relationship between modern philosophy and physics is discussed. It is shown that the latter develops some need for a
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Open Questions in the Theory of Semifeasible Computation
The study of semifeasible algorithms was initiated by Selman's work a quarter of century ago [Sel79,Sel81,Sel82]. Informally put, this research
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The Dimensions of Individual Strings and Sequences
A constructive version of Hausdorff dimension is developed using constructive supergales, which are betting strategies that generalize the constructive supermartingales
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What is the Small-Scale Velocity Dispersion of Galaxy Pairs?
We present some new results from an ongoing investigation of the anisotropy of the two--point correlation function for optically selected
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