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Topological Dynamical Systems Methods in Early-Universe Cosmologies
This dissertation describes some important problems that we have tried to solve with respect to the state of the early universe, that is, the universe shortly after the Big Bang. Standard early-universe cosmological ...
Cosmic Bubble Collisions: Observable Signature of a Classical Transition
The theory of inflation was introduced to resolve many existing observational problems in cosmology. Inflation becomes eternal when a region of space continuously spawns non-inflation regions. This process arises from ...
A Search For Warm-Hot Intergalactic Matter in the Local Sheet of Galaxies
30-40% of all baryons in the Universe are thought to reside in the warm-hot intergalactic medium (WHIM) at temperatures in the range of 10^5-10^7 K. If the oxygen abundance is comparable to expectations, then OVI absorption ...