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Lyman Alpha Absorption in The Cosmic Web
J. Richard Bond, James W. Wadsley
We describe large scale structure at high redshift in terms of the Cosmic Web picture for {S,Lambda,O,H}CDM models: how galactic-scale ``peak-patches'', filaments and membranes cre…
Estimating the Power Spectrum of the Cosmic Microwave Background
J. R. Bond, A. H. Jaffe, L. Knox
We develop two methods for estimating the power spectrum, C_l, of the cosmic microwave background (CMB) from data and apply them to the COBE/DMR and Saskatoon datasets. One method…
The Lyman Alpha Forest within The Cosmic Web
J. Richard Bond, James W. Wadsley
Observations indicate galaxies are distributed in a filament-dominated web-like structure; classic examples are the Coma and Perseus-Pisces superclusters. Numerical experiments at…
Constraints on Compact Hyperbolic Spaces from COBE
J. Richard Bond, Dmitry Pogosyan, Tarun Souradeep
The (large angle) COBE DMR data can be used to probe the global topology of our universe on scales comparable to and just beyond the present ``horizon''. For compact topologies, th…
CMB Power Spectrum Estimation
Lloyd Knox, J. Richard Bond, Andrew H. Jaffe
We explore power spectrum estimation in the context of a Gaussian approximation to the likelihood function. Using the Saskatoon data, we estimate the power averaged through a set o…
Data Compression for CMB Experiments
A. H. Jaffe, L. E. Knox, J. R. Bond
We discuss data compression for CMB experiments. Although "radical compression" to C_l bands, via quadratic estimators or local bandpowers, potentially offers a great savings in co…