Search Results for author: David Barnes

Found 4 papers, 2 papers with code

Is there enough star formation in simulated protoclusters?

no code implementations5 Oct 2020 SeungHwan Lim, Ryley Hill, Douglas Scott, Arif Babul, David Barnes, Scott Chapman, Christopher Hayward, Scott Kay, Ian McCarthy, Douglas Rennehan, Mark Vogelsberger

Using a combination of state-of-the-art hydrodynamical simulations and empirical models, we show that current galaxy-formation models do not produce enough star formation in protoclusters to match observations.

Astrophysics of Galaxies

An introduction to algebraic models for rational G-spectra

no code implementations3 Apr 2020 David Barnes, Magdalena Kedziorek

It gives a complete proof of the well-known classification of rational Mackey functors for finite G. The second part discusses the methods and tools from equivariant stable homotopy theory needed to obtain algebraic models for rational G-spectra.

Algebraic Topology Representation Theory 55P91, 55P42, 55P60 (Primary) 55Q91, 19A22 (Secondary)

An Algorithm for Optimal Partitioning of Data on an Interval

1 code implementation17 Sep 2003 Brad Jackson, Jeffrey D. Scargle, David Barnes, Sundararajan Arabhi, Alina Alt, Peter Gioumousis, Elyus Gwin, Paungkaew Sangtrakulcharoen, Linda Tan, Tun Tao Tsai

Many signal processing problems can be solved by maximizing the fitness of a segmented model over all possible partitions of the data interval.

Numerical Analysis astro-ph Computational Engineering, Finance, and Science Data Structures and Algorithms Information Theory Combinatorics Information Theory 65C60

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