1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Stanford UniversityUS67 papers
- California Institute of TechnologyUS60 papers
- University of California, BerkeleyUS56 papers
- University of MinnesotaUS55 papers
- Fermi National Accelerator LaboratoryUS50 papers
- University of DenverUS50 papers
- Evgeni Kharadze Georgian National Astrophysical ObservatoryGE48 papers
- Lawrence Berkeley National LaboratoryUS48 papers
- St Petersburg UniversityRU46 papers
- Osservatorio Astrofisico di TorinoIT45 papers
- Kavli Institute for Particle Astrophysics and CosmologyUS44 papers
- National Institute for AstrophysicsIT44 papers
13 papers · 1 filter
List Distinguishing Parameters of Trees
Michael Ferrara, Ellen Gethner, Stephen G. Hartke +2
A coloring of the vertices of a graph G is said to be distinguishing} provided no nontrivial automorphism of G preserves all of the vertex colors. The distinguishing number of G, D…
Hierarchical QR factorization algorithms for multi-core cluster systems
Jack Dongarra, Mathieu Faverge, Thomas Herault +2
This paper describes a new QR factorization algorithm which is especially designed for massively parallel platforms combining parallel distributed multi-core nodes. These platforms…
Rainbow Matchings of size δ(G) in Properly Edge-colored Graphs
Jennifer Diemunsch, Michael Ferrara, Casey Moffatt +2
A {\it rainbow matching} in an edge-colored graph is a matching in which all the edges have distinct colors. Wang asked if there is a function f(δ) such that a properly edge-colore…
The long-lasting activity of 3C 454.3. GASP-WEBT and satellite observations in 2008-2010
C. M. Raiteri, M. Villata, M. F. Aller +6
We present multiwavelength observations of 3C 454.3 from April 2008 to March 2010. The radio to optical data are mostly from the GASP-WEBT, UV and X-ray data from Swift, and gamma-…
The brightest gamma-ray flaring blazar in the sky: AGILE and multi-wavelength observations of 3C 454.3 during November 2010
S. Vercellone, E. Striani, V. Vittorini +84
Since 2005, the blazar 3C 454.3 has shown remarkable flaring activity at all frequencies, and during the last four years it has exhibited more than one gamma-ray flare per year, be…
Simulation of the 2009 Harmanli fire (Bulgaria)
Georgi Jordanov, Jonathan D. Beezley, Nina Dobrinkova +3
We use a coupled atmosphere-fire model to simulate a fire that occurred on August 14--17, 2009, in the Harmanli region, Bulgaria. Data was obtained from GIS and satellites imagery,…
TeV and Multi-wavelength Observations of Mrk 421 in 2006-2008
V. A. Acciari, E. Aliu, T. Arlen +103
We report on TeV gamma-ray observations of the blazar Mrk 421 (redshift of 0.031) with the VERITAS observatory and the Whipple 10m Cherenkov telescope. The excellent sensitivity of…
Fermi-LAT Observations of Markarian 421: the Missing Piece of its Spectral Energy Distribution
LAT collaboration, A. A. Abdo et al., the MAGIC collaboration +4
We report on the gamma-ray activity of the high-synchrotron-peaked BL Lacertae object Mrk 421 during the first 1.5 years of Fermi operation, from 2008 August 5 to 2010 March 12. We…
Macroscopic Flow Potentials in Swelling Porous Media
Lynn Schreyer-Bennethum
In swelling porous media, the potential for flow is much more than pressure, and derivations for flow equations have yielded a variety of equations. In this paper we show that the…
Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments
CDMS, EDELWEISS Collaborations, : +114
The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614 kg.d…
Tiled QR factorization algorithms
Henricus Bouwmeester, Mathias Jacquelin, Julien Langou +1
This work revisits existing algorithms for the QR factorization of rectangular matrices composed of p-by-q tiles, where p >= q. Within this framework, we study the critical paths a…
Coupled atmosphere-wildland fire modeling with WRF-Fire
Jan Mandel, Jonathan D. Beezley, Adam K. Kochanski
We describe the physical model, numerical algorithms, and software structure of WRF-Fire. WRF-Fire consists of a fire-spread model, implemented by the level-set method, coupled wit…
Application of the parallel BDDC preconditioner to the Stokes flow
Jakub Šístek, Bedřich Sousedík, Pavel Burda +2
A parallel implementation of the Balancing Domain Decomposition by Constraints (BDDC) method is described. It is based on formulation of BDDC with global matrices without explicit…