7 citations
2 papers
astro-ph.CO2014★ 7 cited
The Orthogonally Aligned Dark Halo of an Edge-on Lensing Galaxy in the Hubble Frontier Fields: A Challenge for Modified Gravity
Jose M. Diego, Tom Broadhurst, Narciso Benitez +2
We examine a well resolved 8 arcsec lensed image that is symmetrically bent in the middle by an edge-on lenticular galaxy, in the Hubble Frontier Field (HFF) data of MACSJ0416.1-20…
math.CO2011
A note on higher-dimensional magic matrices
Peter J. Cameron, Christian Krattenthaler, Thomas W. Müller
We provide exact and asymptotic formulae for the number of unrestricted, respectively indecomposable, -dimensional matrices where the sum of all matrix entries with one coordina…