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6 papers · 1 filter
A spectral sequence for polyhedral products
A. Bahri, M. Bendersky, F. R. Cohen +1
The purpose of this paper is to exhibit fine structure for polyhedral products Z(K;(X,A) and polyhedral smash products . (Moment-angle complexes are special ca…
On the Integral Cohomology Ring of Toric Orbifolds and Singular Toric Varieties
Anthony Bahri, Soumen Sarkar, Jongbaek Song
We examine the integral cohomology rings of certain families of -dimensional orbifolds that are equipped with a well-behaved action of the -dimensional real torus. These…
The Brown Dwarf Kinematics Project (BDKP). IV. Radial Velocities of 85 Late-M and L dwarfs with MagE
Adam J. Burgasser, Sarah E. Logsdon, Jonathan Gagne +6
Radial velocity measurements are presented for 85 late M- and L-type very low mass stars and brown dwarfs obtained with the Magellan Echellette (MagE) spectrograph. Targets primari…
Liftings and stresses for planar periodic frameworks
Ciprian S. Borcea, Ileana Streinu
We formulate and prove a periodic analog of Maxwell's theorem relating stressed planar frameworks and their liftings to polyhedral surfaces with spherical topology. We use our lift…
Geometric auxetics
Ciprian S. Borcea, Ileana Streinu
We formulate a mathematical theory of auxetic behavior based on one-parameter deformations of periodic frameworks. Our approach is purely geometric, relies on the evolution of the…
The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III
Shadab Alam, Franco D. Albareti, Carlos Allende Prieto +271
The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fib…