نتایج جستجو برای: rank reversal
تعداد نتایج: 106879 فیلتر نتایج به سال:
Understanding the allocation of skilled labor across industries is necessary to explain interindustry wage differences and the effect of trade on wages. This paper develops a multisector assignment model with both heterogeneous labor and a non-labor input in which high skill agents match with high input productivity sectors where they can best leverage their talent. When the ranking of sectors ...
Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Zhong Zheng Name of the doctoral dissertation Statistical Analysis of Cascaded Multipath Fading Channels Publisher School of Electrical Engineering Unit Department of Communications and Networking Series Aalto University publication series DOCTORAL DISSERTATIONS 209/2015 Field of research Communications Engineering Manuscript ...
A time harmonic far field model for closed electromagnetic time reversal mirrors is proposed. Then, a limit model corresponding to small perfectly conducting scatterers is derived. This asymptotic model is used to prove the selective focusing properties of the time reversal operator. In particular, a mathematical justification of the DORT method (Decomposition of the Time Reversal Operator meth...
We consider the stabilization (self-averaging) and destabilization of the energy of waves propagating in random media. Propagation is modeled here by an Itô Schrödinger equation. The explicit structure of the resulting transport equations for arbitrary statistical moments of the wave field is used to show that wave energy density may be stable in the high frequency regime, in the sense that it ...
We show that the diameter of an N 2 processor OTIS-Hypercube computer (N = 2 d) is 2d + 1. OTIS-Hypercube algorithms for some commonly performed permutations { transpose, bit reversal, vector reversal, perfect shuue, unshuue, shuued row-major, and bit shuue { are developed. We also propose an algorithm for general BPC permutations.
Permuting a vector is a fundamental primitive which arises in many applications. In particular, rational permutations, which are defined by permutations of the bits of the binary representations of the vector indices, are widely used. Matrix transposition and bit-reversal are notable examples of rational permutations. In this paper we contribute a number of results regarding the execution of th...
This talk briefly reviews three types of time-asymmetry in physics, which I classify as universal, macroscopic and microscopic. Most of the talk is focussed on the latter, namely the violation of T-reversal invariance in particle physics theories. Talk presented at Discrete ’08 Conference, Valencia, Spain December 11, 2008 SLAC–PUB–13518 This work is supported by the Department of Energy under ...
the rank-k numerical range has a close connection to the construction of quantum error correction code for a noisy quantum channel. for noisy quantum channel, a quantum error correcting code of dimension k exists if and only if the associated joint rank-k numerical range is non-empty. in this paper the notion of joint rank-k numerical range is generalized and some statements of [2011, generaliz...
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