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01 Jan 2001
TL;DR: In this article, the authors review several descriptions of the affine symmetric group and explicit the basis of its Bruhat order, which is the basis for our Bruhat ordering.
Abstract: We review several descriptions of the affine symmetric group We explicit the basis of its Bruhat order
47 citations
TL;DR: A modified version of tRNAscan is described, altered to run 500 times faster and to lower both rates of false positives and false negatives, with three exceptions, two of which being arguably not real tRNAs.
47 citations
TL;DR: In this article, the conditions under which the Southern countries should act together, or separately, with the North about climate change policy and about the conditions for future Southern engagement were determined.
Abstract: This article determines the conditions under which theSouthern countries should act together, or separately, whilenegotiating with the North about climate change policy andabout the conditions for future Southern engagement. The papermodels the international negotiations with complete and withasymmetric information in a dynamic framework. Results showthat, depending on their characteristics, the differentplayers can obtain benefits delaying the moment of theagreement.
46 citations
TL;DR: The experimental data and literature were used to suggest a hypothetical model for floc formation and P removal with Al under the conditions observed in treated lakes.
46 citations
TL;DR: In this paper, the authors studied the problem of maximizing the ergodic mutual information (EMI) of bi-correlated flat fading MIMO systems equipped with MMSE receivers.
Abstract: This paper is devoted to the design of precoders maximizing the ergodic mutual information (EMI) of bi-correlated flat fading MIMO systems equipped with MMSE receivers. The channel state information and the second-order statistics of the channel are assumed available at the receiver side and at the transmitter side respectively. As the direct maximization of the EMI needs the use of nonattractive algorithms, it is proposed to optimize an approximation of the EMI, introduced recently, obtained when the number of transmit and receive antennas t and τ converge to ∞ at the same rate. It is established that the relative error between the actual EMI and its approximation is a O( [ 1/( t2)]) term. It is shown that the left singular eigenvectors of the optimum precoder coincide with the eigenvectors of the transmit covariance matrix, and its singular values are solution of a certain maximization problem. Numerical experiments show that the mutual information provided by this precoder is close from what is obtained by maximizing the true EMI, but that the algorithm maximizing the approximation is much less computationally intensive.
46 citations
Authors
Showing all 831 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Dapeng Yu | 94 | 745 | 33613 |
| Daniel Azoulay | 78 | 510 | 23979 |
| Mehmet A. Oturan | 77 | 261 | 22682 |
| Alfred O. Hero | 73 | 899 | 29258 |
| Nihal Oturan | 64 | 174 | 12092 |
| Jean-Christophe Pesquet | 50 | 364 | 13264 |
| Eric D. van Hullebusch | 50 | 265 | 9030 |
| Christian Soize | 48 | 529 | 9932 |
| Maxime Crochemore | 47 | 314 | 9836 |
| Jean-Yves Thibon | 42 | 191 | 6398 |
| Marie-France Sagot | 41 | 191 | 5972 |
| François Farges | 41 | 111 | 6349 |
| Laurent Najman | 40 | 233 | 9238 |
| Renaud Keriven | 39 | 108 | 6330 |
| Robert Eymard | 39 | 171 | 6964 |