Walid Hachem

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Person:287677

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zbMath Open hachem.walidMaRDI QIDQ287677

List of research outcomes

PublicationDate of PublicationType
Approximate message passing for sparse matrices with application to the equilibria of large ecological Lotka-Volterra systems2024-03-04Paper
Spectral measure of empirical autocovariance matrices of high-dimensional Gaussian stationary processes2023-07-24Paper
Equilibria of large random Lotka-Volterra systems with vanishing species: a mathematical approach2023-02-15Paper
Complex systems in Ecology: a guided tour with large Lotka-Volterra models and random matrices2022-12-12Paper
Convergence of constant step stochastic gradient descent for non-smooth non-convex functions2022-07-26Paper
Constant step stochastic approximations involving differential inclusions: stability, long-run convergence and applications2022-07-05Paper
Stochastic optimization with momentum: convergence, fluctuations, and traps avoidance2021-10-11Paper
A fully stochastic primal-dual algorithm2021-05-05Paper
Smallest singular value and limit eigenvalue distribution of a class of non-Hermitian random matrices with statistical application2020-05-19Paper
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators2020-01-28Paper
Snake: A Stochastic Proximal Gradient Algorithm for Regularized Problems Over Large Graphs2019-07-18Paper
https://portal.mardi4nfdi.de/entity/Q49678402019-07-11Paper
Analysis of Sum-Weight-Like Algorithms for Averaging in Wireless Sensor Networks2018-08-22Paper
Statistical Inference in Large Antenna Arrays Under Unknown Noise Pattern2018-08-22Paper
Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime With Application to Source Detection2018-08-22Paper
Randomized Isometric Linear-Dispersion Space-Time Block Coding for the DF Relay Channel2018-07-18Paper
Resource Allocation for Downlink Cellular OFDMA Systems—Part I: Optimal Allocation2018-07-09Paper
Resource Allocation for Downlink Cellular OFDMA Systems—Part II: Practical Algorithms and Optimal Reuse Factor2018-07-09Paper
Outage Probability-Based Power and Time Optimization for Relay Networks2018-07-09Paper
Asymptotic Analysis of Reduced-Rank Chip-Level MMSE Equalizers in the Downlink of CDMA Systems2018-06-12Paper
Asymptotic Cramér–Rao Bounds and Training Design for Uplink MIMO-OFDMA Systems With Frequency Offsets2018-06-12Paper
Joint sampling clock offset and channel estimation for OFDM signals: Crame/spl acute/r-Rao bound and algorithms2017-10-30Paper
On the asymptotic distribution of the correlation receiver output for time-hopped UWB signals2017-10-30Paper
MIMO channel blind identification in the presence of spatially correlated noise2017-09-08Paper
BER and Outage Probability Approximations for LMMSE Detectors on Correlated MIMO Channels2017-08-08Paper
A Central Limit Theorem for the SINR at the LMMSE Estimator Output for Large-Dimensional Signals2017-08-08Paper
On the Capacity Achieving Covariance Matrix for Rician MIMO Channels: An Asymptotic Approach2017-07-27Paper
Error Exponents for Neyman-Pearson Detection of a Continuous-Time Gaussian Markov Process From Regular or Irregular Samples2017-07-12Paper
Fluctuations of Spiked Random Matrix Models and Failure Diagnosis in Sensor Networks2017-06-08Paper
Performance of a Distributed Stochastic Approximation Algorithm2017-06-08Paper
A Coordinate Descent Primal-Dual Algorithm and Application to Distributed Asynchronous Optimization2017-05-03Paper
Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers2017-05-03Paper
A constant step Forward-Backward algorithm involving random maximal monotone operators2017-02-14Paper
Dynamical behavior of a stochastic forward-backward algorithm using random monotone operators2016-12-06Paper
Large complex correlated Wishart matrices: fluctuations and asymptotic independence at the edges2016-07-14Paper
Large complex correlated Wishart matrices: the Pearcey kernel and expansion at the hard edge2016-05-23Paper
A Survey on the Eigenvalues Local Behavior of Large Complex Correlated Wishart Matrices2016-02-15Paper
The Shannon’s mutual information of a multiple antenna time and frequency dependent channel: An ergodic operator approach2015-12-10Paper
Analysis of the limiting spectral measure of large random matrices of the separable covariance type2014-12-22Paper
The outliers among the singular values of large rectangular random matrices with additive fixed rank deformation2014-10-15Paper
On bilinear forms based on the resolvent of large random matrices2013-03-19Paper
A subspace estimator for fixed rank perturbations of large random matrices2013-01-16Paper
LARGE INFORMATION PLUS NOISE RANDOM MATRIX MODELS AND CONSISTENT SUBSPACE ESTIMATION IN LARGE SENSOR NETWORKS2012-05-18Paper
A CLT FOR INFORMATION-THEORETIC STATISTICS OF NON-CENTERED GRAM RANDOM MATRICES2012-05-18Paper
A New Approach for Mutual Information Analysis of Large Dimensional Multi-Antenna Channels2009-02-24Paper
A CLT for information-theoretic statistics of Gram random matrices with a given variance profile2009-01-13Paper
Asymptotic Analysis of Optimum and Suboptimum CDMA Downlink MMSE Receivers2008-12-21Paper
Simple Polynomial Detectors for CDMA Downlink Transmissions on Frequency-Selective Channels2008-12-21Paper
Deterministic equivalents for certain functionals of large random matrices2007-10-17Paper
The empirical distribution of the eigenvalues of a Gram matrix with a given variance profile2007-01-09Paper
https://portal.mardi4nfdi.de/entity/Q52906292006-04-28Paper
MMSE analysis of certain large isometric random precoded systems2005-06-01Paper
Identification of certain noisy MA models: new results2000-06-04Paper

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