activity
20132026
most citedA Theory of Solving TAP Equations for Ising Models with General Invariant Random Matrices

63 citations · 149 across the 13 of their papers we have counts for

collaborators

17 papers

math.PR2026

Inverse of a Sum of Random Matrices: A Dynamical Mean-Field Approach

Burak Çakmak, Manfred Opper

We study , where are symmetric positive definite, with limiting eige…

cs.IT2024

Joint Message Detection, Channel, and User Position Estimation for Unsourced Random Access in Cell-Free Networks

Eleni Gkiouzepi, Burak Çakmak, Manfred Opper +1

We consider unsourced random access (uRA) in user-centric cell-free (CF) wireless networks, where random access users send codewords from a common codebook during specifically dedi…

cs.LG2024★ 1 cited

A Convergence Analysis of Approximate Message Passing with Non-Separable Functions and Applications to Multi-Class Classification

Burak Çakmak, Yue M. Lu, Manfred Opper

Motivated by the recent application of approximate message passing (AMP) to the analysis of convex optimizations in multi-class classifications [Loureiro, et. al., 2021], we presen…

cs.LG2022★ 3 cited

Analysis of Random Sequential Message Passing Algorithms for Approximate Inference

Burak Çakmak, Yue M. Lu, Manfred Opper

We analyze the dynamics of a random sequential message passing algorithm for approximate inference with large Gaussian latent variable models in a student-teacher scenario. To mode…

cond-mat.dis-nn2021★ 5 cited

Exact solution to the random sequential dynamics of a message passing algorithm

Burak Çakmak, Manfred Opper

We analyze the random sequential dynamics of a message passing algorithm for Ising models with random interactions in the large system limit. We derive exact results for the two-ti…

cs.LG2020★ 11 cited

A Dynamical Mean-Field Theory for Learning in Restricted Boltzmann Machines

Burak Çakmak, Manfred Opper

We define a message-passing algorithm for computing magnetizations in Restricted Boltzmann machines, which are Ising models on bipartite graphs introduced as neural network models…

cond-mat.stat-mech2020★ 2 cited

Understanding the dynamics of message passing algorithms: a free probability heuristics

Manfred Opper, Burak Çakmak

We use freeness assumptions of random matrix theory to analyze the dynamical behavior of inference algorithms for probabilistic models with dense coupling matrices in the limit of…

cs.LG2020★ 4 cited

Analysis of Bayesian Inference Algorithms by the Dynamical Functional Approach

Burak Çakmak, Manfred Opper

We analyze the dynamics of an algorithm for approximate inference with large Gaussian latent variable models in a student-teacher scenario. To model nontrivial dependencies between…

cond-mat.dis-nn2019★ 23 cited

Memory-free dynamics for the TAP equations of Ising models with arbitrary rotation invariant ensembles of random coupling matrices

Burak Çakmak, Manfred Opper

We propose an iterative algorithm for solving the Thouless-Anderson-Palmer (TAP) equations of Ising models with arbitrary rotation invariant (random) coupling matrices. In the ther…

cs.IT2018

Expectation Propagation for Approximate Inference: Free Probability Framework

Burak Çakmak, Manfred Opper

We study asymptotic properties of expectation propagation (EP) -- a method for approximate inference originally developed in the field of machine learning. Applied to generalized l…

cs.IT2017

Dynamical Functional Theory for Compressed Sensing

Burak Çakmak, Manfred Opper, Ole Winther +1

We introduce a theoretical approach for designing generalizations of the approximate message passing (AMP) algorithm for compressed sensing which are valid for large observation ma…

cs.IT2016★ 7 cited

Self-Averaging Expectation Propagation

Burak Çakmak, Manfred Opper, Bernard H. Fleury +1

We investigate the problem of approximate Bayesian inference for a general class of observation models by means of the expectation propagation (EP) framework for large systems unde…

eess.SY2015★ 27 cited

Cooperative Localization for Mobile Networks: A Distributed Belief Propagation - Mean Field Message Passing Algorithm

Burak Çakmak, Daniel N. Urup, Florian Meyer +3

We propose a hybrid message passing method for distributed cooperative localization and tracking of mobile agents. Belief propagation and mean field message passing are employed fo…

cond-mat.dis-nn2015★ 63 cited

A Theory of Solving TAP Equations for Ising Models with General Invariant Random Matrices

Manfred Opper, Burak Çakmak, Ole Winther

We consider the problem of solving TAP mean field equations by iteration for Ising model with coupling matrices that are drawn at random from general invariant ensembles. We develo…

cs.IT2015★ 3 cited

S-AMP for Non-linear Observation Models

Burak Çakmak, Ole Winther, Bernard H. Fleury

Recently we extended Approximate message passing (AMP) algorithm to be able to handle general invariant matrix ensembles. In this contribution we extend our S-AMP approach to non-l…

cs.IT2014

S-AMP: Approximate Message Passing for General Matrix Ensembles

Burak Çakmak, Ole Winther, Bernard H. Fleury

In this work we propose a novel iterative estimation algorithm for linear observation systems called S-AMP whose fixed points are the stationary points of the exact Gibbs free ener…

cs.IT2013

Capacity Scaling in MIMO Systems with General Unitarily Invariant Random Matrices

Burak Çakmak, Ralf R. Müller, Bernard H. Fleury

We investigate the capacity scaling of MIMO systems with the system dimensions. To that end, we quantify how the mutual information varies when the number of antennas (at either th…