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Latest papers

1. Variational Multi-Gaussian Quantum Trajectories quant-ph · 24 Sep · 1 hit

   We propose a variational framework for the efficient simulation of stochastic quantum dynamics in interacting bosonic systems. Our method generalizes the time-dependent…

2. Consistent determination of stability regimes in natural ecological communities from abundance time series q-bio.PE · 24 Sep · 2 hits

   …that infers stability regimes in large ecological communities directly from abundance time series. We study stochastic Generalized Lotka--Volterra dynamics with random interactions and environmental fluctuations using…

3. On the SoS Certifiability of Log-Concave Distributions cs.LG · 24 Sep · 1 hit

   …error guarantees for a wide range of high-dimensional statistical estimation problems. Our proof uses stochastic localization to decompose $P$ as an average of random strongly log-concave measures, whose…

4. Rate-distortion optimization for full-reference image quality metrics via stochastic Hessian estimates eess.IV · 24 Sep · 1 hit

   Block-based video codecs select coding parameters based on the input by optimizing a rate-distortion…

5. From Processing to Functionality: Engineering Accessible Material States in Cu-Embedded SiO$_x$ Memristive Devices cond-mat.mtrl-sci · 24 Sep · 1 hit

   Resistive switching in oxide-based devices is widely governed by stochastic defect processes, yet a predictive link between fabrication conditions and functional behavior…

6. A Contraction Framework for Stochastic Operators with Bootstrapping: Application to TD Learning cs.LG · 24 Sep · 3 hits

   …inner steps, and on uniformly bounded sampling error. We instead model the sampled update as a stochastic operator on the parameter space, which reduces the analysis to a contraction argument that needs…

7. Accurate Sampling from Diffusion Models hep-lat · 24 Sep · 1 hit

   …in spite of an approximate diffusion model and the finite stepsize used in the numerical solution of the stochastic process. Improved update strategies are also investigated. Results are presented for a $Z_2$…

8. Syndrome measurements enable deterministic fault-tolerant $T$ gates quant-ph · 24 Sep · 1 hit

   …distance from above. We realize the mechanism in two circuits that tolerate a single fault under local stochastic circuit noise: a fixed 22-qubit construction admitting recursive error suppression and a direct…