Mixing time of open quantum systems via hypocoercivity
Understanding the mixing of open quantum systems is a fundamental problem in physics
and quantum information science. Existing approaches for estimating the mixing time often …
and quantum information science. Existing approaches for estimating the mixing time often …
Quantum-Trajectory-Inspired Lindbladian Simulation
Simulating the dynamics of open quantum systems is a crucial task in quantum computing,
offering wide-ranging applications but remaining computationally challenging. In this paper …
offering wide-ranging applications but remaining computationally challenging. In this paper …
Quantum Algorithms and Lower Bounds for Finite-Sum Optimization
Finite-sum optimization has wide applications in machine learning, covering important
problems such as support vector machines, regression, etc. In this paper, we initiate the …
problems such as support vector machines, regression, etc. In this paper, we initiate the …
On the Computational Complexity of Schr\" odinger Operators
We study computational problems related to the Schr\" odinger operator $ H=-\Delta+ V $ in
the real space under the condition that (i) the potential function $ V $ is smooth and has its …
the real space under the condition that (i) the potential function $ V $ is smooth and has its …
Lagrangian Reformulation for Nonconvex Optimization: Tailoring Problems to Specialized Solvers
In recent years, there has been a surge of interest in studying different ways to reformulate
nonconvex optimization problems, especially those that involve binary variables. This …
nonconvex optimization problems, especially those that involve binary variables. This …
Quantum space-time Poincar\'e inequality for Lindblad dynamics
We investigate the mixing properties of primitive hypocoercive Lindblad dynamics. By
extending the variational framework originally developed for underdamped Langevin …
extending the variational framework originally developed for underdamped Langevin …
Application of Langevin Dynamics to Advance the Quantum Natural Gradient Optimization Algorithm
O Borysenko, M Bratchenko, I Lukin, M Luhanko… - arXiv preprint arXiv …, 2024 - arxiv.org
A Quantum Natural Gradient (QNG) algorithm for optimization of variational quantum circuits
has been proposed recently. In this study, we employ the Langevin equation with a QNG …
has been proposed recently. In this study, we employ the Langevin equation with a QNG …