Quantum Many-Body Physics | Ueda Group

Invited Talk at the 14th Workshop on Quantum Many-Body Computation

Fri, 17 Apr 2026 00:00:00 +0000

Hiroshi Ueda delivered an invited talk at the 14th Workshop on Quantum Many-Body Computation held in Beijing, China, from April 10 to 12, 2026.

Title of the talk:

“Variational Quantum Partial SVD with Orthogonality Correction: High-Precision Entanglement Spectra from Shallow Circuits”

The presentation introduced recent developments in hybrid quantum-classical algorithms for entanglement spectrum estimation, variational quantum singular value decomposition, and tensor-network-inspired quantum computation.

The workshop also provided opportunities for discussions on quantum algorithms, tensor networks, and future international collaborations.

Quantum-Inspired Algorithm for Classical Spin Hamiltonians Based on Matrix Product Operators

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Large-scale quantum device benchmarking via LXEB with particle-number-conserving random quantum circuits

Mon, 26 Jan 2026 00:00:00 +0000

TTNOpt: Tree tensor network package for high-rank tensor compression

Thu, 01 Jan 2026 00:00:00 +0000

Diamond-shaped quantum circuit for real-time quantum dynamics in one dimension

Thu, 26 Dec 2024 00:00:00 +0000

Automatic quantum circuit encoding of a given arbitrary quantum state

Thu, 03 Oct 2024 00:00:00 +0000

Explicit quantum surrogates for quantum kernel models

Wed, 07 Aug 2024 00:00:00 +0000

Variational quantum eigensolver with embedded entanglement using a tensor-network ansatz

Tue, 02 Apr 2024 00:00:00 +0000

Extracting a function encoded in amplitudes of a quantum state by tensor network and orthogonal function expansion

Wed, 07 Jun 2023 00:00:00 +0000

Developments in the Tensor Network — from Statistical Mechanics to Quantum Entanglement

Mon, 02 May 2022 00:00:00 +0000

Quantum spin solver near saturation: QS³

Thu, 28 Apr 2022 00:00:00 +0000

Quantum-inspired Search Method for Low-energy States of Classical Ising Hamiltonians

Fri, 15 Apr 2022 00:00:00 +0000

Deep Variational Quantum Eigensolver: A Divide-And-Conquer Method for Solving a Larger Problem with Smaller Size Quantum Computers

Mon, 21 Mar 2022 00:00:00 +0000

Application of Uniform Matrix Product State to Quantum Phase Transition with a Periodicity Change

Sat, 01 Dec 2012 00:00:00 +0000

Incommensurate matrix product state for quantum spin systems

Wed, 01 Aug 2012 00:00:00 +0000

Quantum Entanglement of Tensor Networks with Symmetry Projections

Sun, 01 Apr 2012 00:00:00 +0000

Hyperbolic Deformation on Quantum Lattice Hamiltonians

Thu, 01 Jan 2009 00:00:00 +0000

Two-Site Shift Product Wave Function Renormalization Group Method Applied to Quantum Systems

Sat, 01 Nov 2008 00:00:00 +0000