| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT
(2nd) |
2023-12-17
17:00 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
Recursive construction of quantum eigenvalue/singular-value transformation
Kaoru Mizuta (UTokyo), Keisuke Fujii (Osaka Univ.) |
Quantum eigenvalue/singular-value transformation (QET/QSVT) has attracted much interest as grand
uni cation of quantum ... [more] |
|
QIT
(2nd) |
2023-12-17
17:15 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
Quantum circuit for simulating the Schwinger model
Kazuki Sakamoto, Hayata Morisaki, Junichi Haruna (Osaka Univ.), Etsuko Itou (Kyoto Univ./RIKEN), Keisuke Fujii (Osaka Univ./RIKEN), Kosuke Mitarai (Osaka Univ.) |
The Schwinger model is one of the simplest gauge theories. It is known that a topological term of the model leads to the... [more] |
|
QIT
(2nd) |
2023-12-18
12:25 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
SantaQlaus: A resource-efficient method to leverage quantum noise for optimization of variational quantum algorithms
Kosuke Ito (Osaka Univ.), Keisuke Fujii (Osaka Univ./RQC) |
[more] |
|
QIT
(2nd) |
2023-12-18
15:50 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
Quantum Circuit Unoptimization and Its Application to Compiler Benchmark
Yusei Mori (Osaka Univ.), Hideaki Hakoshima (QIQB), Kyohei Sudo (Osaka Univ.), Toshio Mori (QIQB), Kosuke Mitarai (Osaka Univ.), Keisuke Fujii (Osaka Univ./RQC) |
We initiate and construct a quantum algorithmic primitive called quantum circuit unoptimization, which makes a given qua... [more] |
|
QIT
(2nd) |
2023-12-18
16:35 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
Comparative study of decoding the surface code using simulated annealing under depolarizing noise
Yusaku Takeuchi, Yugo Takada, Tatsuya Sakashita (Osaka Univ.), Jun Fujisaki, Hirotaka Oshima, Shintaro Sato (Fujitsu Ltd.), Keisuke Fujii (Osaka Univ.) |
The Minimum Weight Perfect Matching (MWPM) method, a general decoder for surface codes, cannot achieve optimal decoding ... [more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Improving threshold for fault-tolerant color code quantum computing by flagged weight optimization
Yugo Takada (Osaka Univ.), Keisuke Fujii (Osaka Univ./RIKEN) |
Color codes are promising quantum error correction (QEC) codes because they have an advantage against surface codes in t... [more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
How to Map Linear Differential Equations to Schr"{o}dinger Equations via Carleman and Koopman-von Neumann Embeddings for Quantum Algorithms
Yuki Ito (Osaka Univ.), Yu Tanaka (Sony Group), Keisuke Fujii (Osaka Univ./RIKEN) |
Solving differential equations with large degrees of freedom is an important task for scientific and industrial applicat... [more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Quantum-classical hybrid algorithm to construct quantum explicit model from quantum kernel method
Akimoto Nakayama, Hayata Morisaki, Kousuke Mitarai, Keisuke Fujii (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Even more efficient magic state distillation by zero level distillation on the square lattice
Tomohiro Itogawa, Yugo Takada, Yutaka Hirano, Keisuke Fujii (Osaka Univ.) |
One of the major issues facing fault-tolerant quantum computation is the large overhead of magic state distillation(MSD)... [more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance evaluation of decoding with concatenated surface code encoding and soft-decision decoding
Yuki Ichimiya, Keisuke Fujii (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2023-12-17
17:30 |
Okinawa |
OIST
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Option Pricing Method and Performance Evaluation Using Least Squares Monte Carlo Method with Quantum Circuit Learning
Yusuke Kimura, Koichi Miyamoto, Kosuke Mitarai, Keisuke Fujii (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2022-12-09
12:15 |
Kanagawa |
Keio Univ.
(Primary: On-site, Secondary: Online) |
A highly accurate decoding of the surface code using Ising model solver
Yusaku Takeuchi, Keisuke Fujii (Osaka Univ) |
Decoding of surface codes can be done efficiently using minimum-weight perfect matching (MWPM). However, MWPM is not opt... [more] |
|
QIT
(2nd) |
2022-12-08
14:00 |
Kanagawa |
Keio Univ.
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Application of Sequential minimal Optimization Methods to UCCSD ansatz
Yuichiro Tashima (Osaka Univ.), Kosuke Ito, Hideaki Hakoshima (Osaka Univ. QIQB), Kosuke Mitarai, Keisuke Fujii (Osaka Univ.) |
Variational quantum eigensolver (VQE) is expected to be applied to quantum chemical calculations.
This algorithm uses p... [more] |
|
QIT
(2nd) |
2022-12-08
14:00 |
Kanagawa |
Keio Univ.
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Numerical validation of cross-entropy benchmarks under a general noise model
Daisuke Sakurai, Kousuke Mitarai (Osaka Univ), Hideaki Hakoshima (Osaka Univ. QIQB), Keisuke Fujii (Osaka Univ) |
Current quantum computers with tens or hundreds of qubits are becoming increasingly hard to simulate using classical com... [more] |
|
QIT
(2nd) |
2022-05-31
16:20 |
Online |
Online |
Local variational quantum compilation for time evolution of large-scale quantum materials
Kaoru Mizuta (RIKEN), Yuya O. Nakagawa (QunaSys), Kosuke Mitarai, Keisuke Fujii (Osaka Univ.) |
Implementing time evolution operators on quantum computers is their most important task for quan- tum simulation. Here, ... [more] |
|
QIT
(2nd) |
2021-12-01
14:20 |
Online |
Online |
Effective Hamiltonian estimation of superconducting qubits by cross entropy minimization
Moriuchi Kazuma, Mitarai Kousuke (Osaka Univ), Ogawa Kazuhisa (QIQB), Fujii Keisuke (Osaka Univ) |
In order to precisely design quantum operations and quantum analog simulations in quantum computers,it is essential to k... [more] |
|
QIT
(2nd) |
2021-11-30
13:30 |
Online |
Online |
[Poster Presentation]
Simulation of the Quantum Approximation Optimization Algorithm for the MaxCut Problem in Noisy Environments
Yuichiro Nakano, Hideaki Hakoshima, Kousuke Mitarai, Keisuke Fujii (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2021-05-25
09:30 |
Online |
Online |
Acceleration of Extreme Learning Machines by Dequantization of Quantum Singular Value Decomposition
Iori Takeda, Souichi Takahira, Kousuke Mitarai, Keisuke Fujii (Osaka Univ.) |
In 2016, the quantum recommendation system was proposed by Kerenidis and Prakash, and it was shown that the singular val... [more] |
|
QIT
(2nd) |
2020-12-10
14:30 |
Online |
Online |
[Invited Talk]
Applications of NISQ devices for quantum machine learning
Keisuke Fujii (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2020-12-10
15:20 |
Online |
Online |
Comparative study for sampling-based simulation costs of noisy quantum circuits
Shigeo Hakkaku (Osaka Univ.), Keisuke Fujii (Osaka Univ./QIQB/RIKEN) |
[more] |
|