PP codes and logical bases
Pair-partition constructions using circulant permutation matrices, and their development into qubit codes with low-weight complete canonical logical bases.
Kenta Kasai
Associate Professor, Institute of Science Tokyo
Quantum error correction · Coding theory · Information theory
Research
Kasai codes
Affine-permutation-matrix constructions of regular quantum LDPC codes, with large-girth examples and distance records.
Kasai codes →Research overview
How code construction, distance verification, decoding, and logical operations fit together.
Research overview →Non-binary codes
Finite-field methods for constructing qubit codes and decoding correlated Pauli errors with sum-product algorithms.
Non-binary codes →Other QLDPC constructions
Affine-coset, finite-field two-branch, random, and finite-degree constructions, with links to their papers and data.
Other constructions →Resources
Software, data & benchmarks
Explanations & collaboration
Presentations
Contact
Email: kenta@ict.eng.isct.ac.jp
Room 418, South Building 3, Ookayama Campus, Institute of Science Tokyo
2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
Online seminar and informal research-meeting invitations are welcome. I can accommodate international time zones, except 4:00–7:00 a.m. JST.