Publications, Presentations, Awards (last updated: 2024-08-09)

Refereed Journal Papers

• Shintaro Minagawa and Hayato Arai, ''One-shot and asymptotic classical capacity in general physical theories.'' Physical Review A 109, 062416 (2024).
  https://journals.aps.org/pra/abstract/10.1103/PhysRevA.109.062416.


• Hayato Arai Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' New Journal of Physics 26 053046 (2024).
  https://iopscience.iop.org/article/10.1088/1367-2630/ad4d18.


• Hayato Arai and Baichu Yu and Masahito Hayashi, ''Detection of Beyond-Quantum Non-locality based on Standard Local Quantum Observables.'' Letter in Physical Review A 110, L010201 (2024). https://journals.aps.org/pra/abstract/10.1103/PhysRevA.110.L010201.


• Hayato Arai and Masahito Hayashi, , ''Pseudo standard entanglement structure cannot be distinguished from standard entanglement structure.'' New Journal of Physics 25 023009 (2023). https://doi.org/10.1088/1367-2630/acb565.


• Shintaro Minagawa and Hayato Arai and Francesco Buscemi, '' von Neumann's information engine without the spectral theorem.'' Physical Review Research 4, 033091(2022).
  https://doi.org/10.1103/PhysRevResearch.4.033091


• Yuuya Yoshida and Hayato Arai and Masahito Hayashi, ''Perfect Discrimination in Approximate Quantum Theory of General Probabilistic Theories.'' Physical Review Letters, 125(15) 150402 (2020).
  https://doi.org/10.1103/PhysRevLett.125.150402


• Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect discrimination of non-orthogonal separable pure states on bipartite system in general probabilistic theory.'' Journal of Physics A: Mathematical and Theoretical, 52(46) 465304 (2019).
  https://doi.org/10.1088/1751-8121/ab4b64

Thesis

• Hayato Arai, ''The Diversity of Entanglement Structures with Self-Duality and Non-Orthogonal State Discrimination in General Probabilistic Theories.'' arXiv:2302.12361 [quant-ph].

Awards

• Graduate School of Mathematics Award for Masters Thesis (top10%), Nagoya University.


• The 40th Quantum Information Technology Symposium (QIT40) Student Award (top20%), The Institute of Electronics, Information and Communication Engineers, Japan.

Grants and Fellowships

• JSPS Grant-in-Aids for JSPS Research Fellows No. JP22J14947 [Apr.2022-Mar.2024].


• Next Generation Researcher, Nagoya University [Oct.2022-Mar.2023] (supported by JSPS Grant-in-Aid for JST SPRING No. JPMJSP2125).

Scholarships

• Repayment Exemption for Students with Excellent Grades Type I (interest-free) scholarship (Exemption of all of loan)-FY2020-, Japan Student Services Organization (JASSO).


• Repayment Exemption for Students with Excellent Grades Type I (interest-free) scholarship (Exemption of half of loan)-FY2018-, Japan Student Services Organization (JASSO).

Invited Oral Presentations in International Meeting

• ○Hayato Arai, ''Derivation of Quantum Theory with Information Theoretical Approaches in General Probabilistic Theories'' AQIS 2024 Satellite Workshop on Fundamental Aspects of Quantum Information, Sapporo, Japan, August 31--September 1, 2024.


• ○Hayato Arai and Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' Quantum TUT workshop 2024, Toyohashi, Feb. 22, 2024.

Refereed Oral Presentations in International Meeting

• Shintaro Minagawa and ○Hayato Arai, ''One-shot and asymptotic classical capacity in general physical theories.'' Beyond i.i.d. in Information Theory XII, Illinois, USA, July 29--August 2, 2024.


• ○Hayato Arai and Masahito Hayashi, ''Pseudo standard entanglement structure cannot be distinguished from standard entanglement structure.'' Beyond i.i.d. in Information Theory X, online, September 26--30, 2022.


• Yuuya Yoshida and ○Hayato Arai and Masahito Hayashi, ''Perfect discrimination in approximate quantum theory of general probabilistic theories.'' 20th Asian Quantum Information Science Conference (AQIS), online, December 7--9, 2020.


• Yuuya Yoshida and ○Hayato Arai and Masahito Hayashi, ''Perfect discrimination in approximate quantum theory of general probabilistic theories.'' Beyond i.i.d. in Information Theory VIII, online, November 9--13, 2020.


• ○Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory.'' Beyond i.i.d. in Information Theory VII, Sydney, Australia, July 1--5, 2019.

Non-Refereed Oral Presentations in International Meeting

• ○Hayato Arai and Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' Shenzhen–Nagoya Workshop on Quantum Science 2023, Hybrid on Nagoya Japan and Shenzhen China, Sep. 5-8, 2023.


• ○Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory.'' Nagoya-SUSTech Quantum Information Workshop, Nagoya, Japan, Apr. 11-13, 2019.


• ○Hayato Arai, ''Physics as a Physical Phenomenon.'' International & Transdisciplinary Symposium on Advanced Future Studies, Kyoto, Japan, Feb 8--10, 2017.

Refereed Poster Presentations in International Meeting

• Shintaro Minagawa and 〇Hayato Arai, ''One-shot and asymptotic classical capacity in general physical theories.'' 24th Asian Quantum Information Science Conference (AQIS), Sapporo, Japan, August 26--30, 2024.


• 〇Hayato Arai Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' 24th Asian Quantum Information Science Conference (AQIS), Sapporo, Japan, August 26--30, 2024.


• ○Hayato Arai and Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' The 27th Quantum Information Processing (QIP), Taipei, Taiwan, January 13-19, 2024.


• ○Hayato Arai, Baichu Yu, and Masahito Hayashi, ''Detection of Beyond-Quantum Non-locality based on Standard Local Quantum Observables.'' 23rd Asian Quantum Information Science Conference (AQIS), Seoul, Korea, August 28-September 1, 2023.


• ○Hayato Arai and Masahito Hayashi, ''Pseudo standard entanglement structure cannot be distinguished from standard entanglement structure.'' The 26th Quantum Information Processing (QIP), Ghent, Belgium, February 6-10, 2023.


• Yuuya Yoshida and ○Hayato Arai and Masahito Hayashi, ''Perfect discrimination in approximate quantum theory of general probabilistic theories.'' The 24rd Quantum Information Processing (QIP), online February 1-5, 2021.


• Hayato Arai and ○Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory.'' The 23rd Quantum Information Processing (QIP), Shenzhen, China, January 6-10, 2020.


• ○Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory.'' 19th Asian Quantum Information Science Conference (AQIS), Soul, Korea, August 19--23, 2019.

Non-Refereed Poster Presentations in International Meeting

• ○Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory.'' Quantum Information Processing in Non-Markovian Quantum Complex Systems 2019 (QIPQC2019), Nagoya, Japan, December 9--12, 2019.

Non-Refereed Oral Presentations in Domestic Meeting

• ○Hayato Arai and Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' Quantum Foundations 224, Saitama, March 12,13, 2024.


• ○Hayato Arai and Masahito Hayashi, ''Derivation of Standard Quantum Theory via State Discrimination.'' The 47th Quantum Information Technology Symposium (QIT), Okinawa, December 17--19, 2023.


• ○Hayato Arai, Baichu Yu, and Masahito Hayashi, ''Detection of Beyond-Quantum Non-locality based on Standard Local Quantum Observables.'' The 46th Quantum Information Technology Symposium (QIT), Kyoto, May 29-30, 2023.


• ○Hayato Arai and Masahito Hayashi, ''Detection of Beyond-Quantum Non-locality based on Standard Local Quantum Observables.'' 2023 Spring Meeting on The Physical Society of Japan (JPS) , online, March 22-25, 2023.


• ○Hayato Arai and Masahito Hayashi, ''Non-standard entanglement structure of Local unitary self-dual models as a saturated situation of repeatability in General Probabilistic Theories.'' The 45th Quantum Information Technology Symposium (QIT), online, November 30--December 1, 2021.


• ○Shintaro Minagawa and Hayato Arai and Francesco Buscemi, ''Assuming the validity of the second law of thermodynamics in general probabilistic theories -- consequences and constraints on models --.'' The 45th Quantum Information Technology Symposium (QIT), online, November 30--December 1, 2021.


• Yuuya Yoshida and ○Hayato Arai and Masahito Hayashi, ''Perfect Discrimination in Approximate Quantum Theory of General Probabilistic Theories.'' The 43th Quantum Information Technology Symposium (QIT), online, December 10--11, 2020.


• ○Hayato Arai and Yuuya Yoshida and Masahito Hayashi, ''Perfect Discrimination of Non-Orthogonal Separable States in General Probabilistic Theory,'' The 40th Quantum Information Technology Symposium (QIT40), Hukuoka, Japan, May 20--21, 2019. (Recieve ''The 40th Quantum Information Technology Symposium (QIT40) Student Award'')