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1. M. Hayashi, ``Asymptotic quantum estimation theory for the thermal states family,'' in Quantum Communication, Computing, and Measurement, Plenum Publishing, pp.390-394 (2000).

2. F. Sakaguchi and M. Hayashi: On the eigenvector problem and the uncertainty relation with respect to the squeezing parameters of squeezed states. 6th International Conference on Squeezed States and Uncertainty Relations, Complesso Universitario di Monte Sant'Angelo Universit^ a ``Federico II'', Napoli, Italy (1999).

3. M. Hayashi and F. Sakaguchi, ``Subnormal operators regarded as generalized observables and compound-system-type normal extension related to su(1,1),'' Quantum Communication Measurement & Computing 2000, Italy (2000).

4. M. Hayashi and K. Matsumoto, ``Universal concentration, universal teleportation and universal dense coding,'' ERATO Workshop on Quantum Information Science 2001 (EQIS 2001), p.46, Tokyo (2001).

5. T. Ogawa and M. Hayashi, ``A new proof of the direct part of quantum Stein's lemma,'' ERATO Workshop on Quantum Information Science 2001 (EQIS 2001), p.57, Tokyo (2001).

6. Y. Tsuda, K. Matsumoto, and M. Hayashi, ``Disturbance of operation in quantum estimation for noised coherent light,'' ERATO Workshop on Quantum Information Science 2001 (EQIS 2001), p.61, Tokyo (2001).

7. M. Hayashi, ``Quantum universal variable length source code,'' International Conference on Quantum Information: Conceptual Foundations, Developments and Perspectives, p.36, Spain (2002).

8. M. Hayashi, ``Estimation of SU(2) action by using entanglement,'' Proceedings of The 7th International Conference on Quantum Communication, Measurement and Computing, Glasgow, UK, p.269-272 (Ameriacan Institute of Physics, 2004).

9. M. Owari, M. Hayashi, ``Local discrimination: one-way LOCC VS two-way LOCC,'' The Ninth Workshop on Quantum Information Processing, Paris, France, January 16-20, 2006

10. M. Hayashi, K. Iwama, H. Nishimura, R. Raymond, and S. Yamashita, ``2#2-Quantum Random Access Coding Does Not Exist - One qubit is not enough to recover one of four bits -,'' Asian conference on Quantum Information Science 2006 (AQIS 06), BeiJing Friendship Hotel, BeiJing, China, September 1-4, (2006), p. 188-189.

11. M. Owari, M. Hayashi, and K. Matsumoto, ``A computable bounds of deterministic LOCC discrimination in a multipartite system,'' Asian conference on Quantum Information Science 2006 (AQIS 06), BeiJing Friendship Hotel, BeiJing, China, September 1-4, (2006), p. 197-198.

12. M. Hayashi, ``Gallager Bound of Classical-Quantum Channel Coding,'' The Eighth International Conference on Quantum Communication,Measurement and Computing, Tsukuba International Congress Center, Tsukuba, Japan, 28th November - 3rd December, (2006).

13. M. Hayashi, D. Markham, M. Murao, A. Miyake, M. Owari, and S. Virmani, ``Multipartite distance like measure of entanglement for a class of symmetric states,'' The Eighth International Conference on Quantum Communication,Measurement and Computing, Tsukuba International Congress Center, Tsukuba, Japan, 28th November - 3rd December, (2006).

14. H. Imai and M. Hayashi: ``Fourier Analytic Approach to Phase Estimation,'' QIP 2009 The Twelfth Workshop on Quantum Information Processing January 12-16 (2009).

15. H. Imai and M. Hayashi: ``Fourier Analytic Method in Phase Estimation Problem'' QIP 2009 NII-CNRS Project Meeting PART II, NII, Tokyo, Japan, 30th-31st March (2010).

16. H. Zhu, L. Chen, M. Hayashi, “Additivity and non-additivity of multipartite entanglement measures”, The Tenth International Conference on Quantum Communication, Measurement and Computation (QCMC), the University of Queensland, Brisbane, Queensland, Australia from Monday 19 - Friday 23 July (2010).

17. H. Zhu, L. Chen, M. Hayashi, “Additivity and non-additivity of multipartite entanglement measures”, The 10th Asian Conference on Quantum Information Science (AQIS'10), the University of Tokyo, August 27-31, (2010).

18. Huangjun Zhu1, Lin Chen, Masahito Hayashi, “Additivity and non-additivity of multipartite entanglement measures”, Updating Quantum Cryptography and Communications 2010 (UQCC2010) , Tokyo, Japan ,Oct.18-20 (2010).

19. M. Hayashi, T. Tsurumaru, “Tight Security Analysis of the Bennett-Brassard 1984 Protocol with Finite Key Lengths”, Updating Quantum Cryptography and Communications 2010 (UQCC2010) , Tokyo, Japan, Oct.18-20 (2010)

20. D. Akimoto M. Hayashi “Discrimination of transition point in quantum system” , Updating Quantum Cryptography and Communications 2010 (UQCC2010) , Tokyo, Japan, Oct.18-20 (2010)

21. Masahito Hayashi, ”Capacity with energy constraint in coherent state channel” Quantum Information Processing (QIP2011) fourteenth workshop on theoretical aspects of quantum computing, quantum cryptography, and quantum information,Singapore, January 10-14, (2011)

22. Masahito Hayashi, “Comparison between the Cramer-Rao and the mini-max approaches in quantum channel estimation” Quantum Information Processing (QIP2011) fourteenth workshop on theoretical aspects of quantum computing, quantum cryptography, and quantum information,Singapore, January 10-14, (2011)

23. H. Zhu, L. Chen, M. Hayashi, “Additivity and non-additivity of multipartite entanglement measures”, Quantum Information Processing (QIP2011) fourteenth workshop on theoretical aspects of quantum computing, quantum cryptography, and quantum information, Singapore, January 10-14, (2011)

24. Masaki Owari and Masahito Hayashi, “Local hypothesis testing between a pure bipartite state and the white noise state” Quantum Information Processing (QIP2011) fourteenth workshop on theoretical aspects of quantum computing, quantum cryptography, and quantum information, Singapore, January 10-14, (2011)

25. Masaki Owari and Masahito Hayashi, “Asymptotic local hypothesis testing between a pure bipartite state and the completely mixed state”, Quantum Information Processing (QIP2012) fifteenth workshop on theoretical aspects of quantum computing, quantum cryptography, and quantum information, Montreal Canada, December 12-16, (2011)

26. Masahito Hayashi and Toyohiro Tsurumaru, “Concise and Tight Security Analysis of the Bennett-Brassard 1984 Protocol with Finite Key Lengths ”, 2nd Annual conference on Quantum Cryptography (QCRYPT 2012), Singapore, September 10-14, (2012)

27. Masahito Hayashi, “Precise evaluation of leaked information with universal2 privacy amplification in the presence of quantum attacker”, 2nd Annual conference on Quantum Cryptography (QCRYPT 2012), Singapore, September 10-14, (2012)

28. Masahito Hayashi, “Quantum security analysis via smoothing of Renyi entropy of order 2”, 2nd Annual conference on Quantum Cryptography (QCRYPT 2012), Singapore, September 10-14, (2012)

29. Masahito Hayashi, “Quantum wiretap channel with non-uniform random number”, 2nd Annual conference on Quantum Cryptography (QCRYPT 2012), Singapore, September 10-14, (2012)

30. W. Kumagai, and M. Hayashi, “LOCC Conversion for Pure State and LOCC Cloning”, XVII Conference on Quantum Information Processing 2014 (QIP 2014), Barcelona (Spain), February 3-7, 2014.

31. W. Kumagai, and M. Hayashi, “Asymptotics of LOCC Conversion and LOCC Cloning by a New Kind of Probability Distributions,” 14th Asian Quantum Information Science Conference (AQIS2014), Shirankaikan, Kyoto, Japan, 20 - 24, August, 2014. pp.207-208
32. Hiroyasu Tajima and Masahito Hayashi “Refinement of Carnot's Theorem by using quantum information techniques; Asymptotics of Thermodynamics with Finite-Size systems,” 14th Asian Quantum Information Science Conference (AQIS2014), Shirankaikan, Kyoto, Japan, 20 - 24, August, 2014. pp.119-120
33. Wataru Kumagai and Masahito Hayashi, "LOCC Conversion via Entanglement Storage," The 17th workshop on Quantum Information Processing (QIP 2015), Sydney, NSW, Australia, 12-16, January, 2015.
34. Masahito Hayashi and Toyohiro Tsurumaru, "More Efficient Privacy Amplification with Less Random Seeds via Dual Universal Hash Function," The 17th workshop on Quantum Information Processing (QIP 2015), Sydney, NSW, Australia, 12-16, January, 2015.
35. Kosuke Ito, Wataru Kumagai and Masahito Hayashi, "Asymptotic Entanglement Preservability of LOCC Conversions," The 17th workshop on Quantum Information Processing (QIP 2015), Sydney, NSW, Australia, 12-16, January, 2015.
36. Masahito Hayashi and Masaki Owari, "Tight asymptotic bounds on local hypothesis testing between a pure bipartite state and the white noise state," The 17th workshop on Quantum Information Processing (QIP 2015), Sydney, NSW, Australia, 12-16, January, 2015.
37. Masahito Hayashi and Marco Tomamichel "Correlation Detection and an Operational Interpretation of the Renyi Mutual Information," The 17th workshop on Quantum Information Processing (QIP 2015), Sydney, NSW, Australia, 12-16, January, 2015.
38. Masahito Hayashi and Hiroyasu Tajima "Measurement-based Formulation of Quantum Heat Engine," The International Conference on Quantum Communication, Measurement and Computing (QCMC2016) , Singapore, 4-8 July, 2016.
39. Masahito Hayashi, Sai Vinjanampathy and Leong Chuan Kwek "Unitary Estimation with Resource Constraints," The International Conference on Quantum Communication, Measurement and Computing (QCMC2016) , Singapore, 4-8 July, 2016.
40. Hiroyasu Tajima and Masahito Hayashi "Optimal Efficiency of Heat Engines with Finite-Size Heat Baths," The International Conference on Quantum Communication, Measurement and Computing (QCMC2016) , Singapore, 4-8 July, 2016.
41. Masahito Hayashi and Michal Hajdusek" Self-guaranteed measurement-based quantum computation," The International Conference on Quantum Communication, Measurement and Computing (QCMC2016) , Singapore, 4-8 July, 2016.
42. S. Song and M. Hayashi, ``Secure Quantum Network Code without Classical Communication,'' IEEE International Symposium on Information Theory (ISIT2018), Talisa Hotel in Vail, Colorado, USA, June, 17 -- 22, 2018.
43. Y. Yoshida and M. Hayashi, ``Asymptotically Decoupling and Mixing Properties in Quantum System,'' 18th Asian Quantum Information Science Conference, Nagoya, Japan, September 8 - September 12, 2018
44. S. Song and M. Hayashi, ``Secure Quantum Network Code without Classical Communication,'' 18th Asian Quantum Information Science Conference, Nagoya, Japan, September 8 - September 12, 2018
45. H. Zhu and M. Hayashi, ``Secure uniform random-number extraction via incoherent strategies,'' 18th Asian Quantum Information Science Conference, Nagoya, Japan, September 8 - September 12, 2018
46. Y. Yoshida and M. Hayashi, “Necessary and Sufficient Condition of Asymptotic Decoupling for Markovian Quantum Dynamics” 19th Asian Quantum Information Science Conference, Seoul, Korea, August 19 - 23, 2019. (Accepted)
47. H. Arai, Y. Yoshida and M. Hayashi, “Perfect Discrimination of Non-Orthogonal Separable Pure States on Bipartite System in General Probabilistic Theory” 19th Asian Quantum Information Science Conference, Seoul, Korea, August 19 - 23, 2019. (Accepted)
48. M. Hayashi and Y. Chen, “Secrecy and Error Exponents of k-Transmitter Multiple Access Wire-tap Channel” IEEE Information Theory Workshop (ITW2019), Visby, Gotland, Sweden, August 25 - 28, 2019. (Accepted)