Curriculum Vitae
Date & Place of Birth  April 18 ,1978  Yokohama, JAPAN 

Education  April 2006  March 2009  Yokohama National University (PhD) 

March 2009  Degree, Doctor of Engineering "Limit theorems for quantum walks with multistate" Superviser / Norio Konno 
Work Experience  April 2009  March 2011  Department of Value and Decision Science, Tokyo Institute Technology, Project research fellow 

April 2011  March 2012  Department of Mathematical Informatics, University of Tokyo, Project research fellow 

April 2012July 2014  Collaborative Mathematics Reserch Unit, Graduate School of Information Science, Tohoku University Assistant professor 

August 2014  International Liaison Office, Graduate School of Information Science, Tohoku University Associate professor 
Publications
 T.Endo, N.Konno, E.Segawa, and M.Takei,
 A onedimensional Hadamard walk with one defect,
Yokohama Mathematical Journal 60 (2015), 4990. A.Ichihara, L.Matsuoka, E.Segawa and K.Yokoyama,
 Isotopeselective dissociation of diatomic molecules by terahertz optical pulses,
Physical Review A 91, 043404 (2015). E.Segawa,
 Spectral properties of weighted line digraphs,
RIMS Kokyuroku 1956 (2015) 1628. arXiv:1506.02855 E.Segawa and A.Suzuki,
 Generator of an abstract quantum walk,
accepted for publication to Quantum Studies: Mathematics and Foundations 3 (2016), 1130.
DOI: 10.1007/s4050901600701. arXiv:1508.07473 K.Matsue, O.Ogurisu and E.Segawa,
 Quantum walks on simplicial complexes,
Quantum Information Processing, 15, 18651896.
DOI10.1007/s1112801612476. arXiv:1507.01194 S.Endo, T.Endo, N.Konno, E.Segawa, and M.Takei,
 Limit theorems of a twophase quantum walk with one defect,
Quantum Information and Computation 15 (2015) 1373–1396,
arXiv:1409.8134 S.Endo, T.Endo, N.Konno, E.Segawa, and M.Takei,
 Weak limit theorem of a twophase quantum walk with one defect,
accepted for publication to Interdisciplinary Information Sciences,
arXiv:1412.4309 T. Machida and E. Segawa,
 Trapping and spreading properties of quantum walk in homological structure,
Quantum Information Processing 14 (2015) 15391558.
arXiv:1405.1487 Yu.Higuchi, N.Konno, I.Sato and E.Segawa,
 Spectral and asymptotic properties of Grover walks on crystal lattices,
Journal of Functional Analysis 267 (2014) 4197–4235.
arXiv:1401.0154 Y.Higuchi, N.Konno, I.Sato and E.Segawa,
 A remark on zeta functions of finite graphs via quantum walks,
Pacific Journal of MathforIndustry 6 (2014) 73—84.
arXiv:1404.1553 Y.Ide, N.Konno, E.Segawa and X.P. Xu,
 Localization of discrete time quantum walks on the glued trees,
Special Issue "Advances in Information Theory" 16 (2014), 15011514,
doi:10.3390/e16031501, arXiv:1312.114 N. Konno, E. Segawa,
 Onedimensional quantum walks via generating function and the CGMV method,
Quantum Information Computation 14 (2014) 11651186,
arXiv:1305.1722 Yu. Higuchi, N. Konno, I. Sato and E. Segawa,
 A note on the discretetime evolutions of quantum walk on a graph,
Journal of MathforIndustry, 5 (2013), 103109,
arXiv:1207.4987 Yu. Higuchi, N. Konno, I. Sato and E. Segawa,
 Quantum graph walks II: quantum walks on covering graphs,
Yokohama Mathematical Journal 59 (2013), 5790,
arXiv:1211.4719 Yu. Higuchi, N. Konno, I. Sato and E. Segawa,
 Quantum graph walks I: mapping to quantum walks,
Yokohama Mathematical Journal 59 (2013), 3456,
arXiv:1211.0803 Norio Konno and Etsuo Segawa,
 Weak convergence of complexvalued measure for biproduct path space induced by quantum walk,
Yokohama Mathematical Journal 59 (2013), 113,
arXiv:1208.6089 Norio Konno, Nobuaki Obata and Etsuo Segawa,
 Localization of the Grover walks on spidernets and free Meixner laws,
Communications in Mathematical Physics, 322 (2013) 667695,
arXiv:1206.4422 N.Konno and E.Segawa,
 On the entropy of decoherence matrix for quantum walks,
Yokohama Mathematical Journal 58 (2012), 6578,
arXiv:1202.1376. E.Segawa,
 Localization of quantum walks induced by recurrence properties of random walks,
Journal of Computational and Theoretical Nanoscience:
Special Issue: "Theoretical and Mathematical Aspects of the Discrete Time Quantum Walk",10 (2013), 15831590,
arXiv:1112.4982. Y.Ide, N.Konno and E.Segawa,
 Time averaged distribution of a discretetime quantum walk on the path,
Quantum Information Processing,11 (2012) 12071218, arXiv:1112.4036. N.Konno, T.Luczak and E.Segawa,
 Limit measures of inhomogeneous discretetime quantum walks in one dimension,
Quantum Information Processing,12 (2013) 3353,
arXiv:1107.4462. K. Chisaki, N.Konno and E.Segawa,
 Limit theorems for the discretetime quantum walk on a graph with joined half lines,
Quantum Information Computation 12, 0314333(2012),
arXiv:1009.1306 Y.Ide, N.Konno, T.Machida and E.Segawa,
 Return probability of timedependent discretetime quantum walks on the line,
Quantum Information Computation 11,07610773(2011),
arXiv:1103.1180 K.Chisaki, N.Konno, E.Segawa and Y.Shikano,
 Crossovers induced by discretetime quantum walks,
Quantum Information and Computation 11,07410760(2011),
arXiv:1009.2131 N.Konno and E.Segawa,
 Localization of discretetime quantum walks on a half line via the CGMV method,
Quantum Information Computation 11,04850495(2011),
arXiv:1008.5109 Y.Shikano, K.Chisaki, E.Segawa and N.Konno,
 Emergence of randomness and arrow of time in quantum walks,
Physical Review A 81,062129(2010),
arXiv:1001.3989 K.Chisaki, M.Hamada, N.Konno and E.Segawa,
 Limit Theorems for quantum walks on trees,
Interdisciplinary Information Sciences 15,423429(2009),
arXiv:0903.4508 E.Segawa and N.Konno,
 Limit theorems for quantum walks driven by many coins,
International Journal of Quantum Information 6,12311243(2008),
arXiv:0807.5074 N.Inui, N.Konno and E.Segawa,
 Onedimensional threestate quantum walk,
Physical Review E 72,056112(2005),
arXiv:quantph/0507207 M.Hamada, N.Konno and E.Segawa,
 Relation between coined quantum walks and quantum cellular automata,
RIMS Kokyuroku 1422,111(2005),
arXiv:quantph/0408100