Hiroshi Imai - Publications

Affiliations: 
Information Science and Technology The University of Tokyo, Bunkyō-ku, Tōkyō-to, Japan 

51 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Oliveira FS, Hiraishi H, Imai H. FPT Algorithms to Enumerate and Count Acyclic and Totally Cyclic Orientations Electronic Notes in Theoretical Computer Science. 346: 655-666. DOI: 10.1016/J.Entcs.2019.08.057  0.368
2018 Hiraishi H, Imai H, Iwata Y, Lin B. Parameterized Algorithms to Compute Ising Partition Function Ieice Transactions On Fundamentals of Electronics, Communications and Computer Sciences. 101: 1398-1403. DOI: 10.1587/Transfun.E101.A.1398  0.34
2016 Baffier J, Suppakitpaisarn V, Hiraishi H, Imai H. Parametric multiroute flow and its application to multilink-attack network Discrete Optimization. 22: 20-36. DOI: 10.1016/J.Disopt.2016.05.002  0.318
2015 Chalermsook P, Imai H, Suppakitpaisarn V. Two lower bounds for shortest double-base number system Ieice Transactions On Fundamentals of Electronics, Communications and Computer Sciences. 1310-1312. DOI: 10.1587/Transfun.E98.A.1310  0.305
2012 Matsumoto Y, Moriyama S, Imai H, Bremner D. Matroid Enumeration for Incidence Geometry Discrete and Computational Geometry. 47: 17-43. DOI: 10.1007/S00454-011-9388-Y  0.349
2005 Ishizeki T, Nakayama H, Imai H. Numbers Of Primal And Dual Bases Of Network Flow And Unimodular Integer Programs Journal of the Operations Research Society of Japan. 48: 183-195. DOI: 10.15807/Jorsj.48.183  0.328
2003 Kobara K, Imai H. On the one-wayness against chosen-plaintext attacks of the Loidreau's modified McEliece PKC Ieee Transactions On Information Theory. 49: 3160-3168. DOI: 10.1109/Tit.2003.820016  0.314
2003 Yamasaki T, Kobayashi H, Imai H. Analysis of absorbing times of quantum walks Physical Review A. 68: 12302. DOI: 10.1103/Physreva.68.012302  0.304
2002 Shimoura H, Nishimura S, Tenmoku K, Iwamoto T, Ishizeki T, Kobayashi H, Imai H. Platoon Matching and Travel Time Estimation based on Vehicle Alignment Ieej Transactions On Industry Applications. 122: 359-365. DOI: 10.1541/Ieejias.122.359  0.302
2002 Imai H, Masada T, Takeuchi F, Imai K. Enumerating Triangulations In General Dimensions International Journal of Computational Geometry and Applications. 12: 455-480. DOI: 10.1142/S0218195902000980  0.363
2002 Niwa J, Matsumoto K, Imai H. General-purpose parallel simulator for quantum computing Physical Review A. 66: 62317. DOI: 10.1103/Physreva.66.062317  0.339
2002 Yamasaki T, Kobayashi H, Imai H. An Analysis of Absorbing Times of Quantum Walks Lecture Notes in Computer Science. 315-330. DOI: 10.1007/3-540-45833-6_26  0.333
2002 Niwa J, Matsumoto K, Imai H. General-Purpose Parallel Simulator for Quantum Computing Lecture Notes in Computer Science. 230-251. DOI: 10.1007/3-540-45833-6_20  0.339
2000 Asano Y, Imai H. Practical Efficiency Of The Linear-Time Algorithm For The Single Source Shortest Path Problem Journal of the Operations Research Society of Japan. 43: 431-447. DOI: 10.15807/Jorsj.43.431  0.356
2000 Park N, Okano H, Imai H. A Path-Exchange-Type Local Search Algorithm For Vehicle Routing And Its Efficient Search Strategy Journal of the Operations Research Society of Japan. 43: 197-208. DOI: 10.15807/Jorsj.43.197  0.308
2000 Matsumoto T, Sadakane K, Imai H. Biological sequence compression algorithms. Genome Informatics. 11: 43-52. DOI: 10.11234/Gi1990.11.43  0.314
1999 Imai K, Imai H, Tokuyama T. Maximin Location Of Convex Objects In A Polygon And Related Dynamic Voronoi Diagrams Journal of the Operations Research Society of Japan. 42: 45-58. DOI: 10.15807/Jorsj.42.45  0.551
1999 Doi K, Imai H. A Greedy Algorithm for Minimizing the Number of Primers in Multiple PCR Experiments. Genome Informatics. 10: 73-82. DOI: 10.11234/Gi1990.10.73  0.327
1999 Kobayashi H, Imai H. An EM-type Algorithm for Ordered Restriction Map Alignment Genome Informatics. 10: 62-72. DOI: 10.11234/Gi1990.10.62  0.325
1999 Ikeda T, Imai H. Enhanced A algorithms for multiple alignments: optimal alignments for several sequences and k -opt approximate alignments for large cases Theoretical Computer Science. 210: 341-374. DOI: 10.1016/S0304-3975(98)00093-0  0.395
1998 Kobayashi H, Imai H. Improvement of the A(*) Algorithm for Multiple Sequence Alignment. Genome Informatics. 9: 120-130. DOI: 10.11234/Gi1990.9.120  0.379
1998 Imai K, Imai H. Dynamic weighted Voronoi diagrams and weighted minimax matching of two corresponding point sets Optimization Methods & Software. 10: 261-274. DOI: 10.1080/10556789808805714  0.313
1998 Hakata K, Imai H. Algorithms for the longest common subsequence problem for multiple strings based on geometric maxima Optimization Methods & Software. 10: 233-260. DOI: 10.1080/10556789808805713  0.385
1997 Shibuya T, Imai H. New flexible approaches for multiple sequence alignment. Journal of Computational Biology. 4: 385-413. PMID 9278067 DOI: 10.1089/Cmb.1997.4.385  0.347
1997 Doi K, Imai H. Greedy Algorithms for Finding a Small Set of Primers Satisfying Cover and Length Resolution Conditions in PCR Experiments. Genome Informatics. 8: 43-52. DOI: 10.11234/Gi1990.8.43  0.363
1996 Dai Y, Imai H, Iwano K, Katoh N, Ohtsuka K, Yoshimura N. A new unifying heuristic algorithm for the undirected minimum cut problems using minimum range cut algorithms Discrete Applied Mathematics. 65: 167-190. DOI: 10.1016/0166-218X(95)00034-O  0.396
1995 Imai H, Ikeda T. k-Group Multiple Alignment Based on A* Search Genome Informatics. 6: 9-18. DOI: 10.11234/Gi1990.6.9  0.32
1994 Ikeda T, Imai H. Fast A Algorithms for Multiple Sequence Alignment Genome Informatics. 5: 90-99. DOI: 10.11234/Gi1990.5.90  0.394
1993 Houle ME, Imai H, Imai K, Robert J, Yamamoto P. Orthogonal weighted linear L 1 and L ∞ approximation and applications Discrete Applied Mathematics. 43: 217-232. DOI: 10.1016/0166-218X(93)90113-3  0.323
1992 Imai H, Lee DT, Yang C. 1-Segment Center Problems Informs Journal On Computing. 4: 426-434. DOI: 10.1287/Ijoc.4.4.426  0.341
1992 Hakata K, Imai H. Algorithms for the Longest Common Subsequence Problem Genome Informatics. 3: 53-56. DOI: 10.11234/Gi1990.3.53  0.357
1991 Aggarwal A, Imai H, Katoh N, Suri S. Finding k points with minimum diameter and related problems Journal of Algorithms. 12: 38-56. DOI: 10.1016/0196-6774(91)90022-Q  0.353
1991 Hasegawa S, Imai H, Hakata K. An Analysis of Randomized Shear Sort on the Mesh Computer Rundbrief Der Gi-Fachgruppe 5.10 Informationssystem-Architekturen. 219-228. DOI: 10.1007/3-540-54945-5_66  0.329
1990 Rappaport D, Imai H, Toussaint GT. Computing simple circuits from a set of line segments Discrete &Amp; Computational Geometry. 5: 289-304. DOI: 10.1007/Bf02187791  0.31
1989 Imai H, Kato K, Yamamoto P. A linear-time algorithm for linear L 1 approximation of points Algorithmica. 4: 77-96. DOI: 10.1007/Bf01553880  0.361
1988 Imai H, Iri M. Polygonal Approximations of a Curve — Formulations and Algorithms Machine Intelligence and Pattern Recognition. 6: 71-86. DOI: 10.1016/B978-0-444-70467-2.50011-4  0.387
1988 Avis D, Bhattacharya BK, Imai H. Computing the volume of the union of spheres The Visual Computer. 3: 323-328. DOI: 10.1007/Bf01901190  0.344
1987 Imai H. Extensions Of The Multiplicative Penalty Function Method For Linear Programming Journal of the Operations Research Society of Japan. 30: 160-180. DOI: 10.15807/Jorsj.30.160  0.379
1987 Imai H, Asano T. Dynamic orthogonal segment intersection search Journal of Algorithms. 8: 1-18. DOI: 10.1016/0196-6774(87)90024-1  0.387
1987 Asano T, Imai H. Shortest path between two simple polygons Information Processing Letters. 24: 285-288. DOI: 10.1016/0020-0190(87)90150-5  0.384
1986 Imai H. Worst-Case Analysis For Planar Matching And Tour Heuristics With Bucketing Techniques And Spacefilling Curves Journal of the Operations Research Society of Japan. 29: 43-68. DOI: 10.15807/Jorsj.29.43  0.322
1986 Asano T, Asano T, Imai H. Partitioning a polygonal region into trapezoids Journal of the Acm. 33: 290-312. DOI: 10.1145/5383.5387  0.366
1986 Imai H, Asano T. Efficient algorithms for geometric graph search problems Siam Journal On Computing. 15: 478-494. DOI: 10.1137/0215033  0.346
1986 Imai H, Iri M. Computational-geometric methods for polygonal approximations of a curve Graphical Models \/Graphical Models and Image Processing \/Computer Vision, Graphics, and Image Processing. 36: 31-41. DOI: 10.1016/S0734-189X(86)80027-5  0.403
1986 Iri M, Imai H. A multiplicative barrier function method for linear programming Algorithmica. 1: 455-482. DOI: 10.1007/Bf01840457  0.358
1985 Imai H, Iri M, Murota K. Voronoi Diagram In The Laguerre Geometry And Its Applications Siam Journal On Computing. 14: 93-105. DOI: 10.1137/0214006  0.369
1985 Asano T, Edahiro M, Imai H, Iri M, Murota K. Practical use of Bucketing Techniques in Computational Geometry Machine Intelligence and Pattern Recognition. 2: 153-195. DOI: 10.1016/B978-0-444-87806-9.50011-6  0.334
1984 Imai H, Iri M. Practical Efficiencies Of Existing Shortest-Path Algorithms And A New Bucket Algorithm Journal of the Operations Research Society of Japan. 27: 43-58. DOI: 10.15807/Jorsj.27.43  0.338
1983 Imai H. On The Practical Efficiency Of Various Maximum Flow Algorithms Journal of the Operations Research Society of Japan. 26: 61-83. DOI: 10.15807/Jorsj.26.61  0.313
1983 Imai H. Network-Flow Algorithms For Lower-Truncated Transversal Polymatroids Journal of the Operations Research Society of Japan. 26: 186-211. DOI: 10.15807/Jorsj.26.186  0.382
1983 Imai H, Asano T. Finding the connected components and a maximum clique of an intersection graph of rectangles in the plane Journal of Algorithms. 4: 310-323. DOI: 10.1016/0196-6774(83)90012-3  0.367
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