Publications of Takehiro ITO



Refereed Papers in Journals

  1. Hiroki Osawa, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    The Complexity of (List) Edge-Coloring Reconfiguration Problem,
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, to appear.

  2. Takashi Horiyama, Takehiro Ito, Keita Nakatsuka, Akira Suzuki and Ryuhei Uehara,
    Complexity of Tiling a Polygon with Trominoes or Bars,
    Discrete & Computational Geometry, Vol. 58, Issue 3, pp. 686-704, October 2017.

  3. Haruka Mizuta, Takehiro Ito and Xiao Zhou,
    Reconfiguration of Steiner Trees in an Unweighted Graph,
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E100-A, No. 7, pp. 1532-1540, July 2017.

  4. Takehiro Ito, Naonori Kakimura, Naoyuki Kamiyama, Yusuke Kobayashi and Yoshio Okamoto,
    Efficient Stabilization of Cooperative Matching Games,
    Theoretical Computer Science, Vol. 677, pp. 69-82, May 2017.

  5. Yusuke Aoki, Bjarni V. Halldórsson, Magnús M. Halldórsson, Takehiro Ito, Christian Konrad and Xiao Zhou,
    The Minimum Vulnerability Problem on Specific Graph Classes,
    Journal of Combinatorial Optimization, Vol. 32, Issue 4, pp. 1288-1304, November 2016.

  6. Arash Haddadan, Takehiro Ito, Amer E. Mouawad, Naomi Nishimura, Hirotaka Ono, Akira Suzuki and Youcef Tebbal,
    The Complexity of Dominating Set Reconfiguration,
    Theoretical Computer Science, Vol. 651, pp. 37-49, October 2016.

  7. Takehiro Ito, Hiroyuki Nooka and Xiao Zhou,
    Reconfiguration of Vertex Covers in a Graph,
    IEICE Trans. on Information and Systems, Vol. E99-D, No. 3, pp. 598-606, March 2016.

  8. Takehiro Ito, Shin-ichi Nakano, Yoshio Okamoto, Yota Otachi, Ryuhei Uehara, Takeaki Uno and Yushi Uno,
    A Polynomial-Time Approximation Scheme for the Geometric Unique Coverage Problem on Unit Squares,
    Computational Geometry: Theory and Applications, Vol. 51, pp. 25-39, January 2016.

  9. Erik D. Demaine, Martin L. Demaine, Eli Fox-Epstein, Duc A. Hoang, Takehiro Ito, Hirotaka Ono, Yota Otachi, Ryuhei Uehara and Takeshi Yamada,
    Linear-Time Algorithm for Sliding Tokens on Trees,
    Theoretical Computer Science, Vol. 600, pp. 132-142, October 2015.

  10. Katsuhisa Yamanaka, Erik D. Demaine, Takehiro Ito, Jun Kawahara, Masashi Kiyomi, Yoshio Okamoto, Toshiki Saitoh, Akira Suzuki, Kei Uchizawa and Takeaki Uno,
    Swapping Labeled Tokens on Graphs,
    Theoretical Computer Science, Vol. 586, pp. 81-94, June 2015.

  11. Yuma Tamura, Takehiro Ito and Xiao Zhou,
    Algorithms for the Independent Feedback Vertex Set Problem,
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E98-A, No. 6, pp. 1179-1188, June 2015.

  12. Tatsuhiko Hatanaka, Takehiro Ito and Xiao Zhou,
    The List Coloring Reconfiguration Problem for Bounded Pathwidth Graphs,
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E98-A, No. 6, pp. 1168-1178, June 2015.

  13. Takashi Hasegawa, Takehiro Ito, Akira Suzuki and Xiao Zhou,
    Experimental Evaluations of Dynamic Algorithm for Maintaining Shortest-Paths Trees on Real-World Networks,
    Interdisciplinary Information Sciences, Vol. 21, No. 1, pp. 25-35, March 2015.

  14. Jinhee Chun, Takashi Horiyama, Takehiro Ito, Natsuda Kaothanthong, Hirotaka Ono, Yota Otachi, Takeshi Tokuyama, Ryuhei Uehara and Takeaki Uno,
    Base-Object Location Problems for Base-Monotone Regions,
    Theoretical Computer Science, Vol. 555, pp. 71-84, October 2014.

  15. Kei Uchizawa, Takanori Aoki, Takehiro Ito and Xiao Zhou,
    Generalized Rainbow Connectivity of Graphs,
    Theoretical Computer Science, Vol. 555, pp. 35-42, October 2014.

  16. Takehiro Ito and Erik D. Demaine,
    Approximability of the Subset Sum Reconfiguration Problem, (erratum)
    Journal of Combinatorial Optimization, Vol. 28, Issue 3, pp. 639-654, October 2014.

  17. Yuichi Asahiro, Hiroshi Eto, Takehiro Ito and Eiji Miyano,
    Complexity of Finding Maximum Regular Induced Subgraphs with Prescribed Degree,
    Theoretical Computer Science, Vol. 550, pp. 21-35, September 2014.

  18. Takehiro Ito, Shin-ichi Nakano, Yoshio Okamoto, Yota Otachi, Ryuhei Uehara, Takeaki Uno and Yushi Uno,
    A 4.31-Approximation for the Geometric Unique Coverage Problem on Unit Disks,
    Theoretical Computer Science, Vol. 544, pp. 14-31, August 2014.

  19. Takehiro Ito, Kazuto Kawamura, Hirotaka Ono and Xiao Zhou,
    Reconfiguration of List L(2,1)-Labelings in a Graph,
    Theoretical Computer Science, Vol. 544, pp. 84-97, August 2014.

  20. Taku Okada, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    On the Minimum Caterpillar Problem in Digraphs,
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E97-A, No. 3, pp. 848-857, March 2014.

  21. Kei Uchizawa, Takanori Aoki, Takehiro Ito, Akira Suzuki and Xiao Zhou,
    On the Rainbow Connectivity of Graphs: Complexity and FPT Algorithms,
    Algorithmica, Vol. 67, Issue 2, pp. 161-179, October 2013.

  22. Takehiro Ito, Yuichiro Miyamoto, Hirotaka Ono, Hisao Tamaki and Ryuhei Uehara,
    Route-Enabling Graph Orientation Problems,
    Algorithmica, Vol. 65, Issue 2, pp. 317-338, February 2013.

  23. Takehiro Ito, Takuya Hara, Xiao Zhou and Takao Nishizeki,
    Minimum Cost Partitions of Trees with Supply and Demand,
    Algorithmica, Vol. 64, Issue 3, pp. 400-415, November 2012.

  24. Takehiro Ito, Marcin Kamiński and Erik D. Demaine,
    Reconfiguration of List Edge-Colorings in a Graph,
    Discrete Applied Mathematics, Vol. 160, Issue 15, pp. 2199-2207, October 2012.

  25. Takehiro Ito, Takao Nishizeki, Michael Schröder, Takeaki Uno and Xiao Zhou,
    Partitioning a Weighted Tree into Subtrees with Weights in a Given Range,
    Algorithmica, Vol. 62, Issues 3-4, pp. 823-841, April 2012.

  26. Takehiro Ito, Kazuto Kawamura and Xiao Zhou,
    An Improved Sufficient Condition for Reconfiguration of List Edge-Colorings in a Tree,
    IEICE Trans. on Information and Systems, Vol. E95-D, No. 3, pp. 737-745, March 2012.

  27. Takehiro Ito, Marcin Kamiński, Daniël Paulusma and Dimitrios M. Thilikos,
    Parameterizing Cut Sets in a Graph by the Number of Their Components,
    Theoretical Computer Science, Vol. 412, Issue 45, pp. 6340-6350, October 2011.

  28. Takehiro Ito, Marcin Kamiński, Daniël Paulusma and Dimitrios M. Thilikos,
    On Disconnected Cuts and Separators,
    Discrete Applied Mathematics, Vol. 159, Issue 13, pp. 1345-1351, August 2011.

  29. Takehiro Ito, Erik D. Demaine, Nicholas J. A. Harvey, Christos H. Papadimitriou, Martha Sideri, Ryuhei Uehara and Yushi Uno,
    On the Complexity of Reconfiguration Problems,
    Theoretical Computer Science, Vol. 412, Issues 12-14, pp. 1054-1065, March 2011.

  30. Takehiro Ito, Naoki Sakamoto, Xiao Zhou and Takao Nishizeki,
    Minimum Cost Edge-Colorings of Trees Can be Reduced to Matchings,
    IEICE Trans. on Information and Systems, Vol. E94-D, No. 2, pp. 190-195, February 2011.

  31. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning Graphs of Supply and Demand,
    Discrete Applied Mathematics, Vol. 157, Issue 12, pp. 2620-2633, June 2009.
    (Special issue of Second Workshop on Graph Classes, Optimization, and Width Parameters, 2005)

  32. Takehiro Ito, Erik D. Demaine, Xiao Zhou and Takao Nishizeki,
    Approximability of Partitioning Graphs with Supply and Demand,
    Journal of Discrete Algorithms, Vol. 6, No. 4, pp. 627-650, 2008.

  33. Takehiro Ito, Akira Kato, Xiao Zhou and Takao Nishizeki,
    Algorithms for Finding Distance-Edge-Colorings of Graphs,
    Journal of Discrete Algorithms, Vol. 5, No. 2, pp. 304-322, 2007.

  34. Takehiro Ito, Kazuya Goto, Xiao Zhou and Takao Nishizeki,
    Partitioning a Multi-Weighted Graph to Connected Subgraphs of Almost Uniform Size,
    IEICE Trans. on Information and Systems, Vol. E90-D, No. 2, pp. 449-456, 2007.

  35. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning a Graph of Bounded Tree-Width to Connected Subgraphs of Almost Uniform Size,
    Journal of Discrete Algorithms, Vol. 4, No. 1, pp. 142-154, 2006.

  36. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning Trees of Supply and Demand,
    International Journal of Foundations of Computer Science, Vol. 16, No. 4, pp. 803-827, 2005.
    (This paper received Noguchi Incentive Award.)

  37. Takehiro Ito, Takao Nishizeki and Xiao Zhou,
    Algorithms for Multicolorings of Partial k-Trees,
    IEICE Trans. on Information and Systems, Vol. E86-D, No. 2, pp. 191-200, 2003.
    (This paper received the TELECOM System Technology Award for Student.)




Refereed Papers in International Conferences

  1. Tatsuhiko Hatanaka, Takehiro Ito and Xiao Zhou,
    The Coloring Reconfiguration Problem on Specific Graph Classes,
    in Proceedings of the 11th Annual International Conference on Combinatorial Optimization and Applications (COCOA 2017),
    to appear.

  2. Takehiro Ito, Naonori Kakimura and Yusuke Kobayashi,
    Complexity of the Multi-Service Center Problem,
    in Proceedings of the 28th International Symposium on Algorithms and Computation (ISAAC 2017),
    to appear.

  3. Hiroki Osawa, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    Complexity of Coloring Reconfiguration under Recolorability Constraints,
    in Proceedings of the 28th International Symposium on Algorithms and Computation (ISAAC 2017),
    to appear.

  4. Takehiro Ito, Naonori Kakimura, Naoyuki Kamiyama, Yusuke Kobayashi, Yoshio Okamoto and Taichi Shiitada,
    Tight Approximability of the Server Allocation Problem for Real-Time Applications,
    in Proceedings of the 3rd International Workshop on Algorithmic Aspects of Cloud Computing (ALGOCLOUD 2017),
    to appear.

  5. Tatsuhiko Hatanaka, Takehiro Ito and Xiao Zhou,
    Parameterized Complexity of the List Coloring Reconfiguration Problem with Graph Parameters,
    in Proceedings of the 42nd International Symposium on Mathematical Foundations of Computer Science (MFCS 2017),
    to appear.

  6. Takehiro Ito, Naonori Kakimura, Naoyuki Kamiyama, Yusuke Kobayashi and Yoshio Okamoto,
    Reconfiguration of Maximum-Weight b-Matchings in a Graph,
    in Proceedings of the 23rd Annual International Computing and Combinatorics Conference (COCOON 2017),
    Lecture Notes in Computer Science, Vol. 10392, pp. 287-296, 2017.
    (Hong Kong, China, August 3-5, 2017: Our presentation was on August 4.)

  7. Hiroki Osawa, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    The Complexity of (List) Edge-Coloring Reconfiguration Problem,
    in Proceedings of the 11th International Conference and Workshops on Algorithms and Computation (WALCOM 2017),
    Lecture Notes in Computer Science, Vol. 10167, pp. 347-358, 2017.
    (Hsinchu, Taiwan, March 29-31, 2017: Our presentation was on March 30.)

  8. Hiroshi Eto, Takehiro Ito, Zhilong Liu and Eiji Miyano,
    Approximation Algorithm for the Distance-3 Independent Set Problem on Cubic Graphs,
    in Proceedings of the 11th International Conference and Workshops on Algorithms and Computation (WALCOM 2017),
    Lecture Notes in Computer Science, Vol. 10167, pp. 228-240, 2017.
    (Hsinchu, Taiwan, March 29-31, 2017: Our presentation was on March 30.)

  9. Hiroshi Eto, Takehiro Ito, Zhilong Liu and Eiji Miyano,
    Approximability of the Distance Independent Set Problem on Regular Graphs and Planar Graphs,
    in Proceedings of the 10th Annual International Conference on Combinatorial Optimization and Applications (COCOA 2016),
    Lecture Notes in Computer Science, Vol. 10043, pp. 270-284, 2016.
    (Hong Kong, China, December 16-18, 2016: Our presentation was on December 17.)

  10. Haruka Mizuta, Takehiro Ito and Xiao Zhou,
    Reconfiguration of Steiner Trees in an Unweighted Graph,
    in Proceedings of the 27th International Workshop on Combinatorial Algorithms (IWOCA 2016),
    Lecture Notes in Computer Science, Vol. 9843, pp. 163-175, 2016.
    (Helsinki, Finland, August 17-19, 2016: Our presentation was on August 17.)

  11. Takehiro Ito, Naonori Kakimura, Naoyuki Kamiyama, Yusuke Kobayashi and Yoshio Okamoto,
    Efficient Stabilization of Cooperative Matching Games,
    in Proceedings of the 15th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2016),
    pp. 41-49, 2016.
    (Singapore, May 9-13, 2016: Our presentation was on May 11.)

  12. Takehiro Ito, Yota Otachi, Toshiki Saitoh, Hisayuki Satoh, Akira Suzuki, Kei Uchizawa, Ryuhei Uehara, Katsuhisa Yamanaka and Xiao Zhou,
    Competitive Diffusion on Weighted Graphs,
    in Proceedings of the 14th Algorithms and Data Structures Symposium (WADS 2015),
    Lecture Notes in Computer Science, Vol. 9214, pp. 422-433, 2015.
    (Victoria, BC, Canada, August 5-7, 2015: Our presentation was on August 6.)

  13. Arash Haddadan, Takehiro Ito, Amer E. Mouawad, Naomi Nishimura, Hirotaka Ono, Akira Suzuki and Youcef Tebbal,
    The Complexity of Dominating Set Reconfiguration,
    in Proceedings of the 14th Algorithms and Data Structures Symposium (WADS 2015),
    Lecture Notes in Computer Science, Vol. 9214, pp. 398-409, 2015.
    (Victoria, BC, Canada, August 5-7, 2015: Our presentation was on August 5.)

  14. Takehiro Ito, Hirotaka Ono and Yota Otachi,
    Reconfiguration of Cliques in a Graph,
    in Proceedings of the 12th Annual Conference on Theory and Applications of Models of Computation (TAMC 2015),
    Lecture Notes in Computer Science, Vol. 9076, pp. 212-223, 2015.
    (Singapore, May 18-20, 2015: Our presentation was on May 19.)

  15. Tatsuhiko Hatanaka, Takehiro Ito and Xiao Zhou,
    The List Coloring Reconfiguration Problem for Bounded Pathwidth Graphs,
    in Proceedings of the 8th Annual International Conference on Combinatorial Optimization and Applications (COCOA 2014),
    Lecture Notes in Computer Science, Vol. 8881, pp. 314-328, 2014.
    (Maui, Hawaii, USA, December 19-21, 2014: Our presentation was on December 20.)

  16. Yusuke Aoki, Bjarni V. Halldórsson, Magnús M. Halldórsson, Takehiro Ito, Christian Konrad and Xiao Zhou,
    The Minimum Vulnerability Problem on Graphs,
    in Proceedings of the 8th Annual International Conference on Combinatorial Optimization and Applications (COCOA 2014),
    Lecture Notes in Computer Science, Vol. 8881, pp. 299-313, 2014.
    (Maui, Hawaii, USA, December 19-21, 2014: Our presentation was on December 20.)

  17. Erik D. Demaine, Martin L. Demaine, Eli Fox-Epstein, Duc A. Hoang, Takehiro Ito, Hirotaka Ono, Yota Otachi, Ryuhei Uehara and Takeshi Yamada,
    Polynomial-Time Algorithm for Sliding Tokens on Trees,
    in Proceedings of the 25th Annual International Symposium on Algorithms and Computation (ISAAC 2014),
    Lecture Notes in Computer Science, Vol. 8889, pp. 389-400, 2014.
    (Jeonju, Korea, December 15-17, 2014: Our presentation was on December 16.)

  18. Takehiro Ito, Marcin Kamiński and Hirotaka Ono,
    Fixed-Parameter Tractability of Token Jumping on Planar Graphs,
    in Proceedings of the 25th Annual International Symposium on Algorithms and Computation (ISAAC 2014),
    Lecture Notes in Computer Science, Vol. 8889, pp. 208-219, 2014.
    (Jeonju, Korea, December 15-17, 2014: Our presentation was on December 15.)

  19. Takehiro Ito, Naonori Kakimura, Naoyuki Kamiyama, Yusuke Kobayashi and Yoshio Okamoto,
    Minimum-Cost b-Edge Dominating Sets on Trees,
    in Proceedings of the 25th Annual International Symposium on Algorithms and Computation (ISAAC 2014),
    Lecture Notes in Computer Science, Vol. 8889, pp. 195-207, 2014.
    (Jeonju, Korea, December 15-17, 2014: Our presentation was on December 15.)

  20. Yuma Tamura, Takehiro Ito and Xiao Zhou,
    Deterministic Algorithms for the Independent Feedback Vertex Set Problem,
    in Proceedings of the 25th International Workshop on Combinatorial Algorithms (IWOCA 2014),
    Lecture Notes in Computer Science, Vol. 8986, pp. 351-363, 2015.
    (Duluth, Minnesota, USA, October 15-17, 2014: Our presentation was on October 17.)

  21. Takehiro Ito, Hiroyuki Nooka and Xiao Zhou,
    Reconfiguration of Vertex Covers in a Graph,
    in Proceedings of the 25th International Workshop on Combinatorial Algorithms (IWOCA 2014),
    Lecture Notes in Computer Science, Vol. 8986, pp. 164-175, 2015.
    (Duluth, Minnesota, USA, October 15-17, 2014: Our presentation was on October 15.)

  22. Katsuhisa Yamanaka, Erik D. Demaine, Takehiro Ito, Jun Kawahara, Masashi Kiyomi, Yoshio Okamoto, Toshiki Saitoh, Akira Suzuki, Kei Uchizawa and Takeaki Uno,
    Swapping Labeled Tokens on Graphs,
    in Proceedings of the 7th International Conference on FUN with Algorithms (FUN 2014),
    Lecture Notes in Computer Science, Vol. 8496, pp. 364-375, 2014.
    (Lipari Island, Sicily, Italy, July 1-3, 2014: Our presentation was on July 2.)

  23. Takehiro Ito, Marcin Kamiński, Hirotaka Ono, Akira Suzuki, Ryuhei Uehara and Katsuhisa Yamanaka,
    On the Parameterized Complexity for Token Jumping on Graphs,
    in Proceedings of the 11th Annual Conference on Theory and Applications of Models of Computation (TAMC 2014),
    Lecture Notes in Computer Science, Vol. 8402, pp. 341-351, 2014.
    (Chennai, India, April 11-13, 2014: Our presentation was on April 12.)

  24. Yuichi Asahiro, Hiroshi Eto, Takehiro Ito and Eiji Miyano,
    Complexity of Finding Maximum Regular Induced Subgraphs with Prescribed Degree,
    in Proceedings of the 19th International Symposium on Fundamentals of Computation Theory (FCT 2013),
    Lecture Notes in Computer Science, Vol. 8070, pp. 28-39, 2013.
    (Liverpool, United Kingdom, August 19-21, 2013: Our presentation was on August 19.)

  25. Taku Okada, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    On the Minimum Caterpillar Problem in Digraphs,
    in Proceedings of the 19th Annual International Computing and Combinatorics Conference (COCOON 2013),
    Lecture Notes in Computer Science, Vol. 7936, pp. 729-736, 2013.

  26. Kei Uchizawa, Takanori Aoki, Takehiro Ito and Xiao Zhou,
    Generalized Rainbow Connectivity of Graphs,
    in Proceedings of the 7th International Workshop on Algorithms and Computation (WALCOM 2013),
    Lecture Notes in Computer Science, Vol. 7748, pp. 233-244, 2013.

  27. Jinhee Chun, Takashi Horiyama, Takehiro Ito, Natsuda Kaothanthong, Hirotaka Ono, Yota Otachi, Takeshi Tokuyama, Ryuhei Uehara and Takeaki Uno,
    Base Location Problems for Base-Monotone Regions,
    in Proceedings of the 7th International Workshop on Algorithms and Computation (WALCOM 2013),
    Lecture Notes in Computer Science, Vol. 7748, pp. 53-64, 2013.

  28. Takehiro Ito, Shin-ichi Nakano, Yoshio Okamoto, Yota Otachi, Ryuhei Uehara, Takeaki Uno and Yushi Uno,
    A 4.31-Approximation for the Geometric Unique Coverage Problem on Unit Disks,
    in Proceedings of the 23rd Annual International Symposium on Algorithms and Computation (ISAAC 2012),
    Lecture Notes in Computer Science, Vol. 7676, pp. 372-381, 2012.

  29. Takehiro Ito, Kazuto Kawamura, Hirotaka Ono and Xiao Zhou,
    Reconfiguration of List L(2,1)-Labelings in a Graph,
    in Proceedings of the 23rd Annual International Symposium on Algorithms and Computation (ISAAC 2012),
    Lecture Notes in Computer Science, Vol. 7676, pp. 34-43, 2012.

  30. Jinhee Chun, Takashi Horiyama, Takehiro Ito, Natsuda Kaothanthong, Hirotaka Ono, Yota Otachi, Takeshi Tokuyama, Ryuhei Uehara and Takeaki Uno,
    Algorithms for Computing Optimal Image Segmentation Using Quadtree Decomposition,
    in Proceedings of Thailand-Japan Joint Conference on Computational Geometry and Graphs (TJJCCGG 2012),
    pp. 23-24, 2012.
    (* This paper is on experimental results of the algorithms in our paper in WALCOM 2013.)

  31. Takashi Horiyama, Takehiro Ito, Keita Nakatsuka, Akira Suzuki and Ryuhei Uehara,
    Packing Trominoes is NP-Complete, #P-Complete and ASP-Complete,
    in Proceedings of the 24th Canadian Conference on Computational Geometry (CCCG 2012),
    pp. 219-224, 2012.

  32. Takehiro Ito, Shin-ichi Nakano, Yoshio Okamoto, Yota Otachi, Ryuhei Uehara, Takeaki Uno and Yushi Uno,
    A Polynomial-Time Approximation Scheme for the Geometric Unique Coverage Problem on Unit Squares,
    in Proceedings of the 13th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT 2012),
    Lecture Notes in Computer Science, Vol. 7357, pp. 24-35, 2012.

  33. Kei Uchizawa, Takanori Aoki, Takehiro Ito, Akira Suzuki and Xiao Zhou,
    On the Rainbow Connectivity of Graphs: Complexity and FPT Algorithms,
    in Proceedings of the 17th Annual International Computing and Combinatorics Conference (COCOON 2011),
    Lecture Notes in Computer Science, Vol. 6842, pp. 86-97, 2011.

  34. Takehiro Ito, Kazuto Kawamura and Xiao Zhou,
    An Improved Sufficient Condition for Reconfiguration of List Edge-Colorings in a Tree,
    in Proceedings of the 8th Annual Conference on Theory and Applications of Models of Computation (TAMC 2011),
    Lecture Notes in Computer Science, Vol. 6648, pp. 94-105, 2011.

  35. Takehiro Ito and Erik D. Demaine,
    Approximability of the Subset Sum Reconfiguration Problem, (erratum)
    in Proceedings of the 8th Annual Conference on Theory and Applications of Models of Computation (TAMC 2011),
    Lecture Notes in Computer Science, Vol. 6648, pp. 58-69, 2011.

  36. Takehiro Ito, Takuya Hara, Xiao Zhou and Takao Nishizeki,
    Minimum Cost Partitions of Trees with Supply and Demand,
    in Proceedings (Part II) of the 21st Annual International Symposium on Algorithms and Computation (ISAAC 2010),
    Lecture Notes in Computer Science, Vol. 6507, pp. 351-362, 2010.

  37. Takehiro Ito, Naoki Sakamoto, Xiao Zhou and Takao Nishizeki,
    Minimum Cost Edge-Colorings of Trees Can be Reduced to Matchings,
    in Proceedings of the 4th International Frontiers of Algorithmics Workshop (FAW 2010),
    Lecture Notes in Computer Science, Vol. 6213, pp. 274-284, 2010.

  38. Takehiro Ito, Yuichiro Miyamoto, Hirotaka Ono, Hisao Tamaki and Ryuhei Uehara,
    Route-Enabling Graph Orientation Problems,
    in Proceedings of the 20th Annual International Symposium on Algorithms and Computation (ISAAC 2009),
    Lecture Notes in Computer Science, Vol. 5878, pp. 403-412, 2009.

  39. Takehiro Ito, Marcin Kamiński, Daniël Paulusma and Dimitrios M. Thilikos,
    Parameterizing Cut Sets in a Graph by the Number of Their Components,
    in Proceedings of the 20th Annual International Symposium on Algorithms and Computation (ISAAC 2009),
    Lecture Notes in Computer Science, Vol. 5878, pp. 605-615, 2009.

  40. Takehiro Ito, William S. Kennedy and Bruce A. Reed,
    A Characterization of Graphs with Fractional Total Chromatic Number Equal to Δ+2,
    in Proceedings of the V Latin-American Algorithms, Graphs and Optimization Symposium (LAGOS 2009),
    Electronic Notes in Discrete Mathematics, Vol. 35, pp. 235-240, 2009.

  41. Takehiro Ito, Marcin Kamiński and Erik D. Demaine,
    Reconfiguration of List Edge-Colorings in a Graph,
    in Proceedings of the 11th Algorithms and Data Structures Symposium (WADS 2009),
    Lecture Notes in Computer Science Vol. 5664, pp. 375-386, 2009.

  42. Takehiro Ito, Takeaki Uno, Xiao Zhou and Takao Nishizeki,
    Partitioning a Weighted Tree to Subtrees of Almost Uniform Size,
    in Proceedings of the 19th Annual International Symposium on Algorithms and Computation (ISAAC 2008),
    Lecture Notes in Computer Science Vol. 5369, pp. 196-207, 2008.
    (This paper received the Best Paper Award from ISAAC 2008.)

  43. Takehiro Ito, Erik D. Demaine, Nicholas J. A. Harvey, Christos H. Papadimitriou, Martha Sideri, Ryuhei Uehara and Yushi Uno,
    On the Complexity of Reconfiguration Problems,
    in Proceedings of the 19th Annual International Symposium on Algorithms and Computation (ISAAC 2008),
    Lecture Notes in Computer Science Vol. 5369, pp. 28-39, 2008.

  44. Takehiro Ito, Erik D. Demaine, Xiao Zhou and Takao Nishizeki,
    Approximability of Partitioning Graphs with Supply and Demand,
    in Proceedings of the 17th Annual International Symposium on Algorithms and Computation (ISAAC 2006),
    Lecture Notes in Computer Science Vol. 4288, pp. 121-130, 2006.

  45. Takehiro Ito, Kazuya Goto, Xiao Zhou and Takao Nishizeki,
    Partitioning a Multi-weighted Graph to Connected Subgraphs of Almost Uniform Size,
    in Proceedings of the 12th Annual International Computing and Combinatorics Conference (COCOON 2006),
    Lecture Notes in Computer Science Vol. 4112, pp. 63-72, 2006.

  46. Takehiro Ito, Akira Kato, Xiao Zhou and Takao Nishizeki,
    Algorithms for Finding Distance-Edge-Colorings of Graphs,
    in Proceedings of the 11th Annual International Computing and Combinatorics Conference (COCOON 2005),
    Lecture Notes in Computer Science Vol. 3595, pp. 798-807, 2005.

  47. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning Graphs of Supply and Demand,
    in Proceedings of the 2005 IEEE International Symposium on Circuits and Systems (ISCAS 2005),
    pp. 160-163, 2005.

  48. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning a Weighted Graph to Connected Subgraphs of Almost Uniform Size,
    in Proceedings of the 30th International Workshop on Graph-Theoretic Concepts in Computer Science (WG 2004),
    Lecture Notes in Computer Science Vol. 3353, pp. 365-376, 2004.

  49. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Partitioning Trees of Supply and Demand,
    in Proceedings of the 13th Annual International Symposium on Algorithms and Computation (ISAAC 2002),
    Lecture Notes in Computer Science Vol. 2518, pp. 612-623, 2002.
    (This paper received the Young C&C Author's Prize.)

  50. Takehiro Ito, Takao Nishizeki and Xiao Zhou,
    Algorithms for the Multicolorings of Partial k-Trees,
    in Proceedings of the 8th Annual International Computing and Combinatorics Conference (COCOON 2002),
    Lecture Notes in Computer Science Vol. 2387, pp. 430-439, 2002.




Invited/Tutorial Talks




Other Manuscripts in International Conferences

  1. Toshimitsu Anzai, Takehiro Ito, Akira Suzuki and Xiao Zhou,
    The Multi-Service Center Decision Problem is NP-Complete for Split Graphs,
    Presented in the 6th World Congress on Engineering and Technology (CET 2016),
    Paper ID 80060, 2016.
    (Shanghai, China, October 21-23, 2016: Our presentation was on October 23.)

  2. Yuichi Asahiro, Hiroshi Eto, Takehiro Ito and Eiji Miyano,
    Regular Induced Subgraphs in Bipartite and Planar Graphs,
    in Proceedings of the 19th Japan-Korea Joint Workshop on Algorithms and Computation (WAAC 2016),
    Paper Number 43, 2016.
    (Hakodate, Japan, August 30-31, 2016: Our presentation was on August 31.)

  3. Haruka Mizuta, Takehiro Ito and Xiao Zhou,
    Reachability between Steiner Trees in a Graph,
    in Proceedings of the 9th Annual Meeting of Asian Association for Algorithms and Computation (AAAC 2016),
    Session B1, 2016.
    (Taipei, Taiwan, May 14-16, 2016: Our presentation was on May 15.)

  4. Yuma Tamura, Takehiro Ito and Xiao Zhou,
    The Independent Feedback Vertex Set Problem,
    in Proceedings of the 17th Korea-Japan Joint Workshop on Algorithms and Computation (WAAC 2014),
    pp. 11-18, 2014.
    (Okinawa, Japan, July 13-15, 2014: Our presentation was on July 13.)

  5. Yuichi Asahiro, Hiroshi Eto, Takehiro Ito and Eiji Miyano,
    Maximum r-Regular Induced Subgraph Problems for Chordal Bipartite Graphs,
    in Proceedings of the 7th Annual Meeting of Asian Association for Algorithms and Computation (AAAC 2014),
    p. 18, 2014.
    (Hangzhou, China, May 17-19, 2014: Our presentation was on May 17.)

  6. Taku Okada, Akira Suzuki, Takehiro Ito and Xiao Zhou,
    Algorithm for the Minimum Caterpillar Problem with Terminals,
    in Proceedings of the 6th Annual Meeting of Asian Association for Algorithms and Computation (AAAC 2013),
    p. 25, 2013.

  7. Takehiro Ito,
    Partitioning Graphs of Supply and Demand,
    in Proceedings of Workshop on Algorithms and Computation 2007 (WALCOM 2007),
    pp. 162-179, 2007.

  8. Takehiro Ito, Yoshio Okamoto and Takeshi Tokuyama,
    Algorithms for the Full Steiner Tree Problem,
    in Proceedings of ICALP 2006 Affiliated Workshop "Improving Exponential Time Algorithms," (iETA),
    pp. 39-45, 2006.

  9. Takehiro Ito, Xiao Zhou and Takao Nishizeki,
    Algorithm for Partitioning Graphs of Bounded Tree-Width of Supply and Demand,
    in Proceedings of the 4th Japanese-Hungarian Symposium on Discrete Mathematics and its Applications (JH 2005),
    pp. 114-121, 2005.



Last Updated: September 15, 2017

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