Graduate School of Fundamental Science and Engineering

  • Japan

Research Output

2000

α-EM algorithm and its basic properties

Matsuyama, Y., 2000 Oct, In : Systems and Computers in Japan. 31, 11, p. 12-23 12 p.

Research output: Contribution to journalArticle

α-EM algorithm and α-ICA learning based upon extended logarithmic information measures

Matsuyama, Y., Niimoto, T., Katsumata, N., Suzuki, Y. & Furukawa, S., 2000, Proceedings of the International Joint Conference on Neural Networks. Piscataway, NJ, United States: IEEE, Vol. 3. p. 351-356 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)
2001

An approximation scheme for motion by mean curvature with right-angle boundary condition

Ishii, H. & Ishii, K., 2001, In : SIAM Journal on Mathematical Analysis. 33, 2, p. 369-389 21 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Automorphism groups of one-point codes from the curves yq + y = xqr+1

Kondo, S., Katagiri, T. & Ogihara, T., 2001 Sep, In : IEEE Transactions on Information Theory. 47, 6, p. 2573-2579 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Independent component analysis by convex divergence minimization: Applications to brain fMRI analysis

Matsuyama, Y. & Imahara, S., 2001, Proceedings of the International Joint Conference on Neural Networks. Vol. 1. p. 412-417 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Nanometer-size polycrystallization in bcc → hcp + C15 structural change of a Ti-30 mol%Cr alloy

Hirata, A., Tanimura, M. & Koyama, Y., 2001 Dec, In : Materials Transactions. 42, 12, p. 2553-2558 6 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Trees, fundamental groups and homology groups

Eda, K. & Higasikawa, M., 2001 Aug 30, In : Annals of Pure and Applied Logic. 111, 3, p. 185-201 17 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2002

A class of stochastic optimal control problems with state constraint

Ishii, H. & Loreti, P., 2002, In : Indiana University Mathematics Journal. 51, 5, p. 1167-1196 30 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

A two-dimensional random crystalline algorithm for Gauss curvature flow

Ishii, H. & Mikami, T., 2002 Sep, In : Advances in Applied Probability. 34, 3, p. 491-504 14 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Free subgroups of free complete products

Conner, G. & Eda, K., 2002 Apr 15, In : Journal of Algebra. 250, 2, p. 696-708 13 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

New chemical layered structure in Ti-Cr alloys

Hirata, A., Tanimura, M. & Koyama, Y., 2002 Jul, In : Materials Transactions. 43, 7, p. 1689-1695 7 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

On (co)homology locally connected spaces

Eda, K., Karimov, U. H. & Repovš, D., 2002 May 15, In : Topology and its Applications. 120, 3, p. 397-401 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Optimization transfer for computational learning: A hierarchy from f-ICA and alpha-EM to their offsprings

Matsuyama, Y., Imahara, S. & Katsumata, N., 2002, Proceedings of the International Joint Conference on Neural Networks. Vol. 2. p. 1883-1888 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Supervised map ICA: Applications to brain functional MRI

Matsuyama, Y. & Kawamura, R., 2002, ICONIP 2002 - Proceedings of the 9th International Conference on Neural Information Processing: Computational Intelligence for the E-Age. Institute of Electrical and Electronics Engineers Inc., Vol. 5. p. 2259-2263 5 p. 1201895

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

The fundamental groups of one-dimensional spaces and spatial homomorphisms

Eda, K., 2002 Sep 30, In : Topology and its Applications. 123, 3, p. 479-505 27 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

The fundamental groups of one-dimensional wild spaces and the Hawaiian earring

Eda, K., 2002, In : Proceedings of the American Mathematical Society. 130, 5, p. 1515-1522 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

The non-commutative specker phenomenon in the uncountable case

Eda, K. & Shelah, S., 2002 Jun 1, In : Journal of Algebra. 252, 1, p. 22-26 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2003
7 Citations (Scopus)

Asymptotic analysis for a class of infinite systems of first-order PDE: Nonlinear parabolic PDE in the singular limit

Ishii, H. & Shimano, K., 2003, In : Communications in Partial Differential Equations. 28, 1-2, p. 409-438 30 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Computer models of phase separation dynamics in Fe-Cr-Mo ternary alloys

Iwamoto, Y., Goto, K., Kuwajima, T., Fukuhara, E., Suwa, Y. & Saito, Y., 2003, In : Unknown Journal. 426-432, 2, p. 1059-1064 6 p.

Research output: Contribution to journalArticle

Computer simulation of grain growth by the phase field model. Effect of interfacial energy on kinetics of grain growth

Suwa, Y. & Saito, Y., 2003 Nov, In : Materials Transactions. 44, 11, p. 2245-2251 7 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Degradation of tensile strength of Ni-Ti superelastic alloy due to hydrogen absorption in methanol solution containing hydrochloric acid

Yokoyama, K., Ogawa, T., Asaoka, K., Sakai, J. & Nagumo, M., 2003 Nov 15, In : Materials Science and Engineering A. 360, 1-2, p. 153-159 7 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)

Delayed fracture of beta titanium orthodontic wire in fluoride aqueous solutions

Kaneko, K., Yokoyama, K., Moriyama, K., Asaoka, K., Sakai, J. & Nagumo, M., 2003 May, In : Biomaterials. 24, 12, p. 2113-2120 8 p.

Research output: Contribution to journalArticle

77 Citations (Scopus)

Hydrogen embrittlement of Ni-Ti superelastic alloy in fluoride solution

Yokoyama, KI., Kaneko, K., Moriyama, K., Asaoka, K., Sakai, JI. & Nagumo, M., 2003 May 1, In : Journal of Biomedical Materials Research - Part A. 65, 2, p. 182-187 6 p.

Research output: Contribution to journalArticle

75 Citations (Scopus)

Independent component analysis minimizing convex divergence

Matsuyama, Y., Katsumata, N. & Kawamura, R., 2003, In : Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2714, p. 27-34 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Iterative optimization of convex divergence: Applications to independent component analysis

Matsuyama, Y., 2003, IEEE International Symposium on Information Theory - Proceedings. p. 214 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kinetics of phase separation in iron-based ternary alloys. II. Numerical simulation of phase separation in Fe-Cr-X(X = Mo, Cu) ternary alloys

Kuwajima, T., Saito, Y. & Suwa, Y., 2003 Nov, In : Intermetallics. 11, 11-12 SPEC. ISS, p. 1279-1285 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Modelling of phase separation dynamics in iron-based ternary alloys

Fukuhara, E., Onuma, M., Suwa, Y. & Saito, Y., 2003, In : Unknown Journal. 426-432, 5, p. 3867-3872 6 p.

Research output: Contribution to journalArticle

Monte Carlo simulation of phase separation in iron-based ternary alloys

Goto, K., Saito, Y. & Suwa, Y., 2003 Nov, In : Intermetallics. 11, 11-12 SPEC. ISS, p. 1267-1272 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

On the existence of stationary solutions of a generalized Mullins equation

Ogasawara, Y., 2003 Aug, In : Journal of the Physical Society of Japan. 72, 8, p. 1871-1873 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Relaxation in an L-optimization problem

Ishii, H. & Loreti, P., 2003, In : Royal Society of Edinburgh - Proceedings A. 133, 3, p. 599-615 17 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Relaxation of Hamilton-Jacobi Equations

Ishii, H. & Loreti, P., 2003 Oct, In : Archive for Rational Mechanics and Analysis. 169, 4, p. 265-304 40 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Susceptibility to delayed fracture of Ni-Ti superelastic alloy

Yokoyama, KI., Watabe, S., Hamada, K., Sakai, JI., Asaoka, K. & Nagumo, M., 2003 Jan 20, In : Materials Science and Engineering A. 341, 1-2, p. 91-97 7 p.

Research output: Contribution to journalArticle

50 Citations (Scopus)

The α-EM algorithm: Surrogate likelihood maximization using α-logarithmic information measures

Matsuyama, Y., 2003 Mar, In : IEEE Transactions on Information Theory. 49, 3, p. 692-706 15 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Ultrastructure and function of long and short sperm in Cicadidae (Hemiptera)

Kubo-Irie, M., Irie, M., Nakazawa, T. & Mohri, H., 2003 Nov, In : Journal of Insect Physiology. 49, 11, p. 983-991 9 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2004

A low latency inter-system handover scheme for multiple interfaces terminal

Liu, J., Kazaura, K. & Matsumoto, M., 2004, Proceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless Communication. Vol. 2. p. 717-720 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

An approach for providing location information in IP enabled emergency communication service

Liu, J., Kazaura, K. & Matsumoto, M., 2004, Proceedings of the Fourth IASTED International Multi-Conference on Wireless and Optical Communications. Fapojuwo, A. O. (ed.). p. 245-250 6 p. 422-166

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A simulation based evaluation on the performance of integrated 3G - Wireless LAN network

Kazaura, K., Jun, L. & Matsumoto, M., 2004, IEEE Region 10 Annual International Conference, Proceedings/TENCON. Vol. B.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
3 Citations (Scopus)

Degradation in performance of orthodontic wires caused by hydrogen absorption during short-term immersion in 2.0% acidulated phosphate fluoride solution

Kaneko, K., Yokoyama, K., Moriyama, K., Asaoka, K. & Sakai, J., 2004 Aug, In : Angle Orthodontist. 74, 4, p. 487-495 9 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Delayed fracture of Ni-Ti superelastic alloys in acidic and neutral fluoride solutions

Yokoyama, K., Kaneko, K., Moriyama, K., Asaoka, K., Sakai, J. & Nagumo, M., 2004 Apr 1, In : Journal of Biomedical Materials Research - Part A. 69, 1, p. 105-113 9 p.

Research output: Contribution to journalArticle

52 Citations (Scopus)

Disordered atomic column state in Fe-Mo alloys

Hirata, A. & Koyama, Y., 2004 Oct 1, In : Physical Review B - Condensed Matter and Materials Physics. 70, 13, p. 134203-1-134203-7 134203.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Energy consumption tradeoffs for compressed wireless data at a mobile terminal

Veijalainen, J., Ojanen, E., Haq, M. A., Vahteala, V. P. & Matsumoto, M., 2004 May, In : IEICE Transactions on Communications. E87-B, 5, p. 1123-1130 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Flattening properties of the mechanism of evaporation-condensation under a temperature gradient

Ogasawara, Y., 2004 Jul, In : Journal of the Physical Society of Japan. 73, 7, p. 1703-1705 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Fracture associated with hydrogen absorption of sustained tensile-loaded titanium in acid and neutral fluoride solutions

Yokoyama, K., Kaneko, K., Miyamoto, Y., Asaoka, K., Sakai, J. & Nagumo, M., 2004 Jan 1, In : Journal of Biomedical Materials Research - Part A. 68, 1, p. 150-158 9 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Fracture of nickel-titanium superelastic alloy in sodium hypochlorite solution

Yokoyama, K., Kaneko, K., Yabuta, E., Asaoka, K. & Sakai, J., 2004 Mar 25, In : Materials Science and Engineering A. 369, 1-2, p. 43-48 6 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Hydrogen absorption behavior of beta titanium alloy in acid fluoride solutions

Ogawa, T., Yokoyama, K., Asaoka, K. & Sakai, J., 2004 May, In : Biomaterials. 25, 12, p. 2419-2425 7 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

Hydrogen absorption of titanium in acidic flouride solutions

Yokoyama, K., Ogawa, T., Asaoka, K. & Sakai, J., 2004 Oct 25, In : Materials Science and Engineering A. 384, 1-2, p. 19-25 7 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Hydrogen embrittlement of Ti and Ti-6Al-4V alloy in fluoride solution

Tokoyama, K., Ogawa, T., Asaoka, K. & Sakai, J., 2004, Transactions - 7th World Biomaterials Congress. p. 951 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution