Graduate School of Fundamental Science and Engineering

  • Japan

Research Output 1974 2019

19 Citations (Scopus)

Asymptotic solutions of Hamilton-Jacobi equations with semi-periodic Hamiltonians

Ichihara, N. & Ishii, H., 2008 May, In : Communications in Partial Differential Equations. 33, 5, p. 784-807 24 p.

Research output: Contribution to journalArticle

Hamiltonians
Asymptotics of Solutions
Hamilton-Jacobi Equation
Cauchy Problem
Asymptotic Solution
18 Citations (Scopus)

Asymptotic solutions of viscous hamilton- jacobi equations with ornstein-uhlenbeck operator

Fujita, Y., Ishii, H. & Loreti, P., 2006 Jun, In : Communications in Partial Differential Equations. 31, 6, p. 827-848 22 p.

Research output: Contribution to journalArticle

Ornstein-Uhlenbeck Operator
Asymptotics of Solutions
Hamilton-Jacobi Equation
Long-time Behavior
Semilinear Parabolic Equation

A target detection algorithm for hierarchical area monitoring wireless sensor networks

Chen, J. & Matsumoto, M., 2010, IEEE International Conference on Industrial Informatics (INDIN). p. 980-985 6 p. 5549607

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

Target tracking
Sensor nodes
Wireless sensor networks
Monitoring
Energy efficiency
4 Citations (Scopus)

Atmospheric corrosion of copper in an indoor environment with a high H 2S concentration

Watanabe, M., Hirota, H., Handa, T., Kuwaki, N. & Sakai, J., 2008, 17th International Corrosion Congress 2008: Corrosion Control in the Service of Society. Vol. 1. p. 619-626 8 p.

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

Atmospheric corrosion
Copper
Optical emission spectroscopy
Glow discharges
Corrosion
6 Citations (Scopus)
Fundamental Group
Peano Continuum
Subgroup
First Countable
Path
4 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

Curvature Flow
Gauss Curvature
Crystalline materials
Approximation Scheme
Hypersurface
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

Group

BER evaluation of CDMA-based wireless services transmission over aperture averaged FSO links

Naila, C. B., Wakamori, K. & Matsumoto, M., 2011 Dec, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E94-A, 12, p. 2753-2761 9 p.

Research output: Contribution to journalArticle

Code Division multiple Access
Free Space
Bit error rate
Code division multiple access
Telecommunication links
1 Citation (Scopus)

Bio-signal integration for humanoid operation: Gesture and brain signal recognition by HMM/SVM-Embedded BN

Matsuyama, Y., Matsushima, F., Nishida, Y., Hatakeyama, T., Sawada, K. & Kato, T., 2009, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 5506 LNCS. p. 352-360 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5506 LNCS, no. PART 1).

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

Bayesian networks
Hidden Markov models
Gesture
Bayesian Networks
Markov Model
2 Citations (Scopus)

Blind deconvolution for a curved motion based on cepstral analysis

Oyamada, Y., Asai, H. & Saito, H., 2011, In : IPSJ Transactions on Computer Vision and Applications. 3, p. 33-43 11 p.

Research output: Contribution to journalArticle

Optical transfer function
Deconvolution
Cameras

Bose polaron in spherical trap potentials: Spatial structure and quantum depletion

Takahashi, J., Imai, R., Nakano, E. & Iida, K., 2019 Aug 26, In : Physical Review A. 100, 2, 023624.

Research output: Contribution to journalArticle

depletion
traps
impurities
profiles
Bose-Einstein condensates
23 Citations (Scopus)

Boundary regularity and uniqueness for an elliptic equation with gradient constraint

Ishii, H., 1983 Jan 1, In : Communications in Partial Differential Equations. 8, 4, p. 317-346 30 p.

Research output: Contribution to journalArticle

Boundary Regularity
Elliptic Equations
Uniqueness
Gradient

Brain signal based continuous authentication: Functional NIRS approach

Shozawa, M., Yokote, R., Hidano, S., Wu, C. H. & Matsuyama, Y., 2013, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 7903 LNCS. p. 171-180 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7903 LNCS, no. PART 2).

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

Near-infrared Spectroscopy
Near infrared spectroscopy
Authentication
Brain
Discriminant Function
4 Citations (Scopus)

Brain signal recognition and conversion towards symbiosis with ambulatory humanoids

Matsuyama, Y., Noguchi, K., Hatakeyama, T., Ochiai, N. & Hori, T., 2010, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 6334 LNAI. p. 101-111 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6334 LNAI).

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

Symbiosis
Brain
Hemoglobin
Bayesian networks
Prosthetics
7 Citations (Scopus)

Brain signal's low-frequency fits the continuous authentication

Matsuyama, Y., Shozawa, M. & Yokote, R., 2015 Sep 21, In : Neurocomputing. 164, p. 137-143 7 p.

Research output: Contribution to journalArticle

Near infrared spectroscopy
Near-Infrared Spectroscopy
Authentication
Brain
Weights and Measures
5 Citations (Scopus)

Cache efficient radix sort for string sorting

Ng, W. & Kakehi, K., 2007 Feb, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E90-A, 2, p. 457-466 10 p.

Research output: Contribution to journalArticle

Sorting
Cache
Sort
Strings
String Algorithms
13 Citations (Scopus)

Cepstral analysis based blind deconvolution for motion blur

Asai, H., Oyamada, Y., Pilet, J. & Saito, H., 2010, Proceedings - International Conference on Image Processing, ICIP. p. 1153-1156 4 p. 5651299

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

Optical transfer function
Deconvolution
Cameras
Experiments
1 Citation (Scopus)

Change of pH of inside the crevice with time during crevice corrosion initiation and growth step of a duplex stainless steel

Ito, N., Yamamoto, R. & Sakai, J., 2015, In : Zairyo to Kankyo/ Corrosion Engineering. 64, 5, p. 193-196 4 p.

Research output: Contribution to journalArticle

Stainless Steel
Stainless steel
Corrosion
Discoloration
Coatings
2 Citations (Scopus)

Characterisation of Corrosion products formed on copper exposed at indoor and outdoor sites with high H2S concentrations

Watanabe, M., Takaya, M., Handa, T. & Sakai, J., 2013 Sep, In : Corrosion Engineering Science and Technology. 48, 6, p. 418-425 8 p.

Research output: Contribution to journalArticle

Copper
Corrosion
Copper Sulfate
Hydrogen Sulfide
Optical emission spectroscopy
2 Citations (Scopus)

Characterization of patinas that formed on copper exposed in different environments for one month

Watanabe, M., Handa, T., Ichino, T., Kuwaki, N. & Sakai, J., 2009, In : Zairyo to Kankyo/ Corrosion Engineering. 58, 4, p. 143-157 15 p.

Research output: Contribution to journalArticle

Copper
Chlorine
Hot springs
Sulfur
Sulfides
1 Citation (Scopus)

Composite data mapping for spherical GUI design: Clustering of must-watch and no-need TV programs

Maejima, M., Yokote, R. & Matsuyama, Y., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 5 ed. Vol. 7667 LNCS. p. 267-274 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7667 LNCS, no. PART 5).

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

User Interface Design
Watches
Graphical User Interface
Graphical user interfaces
Composite
11 Citations (Scopus)

Composition-dependent ion-exehange reactivity of potassium lithium titanates

Fuse, Y., Ide, Y. & Ogawa, M., 2008, In : Bulletin of the Chemical Society of Japan. 81, 6, p. 767-772 6 p.

Research output: Contribution to journalArticle

Solid state reactions
Lithium
Potassium
Ions
Intercalation compounds

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

Ternary alloys
ternary alloys
Phase separation
simulation
Aging of materials
14 Citations (Scopus)

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

interfacial energy
Grain growth
Interfacial energy
Free energy
computerized simulation
8 Citations (Scopus)

Computer simulation of grain growth in three dimensions by the phase field model and the Monte Carlo method

Suwa, Y. & Saito, Y., 2005 Jun, In : Materials Transactions. 46, 6, p. 1214-1220 7 p.

Research output: Contribution to journalArticle

Crystal microstructure
Grain growth
Monte Carlo method
Monte Carlo methods
computerized simulation

Computer simulation of grain growth in three dimensions by the phase field model with anisotropic grain-boundary mobilities

Suwa, Y., Saito, Y. & Onodera, H., 2007, Materials Science Forum. PART 3 ed. Vol. 539-543. p. 2437-2442 6 p. (Materials Science Forum; vol. 539-543, no. PART 3).

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

Grain growth
Grain boundaries
Computer simulation
Kinetics
Crystal microstructure
1 Citation (Scopus)

Computer simulation of spinodal decomposition in duplex stainless steels

Saito, Y., 2012, Materials Science Forum. Vol. 706-709. p. 1509-1514 6 p. (Materials Science Forum; vol. 706-709).

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

Spinodal decomposition
Stainless Steel
Phase separation
stainless steels
Stainless steel
1 Citation (Scopus)

Computer simulation of spinodal decomposition in Fe-Cr-Ni ternary alloys and Fe-Cr-Mo-Ni quaternary alloys

Yang, L. L. & Saito, Y., 2012, In : ISIJ International. 52, 4, p. 638-643 6 p.

Research output: Contribution to journalArticle

Spinodal decomposition
Ternary alloys
Computer simulation
Phase separation
Stainless Steel
25 Citations (Scopus)

Controlled photocatalytic ability of titanium dioxide particle by coating with nanoporous silica

Kato, R., Shimura, N. & Ogawa, M., 2008 Jan 5, In : Chemistry Letters. 37, 1, p. 76-77 2 p.

Research output: Contribution to journalArticle

Silicon Dioxide
Coatings
Calcination
Nanoparticles
titanium dioxide

Controlling factors of pearlite transformation rate of 0.4 mass% C steels

Yamashita, T., Narutani, T. & Saito, Y., 2000 Jul, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 86, 7, p. 458-465 8 p.

Research output: Contribution to journalArticle

pearlite
Pearlite
Carbon steel
steels
Steel

Conversion of sensitivity-based tasks from brain signals and motions: Applications to humanoid operation

Matsuyama, Y., Yokote, R. & Yokosawa, Y., 2012, Proceedings of the IASTED International Conference on Artificial Intelligence and Soft Computing, ASC 2012. p. 270-277 8 p.

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

Near infrared spectroscopy
Independent component analysis
Bayesian networks
Hidden Markov models
Support vector machines
2 Citations (Scopus)

Convexified Gauss curvature flow of sets: A stochastic approximation

Ishii, H. & Mikami, T., 2005, In : SIAM Journal on Mathematical Analysis. 36, 2, p. 552-579 28 p.

Research output: Contribution to journalArticle

Curvature Flow
Gauss Curvature
Stochastic Approximation
Bounded Set
Open set
2 Citations (Scopus)

Cooling rate dependence of secondary dendrite arm spacing in Nickel-based super alloys

Mamiya, T., Ogasawara, Y., Sato, S., Suzuki, T. & Yoshinari, A., 1997, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 61, 8, p. 781-782 2 p.

Research output: Contribution to journalArticle

Dendrites (metallography)
Nickel
Cooling
3 Citations (Scopus)
Peano Continuum
Algebraic topology
Fundamental Group
Lemma
Topology
8 Citations (Scopus)

Corrosion and hydrogen absorption of commercially pure zirconium in acid fluoride solutions

Yokoyama, K., Yamada, D. & Sakai, J., 2013 Aug, In : Corrosion Science. 73, p. 375-381 7 p.

Research output: Contribution to journalArticle

Acidulated Phosphate Fluoride
Fluorides
Zirconium
Hydrogen
Corrosion

Corrosion behavior of a duplex stainless steel in a simulated crevice solution

Aoki, S., Doi, R., Ito, K., Sakai, J., Yakuwa, H. & Mitsuhashi, K., 2008, 17th International Corrosion Congress 2008: Corrosion Control in the Service of Society. Vol. 2. p. 927-935 9 p.

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

Stainless Steel
Dissolution
Stainless steel
Corrosion
Current density

Corrosion behavior of carbon steels coupled to stainless steels in sea water

Sato, H., Yamaji, T. & Sakai, J., 2015, In : Zairyo to Kankyo/ Corrosion Engineering. 64, 5, p. 183-187 5 p.

Research output: Contribution to journalArticle

Stainless Steel
Carbon steel
Stainless steel
Corrosion
Water
3 Citations (Scopus)

Corrosion behavior of prestressing steel in a solution of 20% ammonium thiocyanate

Ichiba, M., Niidome, Y., Nakamura, S. & Sakai, J. I., 2010 Sep, In : Zairyo to Kankyo/ Corrosion Engineering. 59, 9, p. 332-334 3 p.

Research output: Contribution to journalArticle

Prestressing
Corrosion
Steel
5 Citations (Scopus)

Corrosion behavior of prestressing steel in a solution of 20% ammonium thiocyanate

Ichiba, M., Niidome, Y., Nakamura, S. & Sakai, J., 2013, In : Zairyo to Kankyo/ Corrosion Engineering. 62, 8, p. 289-293 5 p.

Research output: Contribution to journalArticle

Prestressing
Steel
Corrosion
Hydrogen
ferrous sulfate
3 Citations (Scopus)

Corrosion behavior of prestressing steel in a solution of 20% ammonium thiocyanate

Ichiba, M., Abe, K. & Sakai, J., 2015, In : Zairyo to Kankyo/ Corrosion Engineering. 64, 6, p. 244-250 7 p.

Research output: Contribution to journalArticle

Prestressing
Steel
Corrosion
Dissolved oxygen
Iron
1 Citation (Scopus)

Corrosion behavior of silver by outgassed sulfur species from vulcanized rubber (1) - Examination of corrosion factors -

Omoda, M., Taizo, O., Sakai, J. & Ishikawa, Y., 2008 Aug, In : Zairyo to Kankyo/ Corrosion Engineering. 57, 8, p. 358-365 8 p.

Research output: Contribution to journalArticle

Rubber
Silver
Sulfur
Corrosion
Corrosion rate

CORROSION BEHAVIOR OF STAINLESS STEELS IN SULFURIC ACID CONTAINING Fe**3** plus AND Cl** minus .

Sakai, J. I. & Matsuchima, I., 1976, Corros Eng (Tokyo). 11 ed. Vol. 25. p. 665-670 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Sulfuric acid
Dissolution
Stainless steel
Corrosion
Pitting
2 Citations (Scopus)

Corrosion of carbon steel and alloys in ammonium chloride salt

Toba, K., Kawano, K. & Sakai, J., 2014, In : NACE - International Corrosion Conference Series.

Research output: Contribution to journalArticle

Ammonium Chloride
Carbon steel
Atmospheric humidity
Pitting
Salts

Corrosion of carbon steel and alloys in ammonium chloride salt

Toba, K., Kawano, K. & Sakai, J., 2014, In : NACE - International Corrosion Conference Series.

Research output: Contribution to journalArticle

Ammonium Chloride
Carbon steel
Atmospheric humidity
Pitting
Salts
11 Citations (Scopus)

Corrosion of carbon steel and alloys in concentrated ammonium chloride solutions

Toba, K., Ueyama, M., Kawano, K. & Sakai, J., 2012 Nov, In : Corrosion. 68, 11, p. 1049-1056 8 p.

Research output: Contribution to journalArticle

Ammonium Chloride
Carbon steel
Stainless Steel
Corrosion
Stainless steel
7 Citations (Scopus)

Corrosion reaction and hydrogen absorption of steel for prestressed concrete in a 20 mass% ammonium thiocyanate solution

Ichiba, M., Sakai, JI., Doshida, T. & Takai, K., 2015 Jun 1, In : Scripta Materialia. 102, p. 59-62 4 p.

Research output: Contribution to journalArticle

Steel
Prestressed concrete
Hydrogen
corrosion
steels

Cost-and energy-aware multi-flow mobile data offloading under time dependent pricing

Zhang, C., Gu, B., Liu, Z., Yamori, K. & Tanaka, Y., 2018 Jan 12, 2017 13th International Conference on Network and Service Management, CNSM 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-6 6 p.

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

Pricing
Wireless local area networks (WLAN)
Wireless Local Area Network (WLAN)
Costs
Energy
5 Citations (Scopus)

Cost- and energy-aware multi-flow mobile data offloading using Markov decision process

Zhang, C., Gu, B., Liu, Z., Yamori, K. & Tanaka, Y., 2018 Mar 1, In : IEICE Transactions on Communications. E101B, 3, p. 657-666 10 p.

Research output: Contribution to journalArticle

Wireless local area networks (WLAN)
Dynamic programming
Costs
Wireless networks
Servers
1 Citation (Scopus)

Cotorsion-free groups from a topological viewpoint

Eda, K. & Fischer, H., 2016 Dec 1, In : Topology and its Applications. 214, p. 21-34 14 p.

Research output: Contribution to journalArticle

Peano Continuum
Homology Groups
Free Group
Fundamental Group
Homomorphisms
2 Citations (Scopus)

Covering maps over solenoids which are not covering homomorphisms

Eda, K. & Matijević, V., 2013, In : Fundamenta Mathematicae. 221, 1, p. 69-82 14 p.

Research output: Contribution to journalArticle

Covering Map
Solenoid
Homomorphisms
Covering
Topological group