数理科学科

研究成果

年別の研究成果 1977 2008 2010 2011 2012 2014 2015 2016 2017 2018 2019 2020 2021 2022

• 360 Article
• 34 Conference contribution
• 8 Conference article
• 3 Chapter
• 9 その他
  • 3 Comment/debate
  • 3 Editorial
  • 2 Paper
  • 1 Review article

年別の研究成果

年別の研究成果

検索結果

• Article

  Sperner's lemma and zero point theorems on a discrete simplex and a discrete simplotope

  Iimura, T., Murota, K. & Tamura, A., 2012 3月, In: Discrete Applied Mathematics. 160, 4-5, p. 588-592 5 p.

  研究成果: Article › 査読

  • Sperner's Lemma 100%
  • Zero Point 78%
  • Economic Model 41%
  • Economics 40%
  • Game 25%

• Spin 4-manifolds with signature= -32

  Furuta, M., Kametani, Y. & Matsue, H., 2001, In: Mathematical Research Letters. 8, 3, p. 293-301 9 p.

  研究成果: Article › 査読

  Open Access

  • 4-manifold 100%
  • Signature 83%
  • Closed 25%
  5 被引用数 (Scopus)

• Spontaneous flash communication of females in an Asian firefly

  Takatsu, H., Minami, M., Tainaka, K. I. & Yoshimura, J., 2012 9月, In: Journal of Ethology. 30, 3, p. 355-360 6 p.

  研究成果: Article › 査読

  • Lampyridae 100%
  • advertisement 24%
  • bioluminescence 11%
  • duration 10%
  • parameter 9%
  3 被引用数 (Scopus)

• Stability and competitive equilibria in multi-unit trading networks with discrete concave utility functions

  Ikebe, Y. T., Sekiguchi, Y., Shioura, A. & Tamura, A., 2015 7月 28, In: Japan Journal of Industrial and Applied Mathematics. 32, 2, p. 373-410 38 p.

  研究成果: Article › 査読

  • Competitive Equilibrium 100%
  • Utility Function 73%
  • Concave function 70%
  • Substitute 55%
  • Unit 43%
  5 被引用数 (Scopus)

• Stability and Existence of Stationary Solutions to the Euler–Poisson Equations in a Domain with a Curved Boundary

  Suzuki, M. & Takayama, M., 2021 1月, In: Archive for Rational Mechanics and Analysis. 239, 1, p. 357-387 31 p.

  研究成果: Article › 査読

  • Euler-Poisson Equations 100%
  • Curved Boundary 96%
  • Positive ions 87%
  • Stationary Solutions 70%
  • Plasma sheaths 61%
  1 被引用数 (Scopus)

• Stability in supply chain networks: An approach by discrete convex analysis

  Ikebe, Y. T. & Tamura, A., 2015 7月, In: Journal of the Operations Research Society of Japan. 58, 3, p. 271-290 20 p.

  研究成果: Article › 査読

  • Convex Analysis 100%
  • Complementarity 70%
  • Supply Chain Network 68%
  • Substitutability 67%
  • Value Function 44%
  2 被引用数 (Scopus)

• Stable standing waves of nonlinear Schrödinger equations with potentials and general nonlinearities

  Ikoma, N. & Miyamoto, Y., 2020 4月 1, In: Calculus of Variations and Partial Differential Equations. 59, 2, 48.

  研究成果: Article › 査読

  • Standing Wave 100%
  • Nonlinear equations 88%
  • Minimizer 78%
  • Minimization Problem 76%
  • Nonexistence 70%
  11 被引用数 (Scopus)

• Stickelberger elements, Fitting ideals of class groups of CM-fields, and dualisation

  Greither, C. & Kurihara, M., 2008 12月, In: Mathematische Zeitschrift. 260, 4, p. 905-930 26 p.

  研究成果: Article › 査読

  • CM-field 100%
  • Dualization 98%
  • Class Group 81%
  • Projective Limit 31%
  • Evidence 19%
  17 被引用数 (Scopus)

• Stickelberger ideals and Fitting ideals of class groups for abelian number fields

  Kurihara, M. & Miura, T., 2011 7月, In: Mathematische Annalen. 350, 3, p. 549-575 27 p.

  研究成果: Article › 査読

  • Class Group 100%
  • Number field 80%
  • Wiles 65%
  • CM-field 61%
  • Ideal Class Group 58%
  7 被引用数 (Scopus)

• STOCHASTIC AND VARIATIONAL APPROACH TO FINITE DIFFERENCE APPROXIMATION OF HAMILTON-JACOBI EQUATIONS

  SOGA, KOHEI., 2020 5月, In: Mathematics of Computation. 89, 323, p. 1135-1159 25 p.

  研究成果: Article › 査読

  Open Access

  • Finite Difference Approximation 100%
  • Variational Approach 95%
  • Hamilton-Jacobi Equation 93%
  • Random walk 75%
  • Viscosity 70%
  1 被引用数 (Scopus)

• Streaming Algorithms for Maximizing Monotone Submodular Functions Under a Knapsack Constraint

  Huang, C. C., Kakimura, N. & Yoshida, Y., 2019, (Accepted/In press) In: Algorithmica.

  研究成果: Article › 査読

  • Streaming 100%
  • Submodular Function 97%
  • Knapsack 91%
  • Monotone Function 83%
  • Approximation algorithms 80%
  4 被引用数 (Scopus)

• Subgraphs of graphs on surfaces with high representativity

  Kawarabayashi, K. I., Nakamoto, A. & Ota, K., 2003 11月, In: Journal of Combinatorial Theory. Series B. 89, 2, p. 207-229 23 p.

  研究成果: Article › 査読

  • Graphs on Surfaces 100%
  • Subgraph 55%
  • Covering 55%
  • Connected graph 54%
  • Klein bottle 44%
  15 被引用数 (Scopus)

• Submodular reassignment problem for reallocating agents to tasks with synergy effects

  Kakimura, N., Kamiyama, N., Kobayashi, Y. & Okamoto, Y., 2022 5月, In: Discrete Optimization. 44, 100631.

  研究成果: Article › 査読

  • Synergy 100%
  • Submodular Function 37%
  • Function Minimization 26%
  • Scenarios 17%
  • Set theory 17%

• Tate sequences and Fitting ideals of Iwasawa modules

  Greither, C. & Kurihara, M., 2016, In: St. Petersburg Mathematical Journal. 27, 6, p. 941-965 25 p.

  研究成果: Article › 査読

  • Module 100%
  • Preparation 42%
  • Group Ring 41%
  • Exact Sequence 41%
  • Galois group 39%

• The 3‐connected graphs having a longest cycle containing only three contractible edges

  Aldred, R. E. L., Hemminger, R. L. & Ota, K., 1993, In: Journal of Graph Theory. 17, 3, p. 361-371 11 p.

  研究成果: Article › 査読

  • Contractible Edge 100%
  • Long Cycle 84%
  • Exception 32%
  • Graph in graph theory 30%
  • Family 15%
  12 被引用数 (Scopus)

• The adaptive augmented GMRES method for solving ill-posed problems

  Kuroiwa, N. & Nodera, T., 2008 12月 1, In: ANZIAM Journal. 50, SUPPL., p. C654-C667

  研究成果: Article › 査読

  • GMRES Method 100%
  • Ill-posed Problem 77%
  • Augmentation 51%
  • Krylov Subspace 35%
  • Subspace 20%
  4 被引用数 (Scopus)

• The b-branching problem in digraphs

  Kakimura, N., Kamiyama, N. & Takazawa, K., 2020 9月 15, In: Discrete Applied Mathematics. 283, p. 565-576 12 p.

  研究成果: Article › 査読

  Open Access

  • Branching 100%
  • Digraph 96%
  • Matroid 28%
  • Polynomials 26%
  • Decomposition 25%
  1 被引用数 (Scopus)

• The compactness of minimizing sequences for a nonlinear Schrödinger system with potentials

  Ikoma, N. & Miyamoto, Y., 2021, (Accepted/In press) In: Communications in Contemporary Mathematics. 2150103.

  研究成果: Article › 査読

  • Minimizing Sequences 100%
  • Nonlinear systems 65%
  • Compactness 65%
  • Nonlinear Systems 61%
  1 被引用数 (Scopus)

• The DEFLATED-GMRES(m, k) method with switching the restart frequency dynamically

  Moriya, K. & Nodera, T., 2000 1月 1, In: Numerical Linear Algebra with Applications. 7, 7-8, p. 569-584 16 p.

  研究成果: Article › 査読

  • Restart 100%
  • GMRES 93%
  • Linear systems 33%
  • Linear system of equations 33%
  • Arnoldi Process 23%
  13 被引用数 (Scopus)

• The diameters of some transition graphs constructed from Hamilton cycles

  Hagita, M., Oda, Y. & Ota, K., 2002, In: Graphs and Combinatorics. 18, 1, p. 105-117 13 p.

  研究成果: Article › 査読

  • Hamilton Cycle 100%
  • Graph in graph theory 36%
  • Undirected Graph 25%
  • Complete Graph 24%
  • Adjacent 21%
  1 被引用数 (Scopus)

• The Erdős–Pósa property for edge-disjoint immersions in 4-edge-connected graphs

  Kakimura, N. & Kawarabayashi, K. I., 2018 7月, In: Journal of Combinatorial Theory. Series B. 131, p. 138-169 32 p.

  研究成果: Article › 査読

  • Immersion 100%
  • Connected graph 75%
  • Disjoint 73%
  • Path 42%
  • Edge-connectivity 37%
  2 被引用数 (Scopus)

• The existence of a 2-factor in K_{1, n}-free graphs with large connectivity and large edge-connectivity

  Aldred, R. E. L., Egawa, Y., Fujisawa, J., Ota, K. & Saito, A., 2011 9月, In: Journal of Graph Theory. 68, 1, p. 77-89 13 p.

  研究成果: Article › 査読

  • Edge-connectivity 100%
  • Connectivity 75%
  • Minimum Degree 64%
  • Graph in graph theory 38%
  • Degree Condition 27%
  10 被引用数 (Scopus)

• The extension problem for graph C*-algebras

  Eilers, S., Gabe, J., Katsura, T., Ruiz, E. & Tomforde, M., 2020, In: Annals of K-Theory. 5, 2, p. 295-315 21 p.

  研究成果: Article › 査読

  • Graph C*-algebra 100%
  1 被引用数 (Scopus)

• The first, the second and the fourth Painlevé transcendents are of finite order S

  Shimomura, H., 2001, In: Proceedings of the Japan Academy Series A: Mathematical Sciences. 77, 3, p. 42-45 4 p.

  研究成果: Article › 査読

  Open Access
  10 被引用数 (Scopus)

• The geometric quantizations and the measured Gromov-Hausdorff convergences

  Hattori, K., 2020, In: Journal of Symplectic Geometry. 18, 6, p. 1575-1628 54 p.

  研究成果: Article › 査読

  • Gromov-Hausdorff Convergence 100%
  • Geometric Quantization 82%
  • Fiber 51%
  • Complex Structure 43%
  • Fibration 41%

• The importance of environment and life stage on interpretation of silky shark relative abundance indices for the equatorial Pacific Ocean

  Lennert-Cody, C. E., Clarke, S. C., Aires-da-Silva, A., Maunder, M. N., Franks, P. J. S., Román, M., Miller, A. J. & Minami, M., 2019 1月, In: Fisheries Oceanography. 28, 1, p. 43-53 11 p.

  研究成果: Article › 査読

  • abundance index 100%
  • Pacific Ocean 86%
  • sharks 83%
  • shark 81%
  • relative abundance 67%
  5 被引用数 (Scopus)

• The K-theoretical range of Cuntz-Krieger algebras

  Arklint, S. E., Bentmann, R. & Katsura, T., 2014 4月 15, In: Journal of Functional Analysis. 266, 8, p. 5448-5466 19 p.

  研究成果: Article › 査読

  • Cuntz-Krieger Algebra 100%
  • Range of data 42%
  • Graph C*-algebra 42%
  • Unital 27%
  • Invariant 7%
  9 被引用数 (Scopus)

• The non-monotonicity of the entropy of α-continued fraction transformations

  Nakada, H. & Natsui, R., 2008 6月 1, In: Nonlinearity. 21, 6, p. 1207-1225 19 p.

  研究成果: Article › 査読

  • Continued fraction 100%
  • Entropy 82%
  • entropy 71%
  • Tend 55%
  • Vary 42%
  23 被引用数 (Scopus)

• The nonuniqueness of the tangent cones at infinity of Ricci-flat manifolds

  Hattori, K., 2017 8月 15, In: Geometry and Topology. 21, 5, p. 2683-2723 41 p.

  研究成果: Article › 査読

  • Volume Growth 100%
  • Flat Manifold 98%
  • Tangent Cone 98%
  • Nonuniqueness 86%
  • Infinity 52%
  3 被引用数 (Scopus)

• Theory and algorithms for shapelet-based multiple-instance learning

  Suehiro, D., Hatano, K., Takimoto, E., Yamamoto, S., Bannai, K. & Takeda, A., 2020 8月 1, In: Neural Computation. 32, 8, p. 1580-1613 34 p.

  研究成果: Article › 査読

  • Heuristics 100%
  • Bag 90%
  • Learning 57%
  • Classifier 46%
  • Linear Programming 43%
  1 被引用数 (Scopus)

• The power-integrated discriminant improvement: An accurate measure of the incremental predictive value of additional biomarkers

  Hayashi, K. & Eguchi, S., 2019 6月 30, In: Statistics in Medicine. 38, 14, p. 2589-2604 16 p.

  研究成果: Article › 査読

  • Biomarkers 100%
  • Discriminant 79%
  • Discrimination 46%
  • Statistical Models 29%
  • Biomedical Research 26%
  5 被引用数 (Scopus)

• The radius of convergence of the p-adic sigma function

  Bannai, K., Kobayashi, S. & Yasuda, S., 2017 6月 1, In: Mathematische Zeitschrift. 286, 1-2, p. 751-781 31 p.

  研究成果: Article › 査読

  • Sigma function 100%
  • Radius of convergence 90%
  • P-adic 70%
  • Divisibility 41%
  • L-function 38%

• The ranges of k-theoretic invariants for nonsimple graph algebras

  Eilers, S., Katsura, T., Tomforde, M. & West, J., 2016 6月, In: Transactions of the American Mathematical Society. 368, 6, p. 3811-3847 37 p.

  研究成果: Article › 査読

  Open Access

  • Graph Algebra 100%
  • Graph C*-algebra 82%
  • Exact Sequence 80%
  • Algebra 74%
  • Range of data 44%
  6 被引用数 (Scopus)

• The sixth painlevé transcendents and the associated schlesinger equation

  Shimqmura, S., 2015 8月 28, In: Publications of the Research Institute for Mathematical Sciences. 51, 3, p. 417-463 47 p.

  研究成果: Article › 査読

  • Logarithmic 100%
  • Pole 71%
  • Critical point 70%
  • Critical Behavior 52%
  • Analytic Continuation 44%
  6 被引用数 (Scopus)

• The submartingale property and Liouville type theorems

  Atsuji, A., 2017 9月 1, In: Manuscripta Mathematica. 154, 1-2, p. 129-146 18 p.

  研究成果: Article › 査読

  • Submartingale 100%
  • Subharmonic Function 90%
  • Liouville Type Theorem 88%
  • Hermitian Manifold 47%
  • Liouville's theorem 44%
  2 被引用数 (Scopus)

• Theti Fixed-point property of random quotients by plain words

  Izeki, H., 2014, In: Groups, Geometry, and Dynamics. 8, 4, p. 1101-1140 40 p.

  研究成果: Article › 査読

  • Fixed Point Property 100%
  • Quotient 62%
  • Presentation 45%
  • Generating Set 30%
  • Singularity 19%

• Topology of holomorphic lefschetz pencils on the four-torus

  Hamada, N. & Hayano, K., 2018 4月 9, In: Algebraic and Geometric Topology. 18, 3, p. 1515-1572 58 p.

  研究成果: Article › 査読

  • Torus 100%
  • Topology 87%
  • Genus 82%
  • Bundle 34%
  • Vanishing Cycles 30%
  2 被引用数 (Scopus)

• Topology of pareto sets of strongly convex problems

  Hamada, N., Hayano, K., Ichiki, S., Kabata, Y. & Teramoto, H., 2020, In: SIAM Journal on Optimization. 30, 3, p. 2659-2686 28 p.

  研究成果: Article › 査読

  • Pareto Set 100%
  • Pareto Front 68%
  • Topology 49%
  • Set theory 44%
  • Multiobjective optimization 32%
  1 被引用数 (Scopus)

• Total dual integrality of the linear complementarity problem

  Sumita, H., Kakimura, N. & Makino, K., 2019 3月 15, In: Annals of Operations Research. 274, 1-2, p. 531-553 23 p.

  研究成果: Article › 査読

  • Linear Complementarity Problem 100%
  • Integral 36%
  • Matrix 33%
  • Dual Problem 7%
  2 被引用数 (Scopus)

• Toughness of K_a,t-minor-free graphs

  Chen, G., Egawa, Y., Kawarabayashi, K. I., Mohar, B. & Ota, K., 2011, In: Electronic Journal of Combinatorics. 18, 1

  研究成果: Article › 査読

  Open Access

  • Toughness 100%
  • Minor 65%
  • Planar graph 38%
  • Connected graph 34%
  • Graph in graph theory 32%
  4 被引用数 (Scopus)

• Transcendence of the values of certain series with Hadamard's gaps

  Tanaka, T. A., 2002 3月 1, In: Archiv der Mathematik. 78, 3, p. 202-209 8 p.

  研究成果: Article › 査読

  • Transcendence 100%
  • Series 48%
  • Algebraic number 45%
  • Imply 25%
  • Integer 20%
  3 被引用数 (Scopus)

• Truncated solutions of the fifth Painlevé equation

  Shimomura, S., 2011 11月 30, In: Funkcialaj Ekvacioj. 54, 3, p. 451-471 21 p.

  研究成果: Article › 査読

  • Sector 100%
  • Pole 43%
  • Infinity 32%
  • Family 22%
  7 被引用数 (Scopus)

• Twisted mellin transforms of a real analytic residue of siegeleisenstein series of degree 2

  Hasegawa, Y. & Miyazaki, T., 2009 8月, In: International Journal of Mathematics. 20, 8, p. 1011-1027 17 p.

  研究成果: Article › 査読

  • Mellin Transform 100%
  • Series 50%
  • Waveform 50%
  • Series Representation 46%
  • Meromorphic 45%
  2 被引用数 (Scopus)

• Ultragraph C*-algebras via topological quivers

  Katsura, T., Muhly, P. S., Sims, A. & Tomforde, M., 2008, In: Studia Mathematica. 187, 2, p. 137-155 19 p.

  研究成果: Article › 査読

  • C*-algebra 100%
  • Graph C*-algebra 82%
  • K-theory 57%
  • Gauge 56%
  • Object 36%
  10 被引用数 (Scopus)

• Uniform estimates for the flow of a viscous incompressible fluid down an inclined plane in the thin film regime

  Ueno, H., Shiraishi, A. & Iguchi, T., 2016 4月 1, In: Journal of Mathematical Analysis and Applications. 436, 1, p. 248-287 40 p.

  研究成果: Article › 査読

  • Inclined 100%
  • Thin Films 99%
  • Uniform Estimates 89%
  • Viscous Fluid 79%
  • Incompressible Fluid 75%
  2 被引用数 (Scopus)

• Uniform intersecting families with covering number four

  Frankl, P., Ota, K. & Tokushige, N., 1995 7月, In: Journal of Combinatorial Theory, Series A. 71, 1, p. 127-145 19 p.

  研究成果: Article › 査読

  • Intersecting Family 100%
  • Covering number 91%
  • Counterexample 61%
  • Configuration 56%
  8 被引用数 (Scopus)

• Uniform Intersecting Families with Covering Number Restrictions

  Frankl, P., Ota, K. & Tokushige, N., 1998, In: Combinatorics Probability and Computing. 7, 1, p. 47-56 10 p.

  研究成果: Article › 査読

  • Intersecting Family 100%
  • Covering number 91%
  • Cover 53%
  • Restriction 49%
  • Upper bound 15%
  2 被引用数 (Scopus)

• Uniqueness and nondegeneracy of ground states to nonlinear scalar field equations involving the Sobolev critical exponent in their nonlinearities for high frequencies

  Akahori, T., Ibrahim, S., Ikoma, N., Kikuchi, H. & Nawa, H., 2019 8月 1, In: Calculus of Variations and Partial Differential Equations. 58, 4, 120.

  研究成果: Article › 査読

  • Ground state 100%
  • Critical Sobolev Exponent 82%
  • Scalar Field 79%
  • Nondegeneracy 73%
  • Ground State 71%
  5 被引用数 (Scopus)

• Uniqueness of Dirichlet Forms Related to Infinite Systems of Interacting Brownian Motions

  Kawamoto, Y., Osada, H. & Tanemura, H., 2021 12月, In: Potential Analysis. 55, 4, p. 639-676 38 p.

  研究成果: Article › 査読

  Open Access

  • Dirichlet Form 100%
  • Infinite Systems 92%
  • Brownian motion 72%
  • Uniqueness 60%
  • Theorem 33%
  4 被引用数 (Scopus)

• Uniqueness of Minimizer for Countable Markov Shifts and Equidistribution of Periodic Points

  Takahasi, H., 2020 12月, In: Journal of Statistical Physics. 181, 6, p. 2415-2431 17 p.

  研究成果: Article › 査読

  • Equidistribution 100%
  • uniqueness 96%
  • Periodic Points 89%
  • Equilibrium State 89%
  • Minimizer 79%