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 2023

• 369 Article
• 38 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

• On deficiencies of small functions for Painlevé transcendents of the fourth kind

  Shimomura, S., 2002 11月 1, In: Annales Academiae Scientiarum Fennicae Mathematica. 27, 1, p. 109-120 12 p.

  研究成果: Article › 査読

  • Small Function 100%
  • Meromorphic Solution 98%
  • Rational Solutions 92%
  • Deficiency 83%
  • Transcendental 82%
  7 被引用数 (Scopus)

• On convergence of Chorin’s projection method to a Leray–Hopf weak solution

  Kuroki, H. & Soga, K., 2020 10月 1, In: Numerische Mathematik. 146, 2, p. 401-433 33 p.

  研究成果: Article › 査読

  Open Access

  • Incompressible Navier-Stokes 100%
  • Slip Boundary Condition 93%
  • Projection Method 76%
  • Weak Solution 61%
  • Navier-Stokes Equations 60%
  2 被引用数 (Scopus)

• On Bessel integrals for reducible degenerate principal series representations

  Miyazaki, T., 2011 5月 1, In: Journal of Functional Analysis. 260, 9, p. 2579-2597 19 p.

  研究成果: Article › 査読

  • Series Representation 100%
  • Friedrich Wilhelm Bessel 98%
  • Character 69%
  • Symmetric matrix 43%
  • Signature 43%
  1 被引用数 (Scopus)

• On a labor allocation model with possibly bounded salaries

  Farooq, R., Ikebe, Y. T. & Tamura, A., 2008 6月, In: Journal of the Operations Research Society of Japan. 51, 2, p. 136-154 19 p.

  研究成果: Article › 査読

  Open Access

  • Pairwise Stability 100%
  • Labour Allocation 83%
  • Salary 53%
  • Assignment Model 40%
  • Marriage 31%
  2 被引用数 (Scopus)

• On a hamiltonian cycle in which specified vertices are not isolated

  Kaneko, A., Kawarabayashi, K. I., Ota, K. & Yoshimoto, K., 2002 12月 6, In: Discrete Mathematics. 258, 1-3, p. X85-91

  研究成果: Article › 査読

  Open Access

  • Hamiltonian circuit 100%
  • Vertex of a graph 51%
  • Vertex Degree 49%
  • Minimum Degree 46%
  • Adjacent 37%
  1 被引用数 (Scopus)

• On 3-coloring of plane triangulations

  Nakamoto, A., Ota, K. & Watanabe, M., 2005 4月, In: Ars Combinatoria. 75, p. 157-162 6 p.

  研究成果: Article › 査読

  • Triangulation 100%
  • Colouring 89%
  • Vertex Coloring 41%
  • Infinite series 36%
  • Color 28%

• On 3-coloring of plane triangulations

  Nakamoto, A., Ota, K. & Watanabe, M., 2002 7月 1, In: Electronic Notes in Discrete Mathematics. 11, p. 519-524 6 p.

  研究成果: Article › 査読

  • Coloring 100%
  • Vertex Coloring 99%
  • Triangulation 94%
  • Divides 81%
  • Colouring 72%

• On 2-Factors in r-Connected (K_{1, k}, P₄)-Free Graphs

  Egawa, Y., Fujisawa, J., Fujita, S. & Ota, K., 2008, In: Tokyo Journal of Mathematics. 31, 2, p. 415-420 6 p.

  研究成果: Article › 査読

  • Minimum Degree 100%
  • Proposition 97%
  • Graph in graph theory 66%
  3 被引用数 (Scopus)

• N-step energy of maps and the fixed-point property of random groups

  Izeki, H., Kondo, T. & Nayatani, S., 2012, In: Groups, Geometry, and Dynamics. 6, 4, p. 701-736 36 p.

  研究成果: Article › 査読

  • Fixed Point Property 100%
  • CAT(0) Spaces 71%
  • Buildings 68%
  • Energy 54%
  • Euclidean 44%
  6 被引用数 (Scopus)

• Notes on the dual of the ideal class groups of CM-fields

  Kurihara, M., 2021, In: Journal de Theorie des Nombres de Bordeaux. 33, 3.2, p. 971-996 26 p.

  研究成果: Article › 査読

  Open Access

  • CM-field 100%
  • Ideal Class Group 94%
  • Class Group 61%
  • Number field 16%
  • Equivariant 16%
  1 被引用数 (Scopus)

• Note on irreducible triangulations of surfaces

  Nakamoto, A. & Ota, K., 1995, In: Journal of Graph Theory. 20, 2, p. 227-233 7 p.

  研究成果: Article › 査読

  • Triangulation 100%
  • Genus 84%
  • Closed 61%
  42 被引用数 (Scopus)

• Nonseparable UHF algebras II: Classification

  Farah, I. & Katsura, T., 2015, In: Mathematica Scandinavica. 117, 1, p. 105-125 21 p.

  研究成果: Article › 査読

  • Nonseparable 100%
  • Algebra 48%
  • Character 44%
  • Uncountable 30%
  • Semigroup 21%
  9 被引用数 (Scopus)

• Nonseparable UHF algebras I: Dixmier's problem

  Farah, I. & Katsura, T., 2010 10月, In: Advances in Mathematics. 225, 3, p. 1399-1430 32 p.

  研究成果: Article › 査読

  • Nonseparable 100%
  • Axiom 50%
  • Algebra 48%
  • C*-algebra 26%
  • Counterexample 24%
  29 被引用数 (Scopus)

• Non-contractible edges in a 3-connected graph

  Egawa, Y., Ota, K., Saito, A. & Yu, X., 1995 9月 1, In: Combinatorica. 15, 3, p. 357-364 8 p.

  研究成果: Article › 査読

  • Connected graph 100%
  • Contraction 34%
  • Upper bound 26%
  3 被引用数 (Scopus)

• Nilpotent orbits and Whittaker functions for derived functor modules of Sp(2, ℝ)

  Miyazaki, T., 2002 8月, In: Canadian Journal of Mathematics. 54, 4, p. 769-794 26 p.

  研究成果: Article › 査読

  • Whittaker Function 100%
  • Nilpotent Orbits 98%
  • Generalized Functions 70%
  • Functor 63%
  • Character 56%
  1 被引用数 (Scopus)

• N-flips in even triangulations on the torus and Dehn twists preserving monodromies

  Higuchi, Y., Nakamoto, A., Ota, K. & Sakuma, T., 2011 7月 6, In: Discrete Mathematics. 311, 13, p. 1128-1135 8 p.

  研究成果: Article › 査読

  • Dehn Twist 100%
  • Flip 80%
  • Triangulation 67%
  • Torus 57%
  • Isotopy 42%
  7 被引用数 (Scopus)

• New examples of compact special lagrangian submanifolds embedded in hyper-kähler manifolds

  Hattori, K., 2019 1月 1, In: Journal of Symplectic Geometry. 17, 2, p. 301-335 35 p.

  研究成果: Article › 査読

  • Lagrangian Submanifold 100%
  • Desingularization 52%
  • Self-intersection 49%
  • Immersion 43%
  • Family 38%
  1 被引用数 (Scopus)

• Nevanlinna-Type theorems for meromorphic functions on non-positively curved Kähler manifolds

  Atsuji, A., 2018 1月 1, In: Forum Mathematicum. 30, 1, p. 171-189 19 p.

  研究成果: Article › 査読

  • Meromorphic Function 100%
  • Nevanlinna Theory 71%
  • Ricci Curvature 53%
  • Error term 50%
  • Characteristic Function 49%
  2 被引用数 (Scopus)

• Multisections of lefschetz fibrations and topology of symplectic 4–manifolds

  Baykur, R. İ. & Hayano, K., 2016 9月 15, In: Geometry and Topology. 20, 4, p. 2335-2395 61 p.

  研究成果: Article › 査読

  • Lefschetz Fibration 100%
  • Topology 48%
  • Monodromy 24%
  • Factorization 18%
  • Branched Covering 15%
  5 被引用数 (Scopus)

• Multiplicity of radial and nonradial solutions to equations with fractional operators

  Ikoma, N., 2020 7月, In: Communications on Pure and Applied Analysis. 19, 7, p. 3501-3530 30 p.

  研究成果: Article › 査読

  Open Access

  • Radial Solutions 100%
  • Multiplicity 65%
  • Fractional 59%
  • Infinitely Many Solutions 48%
  • Operator 38%
  1 被引用数 (Scopus)

• Multiple recurrence of Markov shifts and other infinite measure preserving transformations

  Aaronson, J. & Nakada, H., 2000 1月 1, In: Israel Journal of Mathematics. 117, p. 285-310 26 p.

  研究成果: Article › 査読

  • Measure-preserving Transformations 100%
  • Recurrence 72%
  • Concepts 13%
  • Class 7%
  9 被引用数 (Scopus)

• Multi-Pass Streaming Algorithms for Monotone Submodular Function Maximization

  Huang, C. C. & Kakimura, N., 2022 2月, In: Theory of Computing Systems. 66, 1, p. 354-394 41 p.

  研究成果: Article › 査読

  • Streaming 100%
  • Submodular Function 97%
  • Monotone Function 83%
  • Knapsack 45%
  • Approximation Algorithms 32%
  4 被引用数 (Scopus)

• Motion of a vortex filament with axial flow in the half space

  Aiki, M. & Iguchi, T., 2014 11月 1, In: Annales de l'Institut Henri Poincare (C) Analyse Non Lineaire. 31, 6, p. 1311-1335 25 p.

  研究成果: Article › 査読

  • Vortex Filament 100%
  • vortex filaments 98%
  • Tornadoes 96%
  • axial flow 87%
  • Axial flow 82%

• Motion of a vortex filament in the half-space

  Aiki, M. & Iguchi, T., 2012 9月, In: Nonlinear Analysis, Theory, Methods and Applications. 75, 13, p. 5180-5185 6 p.

  研究成果: Article › 査読

  • Vortex Filament 100%
  • Half-space 64%
  • Vortex flow 59%
  • Motion 49%
  • Tornadoes 48%
  5 被引用数 (Scopus)

• Motion of a vortex filament in an external flow

  Aiki, M. & Iguchi, T., 2019 5月 30, In: Nonlinearity. 32, 7, p. 2413-2425 13 p.

  研究成果: Article › 査読

  • Vortex Filament 100%
  • vortex filaments 98%
  • Vortex flow 59%
  • Motion 49%
  • Initial value problems 47%

• More on stochastic and variational approach to the lax-friedrichs scheme

  Soga, K., 2016, In: Mathematics of Computation. 85, 301, p. 2161-2193 33 p.

  研究成果: Article › 査読

  • Hamiltonians 100%
  • Variational Approach 92%
  • Conservation 81%
  • Numerical analysis 72%
  • Fluxes 68%
  5 被引用数 (Scopus)

• More on Convergence of Chorin’s Projection Method for Incompressible Navier–Stokes Equations

  Maeda, M. & Soga, K., 2022 5月, In: Journal of Mathematical Fluid Mechanics. 24, 2, 41.

  研究成果: Article › 査読

  • Incompressible Navier-Stokes 100%
  • Projection Method 76%
  • Navier-Stokes Equations 60%
  • projection 58%
  • Weak Solution 30%

• Mod 2 normal numbers and skew products

  Choe, G. H., Hamachi, T. & Nakada, H., 2004, In: Studia Mathematica. 165, 1, p. 53-60 8 p.

  研究成果: Article › 査読

  Open Access

  • Normal number 100%
  • Skew Product 86%
  • Interval 41%
  • Fractional Parts 30%
  • Unit 16%
  1 被引用数 (Scopus)

• Mixed multifractal spectra of Birkhoff averages for non-uniformly expanding one-dimensional Markov maps with countably many branches

  Jaerisch, J. & Takahasi, H., 2021 7月 16, In: Advances in Mathematics. 385, 107778.

  研究成果: Article › 査読

  • Multifractal Spectrum 100%
  • Branch 62%
  • Fuchsian Group 45%
  • Continued Fraction Expansion 42%
  • Cusp 38%
  3 被引用数 (Scopus)

• Minimum-Cost b-Edge Dominating Sets on Trees

  Ito, T., Kakimura, N., Kamiyama, N., Kobayashi, Y. & Okamoto, Y., 2019 1月 15, In: Algorithmica. 81, 1, p. 343-366 24 p.

  研究成果: Article › 査読

  • Dominating Set 100%
  • Costs 72%
  • Polynomials 60%
  • Polynomial-time Algorithm 38%
  • NP-hard 38%
  2 被引用数 (Scopus)

• Metric inhomogeneous Diophantine approximation on the field of formal Laurent series

  Kim, D. H. & Nakada, H., 2011, In: Acta Arithmetica. 150, 2, p. 129-142 14 p.

  研究成果: Article › 査読
  11 被引用数 (Scopus)

• Metrical theory for a class of continued fraction transformations and their natural extensions

  Nakada, H., 1981 12月, In: Tokyo Journal of Mathematics. 4, 2, p. 399-426 28 p.

  研究成果: Article › 査読
  115 被引用数 (Scopus)

• Meromorphic solutions of difference Painlevé equations

  Shimomura, S., 2009 11月 20, In: Journal of Physics A: Mathematical and Theoretical. 42, 31, 315213.

  研究成果: Article › 査読

  • Meromorphic Solution 100%
  • difference equations 97%
  • Difference equations 96%
  • Asymptotics of Solutions 86%
  • Linear systems 69%
  2 被引用数 (Scopus)

• Maximum lifetime coverage problem with battery recovery effect

  Fu, N., Kakimura, N., Kimura, K. & Suppakitpaisarn, V., 2018 6月, In: Sustainable Computing: Informatics and Systems. 18, p. 1-13 13 p.

  研究成果: Article › 査読

  • Recovery 100%
  • Sensors 43%
  • Statistical Models 19%
  • Wireless sensor networks 16%
  • Polynomials 16%
  4 被引用数 (Scopus)

• Maximal K₃'s and Hamiltonicity of 4-connected claw-free graphs

  Fujisawa, J. & Ota, K., 2012 5月, In: Journal of Graph Theory. 70, 1, p. 40-53 14 p.

  研究成果: Article › 査読

  • Hamiltonicity 100%
  • Claw-free Graphs 97%
  • Graph theory 76%
  • Connected graph 63%
  • Theorem 31%
  1 被引用数 (Scopus)

• Maximal cycles in graphs of large girth

  Fujisawa, J. & Ota, K., 2014, In: SUT Journal of Mathematics. 50, 2, p. 427-438 12 p.

  研究成果: Article › 査読

  • Girth 100%
  • Cycle 66%
  • Circumference 60%
  • Weighted Graph 49%
  • Graph in graph theory 43%

• Matching with partially ordered contracts

  Farooq, R., Fleiner, T. & Tamura, A., 2012 10月, In: Japan Journal of Industrial and Applied Mathematics. 29, 3, p. 401-417 17 p.

  研究成果: Article › 査読

  • Fixed point theorem 100%
  • Many to many 98%
  • Model Matching 89%
  • Economic Model 82%
  • Market 63%
  4 被引用数 (Scopus)

• Lyapunov spectrum for Hénon-like maps at the first bifurcation

  Takahasi, H., 2018 5月 1, In: Ergodic Theory and Dynamical Systems. 38, 3, p. 1168-1200 33 p.

  研究成果: Article › 査読

  • Lyapunov Spectrum 100%
  • Lyapunov Exponent 69%
  • Entropy 57%
  • Unstable 56%
  • Bifurcation 52%

• Lyapunov optimization for non-generic one-dimensional expanding Markov maps

  Shinoda, M. & Takahasi, H., 2020 9月 1, In: Ergodic Theory and Dynamical Systems. 40, 9, p. 2571-2592 22 p.

  研究成果: Article › 査読

  • Lyapunov 100%
  • Optimization 80%
  • Shift Map 50%
  • Subset 39%
  • Equilibrium State 38%
  1 被引用数 (Scopus)

• Lower estimates for the growth of the fourth and the second painlevé transcendents

  Shimomura, S., 2004 2月, In: Proceedings of the Edinburgh Mathematical Society. 47, 1, p. 231-249 19 p.

  研究成果: Article › 査読

  • Transcendental 100%
  • Immediately 92%
  • Pole 83%
  • Arbitrary 48%
  • Estimate 42%
  6 被引用数 (Scopus)

• Lower Estimates for the Growth of Painlevé Transcendents

  Shimomura, S., 2003, In: Funkcialaj Ekvacioj. 46, 2, p. 287-295 9 p.

  研究成果: Article › 査読
  8 被引用数 (Scopus)

• Lower bounds for the number of edge-crossings over the spine in a topological book embedding of a graph

  Enomoto, H., Miyauchi, M. S. & Ota, K., 1999 6月, In: Discrete Applied Mathematics. 92, 2-3, p. 149-155 7 p.

  研究成果: Article › 査読

  Open Access

  • Book Embedding 100%
  • Spine 84%
  • Lower bound 42%
  • Graph in graph theory 29%
  • Drawing 15%
  25 被引用数 (Scopus)

• Long Cycles Passing Through a Specified Edge in a 3-Connected Graph

  Enomoto, H., Hirohata, K. & Ota, K., 1997 3月, In: Journal of Graph Theory. 24, 3, p. 275-279 5 p.

  研究成果: Article › 査読

  • Long Cycle 100%
  • Connected graph 62%
  • Cycle 26%
  • Theorem 15%
  2 被引用数 (Scopus)

• Logarithmic solutions of the fifth painlevé equation near the origin

  Shimomura, S., 2017 3月 1, In: Tokyo Journal of Mathematics. 39, 3, p. 797-825 29 p.

  研究成果: Article › 査読

  • Logarithmic 100%
  • Multiplier 80%
  • Series 36%
  • Exponential Type 34%
  • Polynomial 31%
  3 被引用数 (Scopus)

• Localization of a Gaussian membrane model with weak pinning potentials

  Sakagawa, H., 2018, In: Alea. 15, 2, p. 1123-1140 18 p.

  研究成果: Article › 査読

  Open Access

  • Membrane 100%
  • Model 32%
  • Potential Well 31%
  • Free Energy 26%
  • Higher Dimensions 23%
  1 被引用数 (Scopus)

• Leafwise Brownian Motions and Some Function Theoretic Properties of Laminations

  Atsuji, A., 2018 1月 1, In: Potential Analysis. 48, 1, p. 85-113 29 p.

  研究成果: Article › 査読

  • Lamination 100%
  • Leaves 77%
  • Brownian motion 68%
  • Meromorphic Function 47%
  • Subharmonic Function 40%

• Large-time behavior of solutions to an outflow problem for a shallow water model

  Kwon, B., Suzuki, M. & Takayama, M., 2013 10月 1, In: Journal of Differential Equations. 255, 7, p. 1883-1904 22 p.

  研究成果: Article › 査読

  • Shallow Water 100%
  • Large Time Behavior 89%
  • Behavior of Solutions 81%
  • Boundary layers 74%
  • Boundary Layer 55%
  9 被引用数 (Scopus)

• Large deviations for denominators of continued fractions

  Takahasi, H., 2020 11月, In: Nonlinearity. 33, 11, p. 5861-5874 14 p.

  研究成果: Article › 査読

  • Denominator 100%
  • Continued fraction 97%
  • Large Deviations 95%
  • Thermodynamics 82%
  • deviation 68%
  1 被引用数 (Scopus)

• Large deviation principles for countable markov shifts

  Takahasi, H., 2019 12月 1, In: Transactions of the American Mathematical Society. 372, 11, p. 7831-7855 25 p.

  研究成果: Article › 査読

  • Gibbs States 100%
  • Free energy 86%
  • Large Deviation Principle 82%
  • Countable 58%
  • Strong Connectivity 53%
  4 被引用数 (Scopus)

• Large deviation principle in one-dimensional dynamics

  Chung, Y. M., Rivera-Letelier, J. & Takahasi, H., 2019 12月 1, In: Inventiones Mathematicae. 218, 3, p. 853-888 36 p.

  研究成果: Article › 査読

  • Large Deviation Principle 100%
  • Physical measure 44%
  • Quadratic Map 38%
  • Interval Maps 37%
  • Law of large numbers 33%
  2 被引用数 (Scopus)