Journals, Refereed Conference Proceedings and Contributed Book Chapters [Tokita.bib]

• Tomoyuki Obuchi, Yoshiyuki Kabashima and Kei Tokita
  "Relative species abundance of replicator dynamics with sparse interactions"
  Journal of Statistical Mechanics (2016) 113502 (28pages). [Preprint (arXiv:1605.09490 [cond-mat.stat-mech]), DOI: 10.1088/1742-5468/2016/11/113502]
• Tomoyuki Obuchi, Yoshiyuki Kabashima and Kei Tokita
  "Multiple peaks of species abundance distributions induced by sparse interactions"
  Physical Review E 94 (2016.8.23) 022312 (5pages) – [Preprint (arXiv:1605.09106 [q-bio.PE]), DOI: 10.1103/PhysRevE.94.022312]
• Kei Tokita
  "Dynamic stability and chaotic multispecies-coexistence in a food web model" 2015_KT_ASTE_B11_59-62.pdf
  Advances in Science, Technology and Environmentology (ASTE), Vol.B11 (2015.3) pp.59-62.
  Special Issue on New Challenges in Complex Systems Science, Research Institute for Science and Engineering, Waseda University.
• Katsuhiko Yoshida and Kei Tokita
  "Properties of ecosystems those are vulnerable during eco-fusion"
  Scientific Reports 5 (2015) 7939. (6 pages) DOI:10.1038/srep07939. (Jan29)
• Kei Tokita
  "Analytical theory of species abundance distributions of a random community model"
  Population Ecology 57-1 (2015) pp.53-62. DOI:10.1007/s10144-014-0476-8. (Jan 21) 
• Takeshi Oura and Kei Tokita
  "GPGPU simulations of 2D lattice neutral models in ecology"
  Journal of Physics: Conference Series (CCP2012) 454 (2013) 012038 (7 pages) [Preprint OT2012.pdf, Full text (DOI:10.1088/1742-6596/454/1/012038)]
• Haruyuki Irie and Kei Tokita
  "Species-area relationship for power-law species abundance distribution"
  International Journal of Biomathematics 5 (2012) 1260024 (9 pages). [Preprint (q-bio.PE/0609012), Full text (DOI:10.1142/S1793524512600145)]
• Yoshimi Yoshino, Tobias Galla and Kei Tokita
  "Rank abundance relations in evolutionary dynamics of random replicators"
  Physical Review E 78 (2008) 031924 (11 pages). [Preprint (arXiv:0803.1082 [q-bio.PE]), Full text (DOI:10.1103/PhysRevE.78.031924)]
  Selected for Virtual Journal of Biological Physics Research
• Yoshimi Yoshino, Tobias Galla and Kei Tokita
  "Statistical mechanics and stability of a model eco-system"
  IOP elec Journal of Statistical Mechanics (2007) P09003 (24 pages). [Preprint (q-bio.PE/0705.1523v2)]
• Kei Tokita
  "Statistical mechanics of relative species abundance"
  Ecological Informatics 1 (2006) 315-324. [Preprint (q-bio/0607011)]
• Kei Tokita
  "Species abundance patterns in complex evolutionary dynamics"
  Physical Review Letters 93 (2004) 178102 (4 pages). [Preprint (nlin.AO/0409033), Full text (DOI:10.1103/PhysRevLett.93.178102)]
  Selected for Virtual Journal of Biological Physics Research
• Kei Tokita and Ayumu Yastuomi
  "Emergence of a complex and stable network in a model ecosystem with extinction and mutation"
  Theoretical Population Biology 63 (2003) 131-146. [Preprint (nlin.AO/0210074)]
• Tsuyoshi Chawanya and Kei Tokita
  "Large-Dimensional Replicator Equations with Antisymmetric Random Interactions"
  Journal of Physical Society of Japan 71-2 (2002) 429-431.
• Kei Tokita, Macoto Kikuchi and Yukito Iba
  "Dynamical Equation Approach to Protein Design"
  Progress of Theoretical Physics Supplement 138 (2000) 378-383.
• Kei Tokita and Ayumu Yastuomi
  "Extinction Dynamics in a Large Ecological System with Random Interspecies Interactions"
  Unifying Themes in Complex Systems
  ed. Yaneer Bar-Yam, Perseus Books, Cambridge (2000) 541-556.
• Kei Tokita and Ayumu Yastuomi
  "Mass Extinction in a Dynamical System of Evolution with Variable Dimension"
  Physical Review E 60 (1999) 842-847.
• Yukito Iba, Kei Tokita and Macoto Kikuchi
  "Design Equation : A Novel Approach to Heteropolymer Design"
  Journal of Physical Society of Japan 67 (1998) 3985-3990.
• Kei Tokita
  "The Replica Symmetry Breaking Solution of the Hopfield Model at Zero Temperature : Critical Storage Capacity and Frozen Field Distribution"
  Journal of Physics A: Mathematical and General 27 (1994) 4413-4424.
• Kei Tokita
  "The Replica Symmetry Breaking Solution and the ``SK limit'' of the Hopfield Model"
  Journal of Physics A: Mathematical and General 26 (1993) 6915-6925.
• Kei Tokita
  "Remanent overlaps in the Hopfield model with zero temperature sequential dynamics"
  Progress of Theoretical Physics 90 (1993) 329-335.
• Yoji Aizawa and Kei Tokita
  "Zipf Law in Non-linear Dynamics and Neural Nets"
  Proc. Int. Conf. Fuzzy Logic and Neural Networks (IIZUKA '90), Kyushu Institute of Technology, Iizuka, Japan, July 20-24, (1990) pp.637-640.

Thesis

• Kei Tokita
  "Replica Symmetry Breaking and Multivalley Energy Landscape in the Hopfield Model"
  Doctorate thesis, University of Tokyo (1994) UTokyo Repository

Conferences