&size(14){&color(maroon){Please request for PDF files to tokita@nagoya-u.jp.};};
 &size(14){&color(maroon){Request PDF files to tokita@nagoya-u.jp.};};
 
 ***Preprints [#t6e04b91]
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"Analytical theory of species abundance distributions of a random community model"} &ref{2014PopEcolKT.pdf}; &br;
 Submitted to '''Population Ecology'''. Special Feature "Interaction strengths, types and their consequences in ecological communities" for &br;
 Plenary Symposium "Plenary Symposium A: Diversity of Interaction Types and Strengths and Network Structure and Dynamics of Ecological Communities"&br;
 29th Annual Meeting of the Society of Population Ecology, October 11(Fri) - 13(Sun), 2013, Osaka Prefecture University.
 
 
 
 ////'''Scientific Reports''' ''5'' (2015) 7939. (6 pages) DOI:[[10.1038/srep07939:http://www.nature.com/srep/2015/150129/srep07939/full/srep07939.html]]. (Jan29)
 
 -Masanori Sugiura and ''Kei Tokita''&br;COLOR(#ee0022){"Mutation dynamics of HIV and the dependence of the asymptotic term on immune-response heterogeneity"}&br;
 
 
 
 ***Journals, Refereed Conference Proceedings and Contributed Book Chapters [&ref(Tokita.bib);] [#f9d9be30]
 -Tomoyuki Obuchi, Yoshiyuki Kabashima and ''Kei Tokita''&br;
 COLOR(#ee0022){"Relative species abundance of replicator dynamics with sparse interactions"}&br;
 '''Journal of Statistical Mechanics''' (2016) 113502 (28pages). 
 [Preprint ([[arXiv:1605.09490 [cond-mat.stat-mech]:https://arxiv.org/abs/1605.09490]]),
 DOI: [[10.1088/1742-5468/2016/11/113502:http://dx.doi.org/10.1088/1742-5468/2016/11/113502]]]&br;
 
 -Takeshi Oura and ''Kei Tokita'' &br;COLOR(#ee0022){"GPGPU simulations of 2D lattice neutral models in ecology"},  '''Journal of Physics: Conference Series (CCP2012)''' ''454'' (2013) 012038 (7 pages) [Full text (DOI:[[10.1088/1742-6596/454/1/012038:http://iopscience.iop.org/1742-6596/454/1/012038/]])]&br; 
 -Tomoyuki Obuchi, Yoshiyuki Kabashima and ''Kei Tokita''&br;
 COLOR(#ee0022){"Multiple peaks of species abundance distributions induced by sparse interactions"}&br;
 '''Physical Review E''' ''94'' (2016.8.23) 022312 (5pages) –  [Preprint ([[arXiv:1605.09106 [q-bio.PE]:http://arxiv.org/abs/1605.09106]]), DOI: [[10.1103/PhysRevE.94.022312:http://dx.doi.org/10.1103/PhysRevE.94.022312]]]
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"Dynamic stability and chaotic multispecies-coexistence in a food web model"} &ref(2015_KT_ASTE_B11_59-62.pdf);&br;
 Advances in Science, Technology and Environmentology (ASTE), Vol.B11 (2015.3) pp.59-62. &br;Special Issue on [[New Challenges in Complex Systems Science:http://www.aizawa.phys.waseda.ac.jp/NCCSS/?page_id=19]], Research Institute for Science and Engineering, Waseda University.
 
 -Katsuhiko Yoshida and ''Kei Tokita''&br;
 COLOR(#ee0022){"Properties of ecosystems those are vulnerable during eco-fusion"}&br;
 '''Scientific Reports''' ''5'' (2015) 7939. (6 pages) DOI:[[10.1038/srep07939:http://www.nature.com/srep/2015/150129/srep07939/full/srep07939.html]]. (Jan29)
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"Analytical theory of species abundance distributions of a random community model"} &br;
 //&ref{2014PopEcolKT.pdf}; &br;
 '''Population Ecology''' ''57''-1 (2015) pp.53-62. DOI:[[10.1007/s10144-014-0476-8:http://link.springer.com/article/10.1007/s10144-014-0476-8/fulltext.html]]. (Jan 21) &br;
 //Special Feature "Unravelling ecological networks: complexity-stability relations
 //and diversity of interaction types" for &br;
 //Plenary Symposium "Plenary Symposium A: Diversity of Interaction Types and Strengths and Network Structure and Dynamics of Ecological Communities"&br;
 //29th Annual Meeting of the Society of Population Ecology, October 11(Fri) - 13(Sun), 2013, Osaka Prefecture University.
 
 -Takeshi Oura and ''Kei Tokita'' &br;COLOR(#ee0022){"GPGPU simulations of 2D lattice neutral models in ecology"}  &br;
 '''Journal of Physics: Conference Series (CCP2012)''' ''454'' (2013) 012038 (7 pages) [Preprint &ref(OT2012.pdf);, Full text (DOI:[[10.1088/1742-6596/454/1/012038:http://iopscience.iop.org/1742-6596/454/1/012038/]])]&br; 
 
 -Haruyuki Irie and ''Kei Tokita''&br;COLOR(#ee0022){"Species-area relationship for power-law species abundance distribution"}&br; '''International Journal of Biomathematics''' ''5'' (2012) 1260024 (9 pages). [Preprint ([[q-bio.PE/0609012:http://jp.arxiv.org/abs/q-bio/0609012]]), Full text (DOI:[[10.1142/S1793524512600145:http://dx.doi.org/10.1142/S1793524512600145]])]
 
 -Yoshimi Yoshino, Tobias Galla and ''Kei Tokita''&br;COLOR(#ee0022){"Rank abundance relations in evolutionary dynamics of random replicators"}&br;'''Physical Review E''' ''78'' (2008) 031924 (11 pages). [Preprint ([[arXiv:0803.1082 [q-bio.PE]:http://arxiv.org/abs/0803.1082]]), Full text ([[APS Journal Online:http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLEEE8000078000003031924000001&idtype=cvips&gifs=yes]])]&br;
 -Yoshimi Yoshino, Tobias Galla and ''Kei Tokita''&br;COLOR(#ee0022){"Rank abundance relations in evolutionary dynamics of random replicators"}&br;'''Physical Review E''' ''78'' (2008) 031924 (11 pages). [Preprint ([[arXiv:0803.1082 [q-bio.PE]:http://arxiv.org/abs/0803.1082]]), Full text (DOI:[[10.1103/PhysRevE.78.031924:http://journals.aps.org/pre/abstract/10.1103/PhysRevE.78.031924]])]&br;
 Selected for [['''Virtual Journal of Biological Physics Research''':http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT02000016000007000102000001&idtype=cvips&gifs=Yes]]
 
 
 -Yoshimi Yoshino, Tobias Galla and ''Kei Tokita''&br;COLOR(#ee0022){"Statistical mechanics and stability of a model eco-system"}&br;'''Journal of Statistical Mechanics''' (2007) P09003 (24 pages). [Preprint ([[q-bio.PE/0705.1523v2:http://jp.arxiv.org/abs/0705.1523v2]]), Full text ([[IOP electric journals:http://www.iop.org/EJ/abstract/1742-5468/2007/09/P09003]])]
 
 -''Kei Tokita''&br;COLOR(#ee0022){"Statistical mechanics of relative species abundance"}  ([[概要>KT_EcoInfo_2006]])&br;'''Ecological Informatics''' ''1'' (2006) 315-324. [Preprint ([[q-bio/0607011:http://arxiv.org/abs/q-bio.PE/0607011]]),  Full text ([[Elsevier Science Direct:http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B7W63-4KBVX6N-1&_user=143915&_handle=V-WA-A-W-AC-MsSAYVA-UUW-U-AAZVAEVUBZ-AAZADDVYBZ-WWAWDYCWC-AC-U&_fmt=summary&_coverDate=11%2F30%2F2006&_rdoc=13&_orig=browse&_srch=%23toc%2328539%232006%23999989996%23635849!&_cdi=28539&_acct=C000011799&_version=1&_urlVersion=0&_userid=143915&md5=df84dd6e8ff01d9eb289e3eadc326ac0]])]&br;
 //Selected from the Fourth Conference of the International Society for Ecological Informatics (ISEI4), October 24--28, 2004, Pusan, Korea
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"Species abundance patterns in complex evolutionary dynamics"}  ([[概要>KT_PRL_2004]])&br;
 '''Physical Review Letters''' ''93'' (2004) 178102 (4 pages). [Preprint ([[nlin.AO/0409033:http://arxiv.org/abs/nlin.AO/0409033]]),  Full text ([[APS Journals Online:http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000093000017178102000001&idtype=cvips&gifs=Yes]])]]&br;
 '''Physical Review Letters''' ''93'' (2004) 178102 (4 pages). [Preprint ([[nlin.AO/0409033:http://arxiv.org/abs/nlin.AO/0409033]]),  Full text (DOI:[[10.1103/PhysRevLett.93.178102:http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.93.178102]])]&br;
 Selected for [['''Virtual Journal of Biological Physics Research''':http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT02000008000009000079000001&idtype=cvips&gifs=Yes/]]
 
 
 
 -''Kei Tokita'' and Ayumu Yastuomi&br; 
 COLOR(#ee0022){"Emergence of a complex and stable network in a model ecosystem with extinction and mutation"} ([[概要>TY_TPB_2003]])&br;
 '''Theoretical Population Biology''' ''63'' (2003) 131-146. [Preprint ([[nlin.AO/0210074:http://arXiv.org/abs/nlin/0210074]]),  Full text ([[Elsevier Science Direct:http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WXD-47HK3Y4-2&_user=10&_coverDate=03%2F31%2F2003&_alid=439687624&_rdoc=2&_fmt=summary&_orig=search&_cdi=7156&_sort=d&_docanchor=&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=6ae219dc808fccf209794796c6692960]])]
 
 
 
 -Tsuyoshi Chawanya and ''Kei Tokita''&br;
 COLOR(#ee0022){"Large-Dimensional Replicator Equations with Antisymmetric Random Interactions"} ([[概要>CT_JPSJ_2002]])&br;
 '''Journal of Physical Society of Japan''' ''71''-2 (2002) 429-431.  [Full text ([[JPSJ Online:http://jpsj.ipap.jp/cgi-bin/getarticle?magazine=JPSJ&volume=71&number=2&page=429-431]])]
 
 
 
 -''Kei Tokita'', Macoto Kikuchi and Yukito Iba&br;
 COLOR(#ee0022){"Dynamical Equation Approach to Protein Design"} ([[概要>TKI_PTP_2000]])&br;
 '''Progress of Theoretical Physics Supplement''' ''138'' (2000) 378-383. [Full text ([[PTP Online:http://ptp.ipap.jp/cgi-bin/getarticle?magazine=PTPS&volume=138&number=&page=378-383]])]
 
 
 
 -''Kei Tokita'' and Ayumu Yastuomi&br; 
 COLOR(#ee0022){"Extinction Dynamics in a Large Ecological System with Random Interspecies Interactions"}&br;
 '''Unifying Themes in Complex Systems'''&br;
 ed. Yaneer Bar-Yam, Perseus Books, Cambridge (2000) 541-556.
 
 
 
 -''Kei Tokita'' and Ayumu Yastuomi&br; 
 COLOR(#ee0022){"Mass Extinction in a Dynamical System of Evolution with Variable Dimension"} ([[概要>TY_PRE_1999]])&br;
 '''Physical Review E''' ''60'' (1999) 842-847. [Full text ([[APS Journals Online:http://ojps.aip.org/journal_cgi/getabs?KEY=PLEEE8&cvips=PLEEE8000060000001000842000001&gifs=Yes]])]
 
 
 
 -Yukito Iba, ''Kei Tokita'' and Macoto Kikuchi&br;
 COLOR(#ee0022){"Design Equation : A Novel Approach to Heteropolymer Design"}&br;
 '''Journal of Physical Society of Japan''' ''67'' (1998) 3985-3990.  [Full text ([[JPSJ Online:http://jpsj.ipap.jp/cgi-bin/getarticle?magazine=JPSJ&volume=67&page=3985&select1=http%3A%2F%2Fjpsj.ipap.jp%2Fjournal%2FJPSJ-73-3.html]])]
 
 
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"The Replica Symmetry Breaking Solution of the Hopfield Model at Zero Temperature : Critical Storage Capacity and Frozen Field Distribution"}&br;
 '''Journal of Physics A: Mathematical and General'''  ''27'' (1994) 4413-4424.  [Full text ([[IOP Electric Journals:http://www.iop.org/EJ/S/0/21672/Mw3HMPEiCQzbj3sAPcxAag/toc/0305-4470/27/13]])]
 
 
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"The Replica Symmetry Breaking Solution and the ``SK limit'' of the Hopfield Model"}&br;
 '''Journal of Physics A: Mathematical and General''' ''26'' (1993) 6915-6925.  [Full text ([[IOP Electric Journals:http://www.iop.org/EJ/S/0/21672/Mw3HMPEiCQzbj3sAPcxAag/toc/0305-4470/26/23]])]
 
 
 
 -''Kei Tokita''&br;
 COLOR(#ee0022){"Remanent overlaps in the Hopfield model with zero temperature sequential dynamics"}&br;
 '''Progress of Theoretical Physics''' ''90'' (1993) 329-335.  [Full text ([[PTP Online:http://ptp.ipap.jp/cgi-bin/getarticle?magazine=PTP&volume=90&number=2&page=329-335]])]
 
 
 
 -Yoji Aizawa and ''Kei Tokita''&br;
 COLOR(#ee0022){"Zipf Law in Non-linear Dynamics and Neural Nets"}&br;
 '''Proc. Int. Conf. Fuzzy Logic and Neural Networks (IIZUKA '90)''', Kyushu Institute of Technology, Iizuka,  Japan, July 20-24, (1990) pp.637-640.
 
 ** Thesis [#c1fa7a0a]
 
 - ''Kei Tokita''&br; COLOR(#ee0022){"Replica Symmetry Breaking and Multivalley Energy Landscape in the Hopfield Model"}&br;  Doctorate thesis, University of Tokyo (1994)
 - ''Kei Tokita''&br; COLOR(#ee0022){"Replica Symmetry Breaking and Multivalley Energy Landscape in the Hopfield Model"}&br;  Doctorate thesis, University of Tokyo (1994) [[UTokyo Repository>http://repository.dl.itc.u-tokyo.ac.jp/dspace/handle/2261/53784]]

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