2013
 Ryo Takahashi and Ken Umeno, "Performance Evaluation of CDMA Using Chaotic Spreading Sequence with Constant Power in Indoor Power Line Fading Channels", IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. (2014, in press). NEW
 K. Umeno and M. H. Kao, "Chaos Theory as the answer to limited spectrum?", ITU News, No.10, 2013.
 ChenAn Yang, Kung Yao, Ken Umeno and Ezio Biglieri, "Using Deterministic Chaos for Superefficient Monte Carlo Simulations", IEEE Circuits and Systems Magazine, 13 (2013), pp.26  35.
 Shun Ogawa, Spectral and formal stability criteria of spatially inhomogeneous solutions to the Vlasov equation for the Hamiltonian meanfield model, Phys. Rev. E 87, 062107 (2013), arXiv:1301.1130
 Ken Umeno, Statistical Mechanics of Information, Mathematical sciences (in Japanese) No. 600 (2013), pp. 3541
 K. Umeno and A.H. Sato, "Chaotic Method for Generating qGaussian Random Variables", IEEE Transactions on Information Theory, 59 (2013), pp.3199  3209.
＊Master course students write Master Theses obligatorily.
We show the titles and abstracts of master course students belonging to our laboratory during the last few years.
March 2014 


March 2013 

March 2012 

March 2011 

March 2010 

March 2009 

March 2008 

March 2007 
March 2014
Tomoki ARIIStudy on CDMA Systems with Primitive Root CodesAbstract :  
Satoshi IRIEStudy on the highprecision MonteCarlo computation using random numbers with nonuniform densityAbstract :  
Tomohiro KUSERobustness of interdependent networks with degreecorrelated interconnectionsAbstract :  
March 2013
Masato IWATATitleAbstract :  
Ryosuke OZAKITitleAbstract :  
Hiroshi KAJIKAWALinear Regression Analysis of Foreign Exchanges with a Method of Segmenting Time Series Based on the LikelihoodRatio TestAbstract :  
Yuzo MORITAAnalysis of Foreign Exchange Rates Based on Parametric Risk Assessment Procedures with qGaussian and Pearson type IV DistributionsAbstract :  
Genta YOSHIMURACapacityApproaching LDPC Codes Constructed from Extended ProtographsAbstract :  
March 2012
Kazuo IKEDAOpinion propagation using partisan voter models on several networksAbstract :  
Minoru NODAJapanese hotel statistics in terms of regional room capacitiesAbstract :  
Atsushi MORIOKAOptimization of routing strategies for data transfer in peertopeer networksAbstract :  
March 2011
Keigo NAGATAAnalysis of image encryption schemes using chaotic mapsAbstract :  
Takeshi NAKAMOTOEstimating the tail index of distributions: Case study on the foreign exchange marketAbstract :  
Kenta NISHIOKALog returns of stock values and qGaussian distributions: Application to the riskassessmentAbstract :  
March 2010
Takuya OHTANISequential associative memories on complex networksAbstract :  
Atsushi SUNAGAWAActive random walkers: a simple model fro catalyst dynamicsAbstract :  
March 2009
Makoto KIMIZUKAProperties of coupled double well systems with delay and noiseAbstract :  
Takeo KONDOSignal response in scalefree network of bistable unitsAbstract :  
Maiko NISHIMURAScaling analysis on quotation activities in the foreign exchange market: Empirical investigation and stochastic modelingAbstract :  
Takashi MARUYAMAVirus Spreading Models on PeertoPeer NetworkAbstract :  
March 2008
Shinpei IWAMAEffects of time delay on nonlinear stochastic systemsAbstract :  
Taiki KAWAMOTOEfficient packet routing strategy in complex networksAbstract :  
Hiroshi SAKAIDiscrimination and Cluster methods for multidimensional time series of the Foreign Exchange Market based on Spectral DistancesAbstract :  
Mitsuki TARAOInformation Flow and Causality in Coupled SystemsAbstract :  
March 2007
Motoya KOZAKIApplication of the Beck model to stock markets: ValueatRisk and portfolio risk assessmentAbstract :  
Kohei SHINTANIEmpirical analysis and numerical simulation of foreign exchange market dynamicsAbstract :  
Boyong JoeSelftuning of activation energy in a twostate systemAbstract :  
Yuki NAGANUMAPacket routing strategy using neural networks on complex networksAbstract :  
Yuma MATSUDASynchronization of a randomly coupled map model for neural networksAbstract :  