A Novel Discrete Chaotic Dynamical System with Intriguing Periodicity and Bifurcation Structure.

Tetsushi Ueta https://orcid.org/0000-0001-5810-437X

Tomomichi Nakamura Tetsushi Ueta A Novel Discrete Chaotic Dynamical System with Intriguing Periodicity and Bifurcation Structure. 2025 35 Int. J. Bifurc. Chaos 10 https://doi.org/10.1142/s021812742530023x db/journals/ijbc/ijbc35.html#NakamuraU25 streams/journals/ijbc

Seiya Amoh Tetsushi Ueta Hiroshi Kawakami Transient Responses to Relaxation Oscillations in Multivibrators. 471-482 2024 12 IEEE Access https://doi.org/10.1109/ACCESS.2023.3345840 db/journals/access/access12.html#AmohUK24

Michiru Katayama Kenji Ikeda Tetsushi Ueta Stabilization of Laminars in Chaos Intermittency. 2450024:1-2450024:14 2024 February 34 Int. J. Bifurc. Chaos 2 https://doi.org/10.1142/S021812742450024X db/journals/ijbc/ijbc34.html#KatayamaIU24

Hiroki Tanioka Tetsushi Ueta Masahiko Sano Toward a Dialogue System Using a Large Language Model to Recognize User Emotions with a Camera. 2024 abs/2408.07982 CoRR https://doi.org/10.48550/arXiv.2408.07982 db/journals/corr/corr2408.html#abs-2408-07982 streams/journals/corr

Yuu Miino Tetsushi Ueta Structurally Unstable Synchronization and Border-Collision Bifurcations in the Two-Coupled Izhikevich Neuron Model. 2330040:1-2330040:15 2023 December 33 Int. J. Bifurc. Chaos 16 https://doi.org/10.1142/S0218127423300409 db/journals/ijbc/ijbc33.html#MiinoU23

Yuri Lucas Direbieski Hiroki Tanioka Kenji Matsuura Hironori Takeuchi Masahiko Sano Tetsushi Ueta Security Impact Analysis of Degree of Field Extension in Lattice Attacks on Ring-LWE Problem. 1441-1446 2023 COMPSAC https://doi.org/10.1109/COMPSAC57700.2023.00221 conf/compsac/2023 db/conf/compsac/compsac2023.html#DirebieskiTMTSU23

Yuri Lucas Direbieski Hiroki Tanioka Kenji Matsuura Hironori Takeuchi Masahiko Sano Tetsushi Ueta Security Impact Analysis of Degree of Field Extension in Lattice Attacks on Ring-LWE Problem. 2023 abs/2305.15772 CoRR https://doi.org/10.48550/arXiv.2305.15772 db/journals/corr/corr2305.html#abs-2305-15772

Yuu Miino Daisuke Ito Tetsushi Ueta Hiroshi Kawakami Locating and Stabilizing Unstable Periodic Orbits Embedded in the Horseshoe Map. 2150110:1-2150110:12 2021 31 Int. J. Bifurc. Chaos 4 https://doi.org/10.1142/S0218127421501108 db/journals/ijbc/ijbc31.html#MiinoIUK21

Rina Yano Hiroki Tanioka Kenji Matsuura Masahiko Sano Tetsushi Ueta Quantitative Measurement and Analysis to Thinking as a Way of Programming for Elementary School in Japan. 163-168 2020 IIAI-AAI https://doi.org/10.1109/IIAI-AAI50415.2020.00040 conf/iiaiaai/2020 db/conf/iiaiaai/iiaiaai2020.html#YanoTMSU20 Kohei Kawanaka Rabarison M. Felicia Hiroki Tanioka Masahiko Sano Kenji Matsuura Tetsushi Ueta Improving Animal Recognition Accuracy using Image De-fencing. 534-537 2019 IIAI-AAI https://doi.org/10.1109/IIAI-AAI.2019.00114 conf/iiaiaai/2019 db/conf/iiaiaai/iiaiaai2019.html#KawanakaFTSMU19 Kaoru Kimura Rabarison M. Felicia Kohei Kawanaka Hiroki Tanioka Tetsushi Ueta Animal Stamp Rally Application using Image Recognition. 1077-1078 2019 IIAI-AAI https://doi.org/10.1109/IIAI-AAI.2019.00234 conf/iiaiaai/2019 db/conf/iiaiaai/iiaiaai2019.html#KimuraFKTU19

Yuu Miino Tetsushi Ueta Influence of Bifurcation Structures Revealed by Refinement of a Nonlinear Conductance in JosephsonJunction Element. 8931525:1-8931525:10 2018 2018 Complex. https://doi.org/10.1155/2018/8931525 db/journals/complexity/complexity2018.html#MiinoU18

Yuu Miino Daisuke Ito Hiroyuki Asahara Takuji Kousaka Tetsushi Ueta A general method to stabilize unstable periodic orbits for switched dynamical systems with a periodically moving threshold. 2380-2393 2018 46 Int. J. Circuit Theory Appl. 12 https://doi.org/10.1002/cta.2573 https://www.wikidata.org/entity/Q129093140 db/journals/ijcta/ijcta46.html#MiinoIAKU18

Michitomo Morii Hiroki Tanioka Kenji Ohira Masahiko Sano Yosuke Seki Kenji Matsuura Tetsushi Ueta Research on Integrated Authentication Using Passwordless Authentication Method. 682-685 2017 COMPSAC (1) https://doi.org/10.1109/COMPSAC.2017.198 https://doi.ieeecomputersociety.org/10.1109/COMPSAC.2017.198 conf/compsac/2017-1 db/conf/compsac/compsac2017-1.html#MoriiTOSSMU17 Hiroki Tanioka Takafumi Bando Kenji Matsuura Kenji Ohira Masahiko Sano Tetsushi Ueta Improving Document Availability in Storage. 997-1000 2017 IIAI-AAI https://doi.org/10.1109/IIAI-AAI.2017.139 https://doi.ieeecomputersociety.org/10.1109/IIAI-AAI.2017.139 conf/iiaiaai/2017 db/conf/iiaiaai/iiaiaai2017.html#TaniokaBMOSU17

Daisuke Ito Tetsushi Ueta Steady State Analysis of the TCP Network with RED Algorithm. 1247-1250 2016 99-A IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 6 https://doi.org/10.1587/transfun.E99.A.1247 http://search.ieice.org/bin/summary.php?id=e99-a_6_1247 db/journals/ieicet/ieicet99a.html#ItoU16

Daisuke Ito Tetsushi Ueta Takuji Kousaka Kazuyuki Aihara Bifurcation Analysis of the Nagumo-Sato Model and Its Coupled Systems. 2016 26 Int. J. Bifurc. Chaos 3 https://doi.org/10.1142/S0218127416300068 db/journals/ijbc/ijbc26.html#ItoUKA16 1630006:1-1630006:11

Ryo Takeno Yosuke Seki Masahiko Sano Kenji Matsuura Kenji Ohira Tetsushi Ueta A route navigation system for reducing risk of traffic accidents. 1-5 2016 GCCE https://doi.org/10.1109/GCCE.2016.7800543 conf/gcce/2016 db/conf/gcce/gcce2016.html#TakenoSSMOU16

Tetsushi Ueta Daisuke Ito Kazuyuki Aihara Can a Pseudo Periodic Orbit Avoid a Catastrophic Transition? 2015 25 Int. J. Bifurc. Chaos 13 https://doi.org/10.1142/S0218127415501850 db/journals/ijbc/ijbc25.html#UetaIA15 1550185:1-1550185:10

Yosuke Seki Kenji Matsuura Masahiko Sano Tetsushi Ueta Providing flexible authorization for shared group spaces by the attribute registration system. 256-261 2015 APNOMS https://doi.org/10.1109/APNOMS.2015.7275436 conf/apnoms/2015 db/conf/apnoms/apnoms2015.html#SekiMSU15

Daisuke Ito Tetsushi Ueta Takuji Kousaka Jun-ichi Imura Kazuyuki Aihara Controlling Chaos of Hybrid Systems by Variable Threshold Values. 2014 24 Int. J. Bifurc. Chaos 10 https://doi.org/10.1142/S0218127414501259 db/journals/ijbc/ijbc24.html#ItoUKIA14

Kenji Matsuura Yosuke Seki Masahiko Sano Tetsushi Ueta Design and Implementation of Organizational Authorization for a Network Monitoring System. 605-607 2014 CANDAR https://doi.org/10.1109/CANDAR.2014.70 https://doi.ieeecomputersociety.org/10.1109/CANDAR.2014.70 conf/ic-nc/2014 db/conf/ic-nc/candar2014.html#MatsuuraSSU14 Daisuke Ito Jun-ichi Imura Tetsushi Ueta Kazuyuki Aihara Energy saving controlling chaos. 405-408 2012 ISCAS https://doi.org/10.1109/ISCAS.2012.6272048 conf/iscas/2012 db/conf/iscas/iscas2012.html#ItoIUA12 Munehisa Sekikawa Akinori Tsuji Keiko Kimoto Ikkyu Aihara Daisuke Ito Tetsushi Ueta Kazuyuki Aihara Hiroshi Kawakami Optically coupled oscillators (OCOs) - LED fireflies. 1485-1486 2012 ACM Multimedia https://doi.org/10.1145/2393347.2396528 conf/mm/2012 db/conf/mm/mm2012.html#SekikawaTKAIUAK12 Kenji Matsuura Naka Gotoda Tetsushi Ueta Yoneo Yano Bridging Multiple Motor-Skills in a Community Site. 145-152 2010 KES (4) https://doi.org/10.1007/978-3-642-15384-6_16 conf/kes/2010-4 db/conf/kes/kes2010-4.html#MatsuuraGUY10

Takuji Kousaka Tetsushi Ueta Yue Ma Chaos Control Implementation by Interrupted Electric Circuit with Switching Delay. 2359-2362 2009 19 Int. J. Bifurc. Chaos 7 https://doi.org/10.1142/S0218127409024128 db/journals/ijbc/ijbc19.html#KousakaUM09

Tetsuya Yoshinaga Yoshihiro Imakura Ken'ichi Fujimoto Tetsushi Ueta Bifurcation Analysis of Iterative Image Reconstruction Method for Computed Tomography. 1219-1225 2008 18 Int. J. Bifurc. Chaos 4 https://doi.org/10.1142/S021812740802094X db/journals/ijbc/ijbc18.html#YoshinagaIFU08

Shigeki Tsuji Tetsushi Ueta Hiroshi Kawakami Bifurcation Analysis of Current Coupled BVP oscillators. 837-850 2007 17 Int. J. Bifurc. Chaos 3 https://doi.org/10.1142/S0218127407017586 db/journals/ijbc/ijbc17.html#TsujiUK07

Shigeki Tsuji Tetsushi Ueta Hiroshi Kawakami Hiroshi Fujii Kazuyuki Aihara Bifurcations in Two-Dimensional Hindmarsh-rose Type Model. 985-998 2007 17 Int. J. Bifurc. Chaos 3 https://doi.org/10.1142/S0218127407017707 db/journals/ijbc/ijbc17.html#TsujiUKFA07

Tetsushi Ueta Takuji Kousaka Shigeki Tsuji Occasional Delayed Feedback Control for Switched Autonomous Systems. 2474-2477 2007 conf/iscas/2007 ISCAS https://doi.org/10.1109/ISCAS.2007.378740 db/conf/iscas/iscas2007.html#UetaKT07 T. Kumano Tetsushi Ueta Hiroshi Kawakami Pattern emergence in strange attractors by directions of mappings. 2006 conf/iscas/2006 ISCAS https://doi.org/10.1109/ISCAS.2006.1693190 db/conf/iscas/iscas2006.html#KumanoUK06 Y. Toyosaki Tetsushi Ueta Takuji Kousaka Switch synchronizing delayed feedback control for piecewise linear systems. 2006 conf/iscas/2006 ISCAS https://doi.org/10.1109/ISCAS.2006.1693431 db/conf/iscas/iscas2006.html#ToyosakiUK06

Tetsushi Ueta Hiroshi Kawakami Chaos in Cross-Coupled BVP oscillators. 3359-3366 2005 15 Int. J. Bifurc. Chaos 10 https://doi.org/10.1142/S0218127405013940 db/journals/ijbc/ijbc15.html#UetaK05

Takuji Kousaka Tetsushi Ueta Yue Ma Hiroshi Kawakami Bifurcation analysis of a piecewise smooth system with non-linear characteristics. 263-279 2005 33 Int. J. Circuit Theory Appl. 4 https://doi.org/10.1002/cta.320 db/journals/ijcta/ijcta33.html#KousakaUMK05

Shigeki Tsuji Tetsushi Ueta Hiroshi Kawakami Kazuyuki Aihara Bifurcations in modified BVP neurons connected by inhibitory and electrical coupling. 6058-6061 2005 conf/iscas/2005 ISCAS (6) https://doi.org/10.1109/ISCAS.2005.1466021 db/conf/iscas/iscas2005-6.html#TsujiUKA05

Tetsushi Ueta Hisayo Miyazaki Takuji Kousaka Hiroshi Kawakami Bifurcation and Chaos in Coupled BVP oscillators. 1305-1324 2004 14 Int. J. Bifurc. Chaos 4 https://doi.org/10.1142/S0218127404009983 db/journals/ijbc/ijbc14.html#UetaMKK04

Shigeki Tsuji Tetsushi Ueta Hiroshi Kawakami Kazuyuki Aihara A Design Method of bursting Using Two-Parameter bifurcation Diagrams in Fitzhugh-nagumo Model. 2241-2252 2004 14 Int. J. Bifurc. Chaos 7 https://doi.org/10.1142/S0218127404010564 db/journals/ijbc/ijbc14.html#TsujiUKA04

Takuji Kousaka Yosihito Yasuhara Tetsushi Ueta Hiroshi Kawakami Experimental Realization of Controlling Chaos in the Periodically Switched Nonlinear Circuit. 3655-3660 2004 14 Int. J. Bifurc. Chaos 10 https://doi.org/10.1142/S0218127404011508 db/journals/ijbc/ijbc14.html#KousakaYUK04

Tetsushi Ueta Takuji Kousaka Tohru Kawabe Sang-Ho Hyon Partial external force control for piecewise smooth dynamical systems. 108-113 2004 conf/iastedCCS/2004 Circuits, Signals, and Systems db/conf/iastedCCS/iastedCCS2004.html#UetaKKH04 Sang-Ho Hyon Xin Jiang 0001 Takashi Emura Tetsushi Ueta Passive running of planar 1/2/4-legged robots. 3532-3539 2004 IROS https://doi.org/10.1109/IROS.2004.1389963 conf/iros/2004 db/conf/iros/iros2004.html#HyonJEU04

Tetsushi Ueta Guanrong Chen On Synchronization and Control of Coupled Wilson-cowan Neural oscillators. 163-175 2003 13 Int. J. Bifurc. Chaos 1 https://doi.org/10.1142/S0218127403006406 db/journals/ijbc/ijbc13.html#UetaC03

Tetsushi Ueta Hiroshi Kawakami Bifurcation in Asymmetrically Coupled BVP oscillators. 1319-1327 2003 13 Int. J. Bifurc. Chaos 5 https://doi.org/10.1142/S0218127403007199 db/journals/ijbc/ijbc13.html#UetaK03

Tetsushi Ueta Hiroshi Kawakami Chaos in cross-coupled BVP oscillators. 68-71 2003 conf/iscas/2003 ISCAS (3) https://doi.org/10.1109/ISCAS.2003.1204957 db/conf/iscas/iscas2003-3.html#UetaK03

Takuji Kousaka Tetsushi Ueta Hiroshi Kawakami Controlling Chaos in a State-Dependent Nonlinear System. 1111-1119 2002 12 Int. J. Bifurc. Chaos 5 https://doi.org/10.1142/S0218127402004942 db/journals/ijbc/ijbc12.html#KousakaUK02

Shigeki Tsuji Tetsushi Ueta Hiroshi Kawakami Kazuyuki Aihara An advanced design method of bursting in Fitzhugh-Nagumo model. 389-392 2002 conf/iscas/2002 ISCAS (1) https://doi.org/10.1109/ISCAS.2002.1009859 db/conf/iscas/iscas2002-1.html#TsujiUKA02 Yoko Uwate Yoshifumi Nishio Tetsushi Ueta Tohru Kawabe Tohru Ikeguchi Solving ability of Hopfield neural network with chaotic noise and burst noise for quadratic assignment problem. 465-468 2002 conf/iscas/2002 ISCAS (3) https://doi.org/10.1109/ISCAS.2002.1010261 db/conf/iscas/iscas2002-3.html#UwateNUKI02

Tetsushi Ueta Guanrong Chen Tohru Kawabe A Simple Approach to Calculation and Control of unstable periodic orbits in Chaotic piecewise-Linear Systems. 215-224 2001 11 Int. J. Bifurc. Chaos 1 https://doi.org/10.1142/S0218127401002092 db/journals/ijbc/ijbc11.html#UetaCK01

Takuji Kousaka Mitsushi Matsumoto Tetsushi Ueta Hiroshi Kawakami Minoru Abe Bifurcation analysis in hybrid nonlinear dynamical systems. 281-284 2001 conf/iscas/2001 ISCAS (3) https://doi.org/10.1109/ISCAS.2001.921302 db/conf/iscas/iscas2001-3.html#KousakaMUKA01 Tetsushi Ueta Shigeki Tsuji Tetsuya Yoshinaga Hiroshi Kawakami Calculation of the isocline for the fixed point with a specified argument of complex multipliers. 755-758 2001 conf/iscas/2001 ISCAS (3) https://doi.org/10.1109/ISCAS.2001.921442 db/conf/iscas/iscas2001-3.html#UetaTYK01

Tetsushi Ueta Guanrong Chen Bifurcation Analysis of Chen's equation. 1917-1932 2000 10 Int. J. Bifurc. Chaos 8 https://doi.org/10.1142/S0218127400001183 db/journals/ijbc/ijbc10.html#UetaC00

Zhi-Hong Guan Guanrong Chen Tetsushi Ueta On impulsive control of a periodically forced chaotic pendulum system. 1724-1727 2000 45 IEEE Trans. Autom. Control. 9 https://doi.org/10.1109/9.880633 db/journals/tac/tac45.html#GuanCU00

Tetsushi Ueta Guanrong Chen Bifurcation and bursting response in coupled neural oscillators. 475-478 2000 ISCAS https://doi.org/10.1109/ISCAS.2000.856100 conf/iscas/2000 db/conf/iscas/iscas2000.html#UetaC00 Takuji Kousaka Takashi Kido Tetsushi Ueta Hiroshi Kawakami Minoru Abe Analysis of border-collision bifurcation in a simple circuit. 481-484 2000 ISCAS https://doi.org/10.1109/ISCAS.2000.856370 conf/iscas/2000 db/conf/iscas/iscas2000.html#KousakaKUKA00 Tetsushi Ueta Guanrong Chen Bifurcation and chaos of Chen's equation. 505-508 2000 ISCAS https://doi.org/10.1109/ISCAS.2000.857482 conf/iscas/2000 db/conf/iscas/iscas2000.html#UetaC00a Tetsushi Ueta Guangrong Chen Tetsuya Yoshinaga Hiroshi Kawakami A numerical algorithm for computing Neimark-Sacker bifurcation parameters. 503-506 1999 conf/iscas/1999 ISCAS (5) https://doi.org/10.1109/ISCAS.1999.777619 db/conf/iscas/iscas1999-5.html#UetaCYK99

Yoshio Tanaka Tetsushi Ueta Hiroshi Kawakami Takashi Sumitomo A Robotic Truck Crane with Vibration Sensors. 213-217 1995 7 J. Robotics Mechatronics 3 https://doi.org/10.20965/jrm.1995.p0213 db/journals/jrm/jrm7.html#TanakaUKS95

Yoshio Tanaka Yasuo Yoshida Tetsushi Ueta Hiroshi Kawakami Vibration Suppressing Control of Flexible Rotary Crane Using Tip Position Sensor. 520-525 1992 4 J. Robotics Mechatronics 6 https://doi.org/10.20965/jrm.1992.p0520 db/journals/jrm/jrm4.html#TanakaYUK92

Minoru Abe Ikkyu Aihara Kazuyuki Aihara Seiya Amoh Hiroyuki Asahara Takafumi Bando Guangrong Chen Guanrong Chen Yuri Lucas Direbieski Takashi Emura Rabarison M. Felicia Hiroshi Fujii Ken'ichi Fujimoto Naka Gotoda Zhi-Hong Guan Sang-Ho Hyon Kenji Ikeda Tohru Ikeguchi Yoshihiro Imakura Jun-ichi Imura Daisuke Ito Xin Jiang 0001 Michiru Katayama Tohru Kawabe Hiroshi Kawakami Kohei Kawanaka Takashi Kido Keiko Kimoto Kaoru Kimura Takuji Kousaka T. Kumano Yue Ma Mitsushi Matsumoto Kenji Matsuura Yuu Miino Hisayo Miyazaki Michitomo Morii Tomomichi Nakamura Yoshifumi Nishio Kenji Ohira Masahiko Sano Yosuke Seki Munehisa Sekikawa Takashi Sumitomo Ryo Takeno Hironori Takeuchi Yoshio Tanaka Hiroki Tanioka Y. Toyosaki Akinori Tsuji Shigeki Tsuji Yoko Uwate Rina Yano Yoneo Yano Yosihito Yasuhara Yasuo Yoshida Tetsuya Yoshinaga