Parallel processing of the shear-warp factorization with the binary-swap method on a distributed-memory multiprocessor system. - Kentaro Sano; Hiroyuki Kitajima; Hiroaki Kobayashi; Tadao Nakamura (PRS, 1997)

Proposal of Application Architecture in Electronic Commerce Service between Companies. - Masakatsu Mori; Hideo Tsuru; Rei Itsuki; Hiroyuki Kitajima; Hiroshi Yajima (WECWIS, 1999)

A Method to calculate Basin bifurcation Sets for a Two-Dimensional Noninvertible Map. - Hiroyuki Kitajima; Hiroshi Kawakami; Christian Mira (Int. J. Bifurc. Chaos, 2000)

Bifurcation in coupled BVP neurons with external impulsive forces. - Hiroyuki Kitajima; Hiroshi Kawakami (ISCAS (3), 2001)

Chaotic Bursts and bifurcation in Chaotic Neural Networks with Ring Structure. - Hiroyuki Kitajima; Tetsuya Yoshinaga; Kazuyuki Aihara; Hiroshi Kawakami (Int. J. Bifurc. Chaos, 2001)

Bifurcation and Chaos of Synchronized States in oscillators with Hard Characteristics and State Coupling. - Hiroyuki Kitajima; Hiroshi Kawakami (Int. J. Bifurc. Chaos, 2002)

Face Pattern Recognition and Extraction From Multiple Persons Scene. - Tetsuo Hattori; Hiroyuki Kitajima; Toshinori Yamasaki (ICEIS (2), 2003)

Extraction of Feeling Information From Characters Using a Modified Fourier Transform. - Tetsuo Hattori; Hiroyuki Kitajima; Toshinori Yamasaki (ICEIS (2), 2003)

A Method for Handwritten Characters Recognition Based on a Vector Field. - Tetsuya Izumi; Tetsuo Hattori; Hiroyuki Kitajima; Toshinori Yamasaki (ICINCO (2), 2004)

Characters Recognition Using Vector Field and Linear Regression Model. - Tetsuya Izumi; Tetsuo Hattori; Hiroyuki Kitajima; Toshinori Yamasaki (IRI, 2004)

Synchronized States Observed in Coupled Four Oscillators. - Hiroyuki Kitajima; Hiroshi Kawakami; Tetsuo Hattori (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Bifurcations in Morris-Lecar neuron model. - Kunichika Tsumoto; Hiroyuki Kitajima; Tetsuya Yoshinaga; Kazuyuki Aihara; Hiroshi Kawakami (Neurocomputing, 2006)

Forced Synchronization in Morris-lecar Neurons. - Hiroyuki Kitajima; Jürgen Kurths (Int. J. Bifurc. Chaos, 2007)

Properties of variations in the periods of ring neural oscillators with noise. - Yo Horikawa; Hiroyuki Kitajima (Neurocomputing, 2009)

Properties of the transmission of pulse sequences in a bistable chain of unidirectionally coupled neurons. - Yo Horikawa; Hiroyuki Kitajima (Neurocomputing, 2010)

Bifurcation in mutually coupled three neurons with inhibitory synapses. - Eri Ioka; Yasuyuki Matusya; Hiroyuki Kitajima (ECCTD, 2011)

Generation Mechanism of Alternans in Luo-Rudy Model. - Hiroyuki Kitajima; Eri Ioka; Toru Yazawa (Int. J. Bifurc. Chaos, 2016)

Fold-Pitchfork Bifurcation, Arnold Tongues and Multiple Chaotic Attractors in a Minimal Network of Three Sigmoidal Neurons. - Yo Horikawa; Hiroyuki Kitajima; Haruna Matsushita (Int. J. Bifurc. Chaos, 2018)

Quasiperiodicity and Chaos Through Hopf-Hopf Bifurcation in Minimal Ring Neural Oscillators Due to a Single Shortcut. - Yo Horikawa; Hiroyuki Kitajima; Haruna Matsushita (Int. J. Bifurc. Chaos, 2019)

Flip-Flip Bifurcation in a Mathematical Cardiac System. - Hiroyuki Kitajima; Toru Yazawa (Int. J. Bifurc. Chaos, 2019)

Synchronous firing frequency dependence in unidirectional coupled neuronal networks with chemical synapses. - Eri Ioka; Kunichika Tsumoto; Hiroyuki Kitajima (Neurocomputing, 2019)

Bifurcation Analysis on a Generation of Early Afterdepolarization in a Mathematical Cardiac Model. - Hiroyuki Kitajima; Toru Yazawa (Int. J. Bifurc. Chaos, 2021)