| Design of spread-spectrum sequences using chaotic dynamical systems and ergodic theory CC Chen, K Yao, K Umeno, E Biglieri IEEE Transactions on Circuits and Systems I: Fundamental Theory and …, 2001 | 157 | 2001 |
| Corrections of the NIST statistical test suite for randomness SJ Kim, K Umeno, A Hasegawa arXiv preprint nlin/0401040, 2004 | 115 | 2004 |
| Method of constructing exactly solvable chaos K Umeno Physical Review E 55 (5), 5280, 1997 | 115 | 1997 |
| Cryptocurrency market efficiency in short-and long-term horizons during COVID-19: An asymmetric multifractal analysis approach S Kakinaka, K Umeno Finance Research Letters 46, 102319, 2022 | 111 | 2022 |
| Spreading sequences using periodic orbits of chaos for CDMA K Umeno, K Kitayama Electronics letters 35 (7), 545-546, 1999 | 68 | 1999 |
| Superposition of chaotic processes with convergence to Lévy’s stable law K Umeno Physical Review E 58 (2), 2644, 1998 | 56 | 1998 |
| Chaotic Monte Carlo computation: a dynamical effect of random-number generations KUK Umeno Japanese Journal of Applied Physics 39 (3R), 1442, 2000 | 48 | 2000 |
| On the NIST statistical test suite for randomness 金成主， 梅野健， 長谷川晃朗 電子情報通信学会技術研究報告= IEICE technical report: 信学技報 103 (499), 21-27, 2003 | 38 | 2003 |
| Improvement of SNR with chaotic spreading sequences for CDMA K Umeno, K Kitayama Proceedings of the 1999 IEEE Information Theory and Communications Workshop …, 1999 | 37 | 1999 |
| Apparatus and method for filtering a spectrum spread communication K Umeno, S Shih, A Yamaguchi US Patent 7,411,997, 2008 | 36 | 2008 |
| Asymmetric volatility dynamics in cryptocurrency markets on multi-time scales S Kakinaka, K Umeno Research in International Business and Finance 62, 101754, 2022 | 35 | 2022 |
| Exploring asymmetric multifractal cross-correlations of price–volatility and asymmetric volatility dynamics in cryptocurrency markets S Kakinaka, K Umeno Physica A: Statistical Mechanics and its Applications 581, 126237, 2021 | 35 | 2021 |
| Higher-order decomposition theory of exponential operators and its applications to QMC and nonlinear dynamics M Suzuki, K Umeno Computer Simulation Studies in Condensed-Matter Physics VI: Proceedings of …, 1993 | 33 | 1993 |
| Preseismic ionospheric anomalies detected before the 2016 Kumamoto earthquake T Iwata, K Umeno Journal of Geophysical Research: Space Physics 122 (3), 3602-3616, 2017 | 32 | 2017 |
| Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit K Umeno US Patent 7,099,366, 2006 | 32 | 2006 |
| Construction of optimal chaotic spreading sequence using Lebesgue spectrum filter K Umeno, A Yamaguchi IEICE transactions on fundamentals of electronics, communications and …, 2002 | 30 | 2002 |
| Communicating apparatus and communicating method K Umeno, A Hasegawa, M Kao US Patent 7,697,590, 2010 | 29 | 2010 |
| Blind source separation of chaotic laser signals by independent component analysis M Kuraya, A Uchida, S Yoshimori, K Umeno Optics Express 16 (2), 725-730, 2008 | 29 | 2008 |
| Randomness evaluation with the discrete Fourier transform test based on exact analysis of the reference distribution H Okada, K Umeno IEEE Transactions on Information Forensics and Security 12 (5), 1218-1226, 2017 | 28 | 2017 |
| Pseudo-random number sequence filter, filtering method and data recording medium K Umeno US Patent 7,466,780, 2008 | 25 | 2008 |
Ezio BiglieriUniversitat Pompeu Fabra Zweryfikowany adres z ieee.org
