Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CCS |
2022-03-27 13:50 |
Hokkaido |
RUSUTSU RESORT HOTEL & CONVENTION (Primary: On-site, Secondary: Online) |
Proposal of 256 Lightweight Chaotic Cipher Postero-Xaos Keisuke Nakayasu, Ken Umeno (Kyoto Univ.) CCS2021-44 |
[more] |
CCS2021-44 pp.48-53 |
CCS |
2019-11-14 14:15 |
Hyogo |
Kobe Univ. |
Optimization and Parallelization of Superefficient Chaotic Monte Carlo Computation Xiao Jin, Ken Umeno (Kyoto Univ.) CCS2019-27 |
(To be available after the conference date) [more] |
CCS2019-27 pp.15-18 |
CCS |
2019-11-14 14:55 |
Hyogo |
Kobe Univ. |
[Invited Talk]
Superefficient Monte Carlo Computation
-- Why chaotic correlation matters in efficiency of Monte Carlo computation? and similarity between quantum computation and superefficient Monte Carlo computation -- Ken Umeno (Kyoto Univ.) |
[more] |
|
CCS |
2017-03-11 09:30 |
Tokyo |
ELSI, TITECH |
Proposal of New DFT Test Based on Exact Reference Distribution: Theory and Experiments Atsushi Iwasaki, Ken Umeno (Kyoto Univ.) CCS2016-49 |
[more] |
CCS2016-49 pp.25-30 |
CCS |
2016-08-10 09:30 |
Hokkaido |
Yoichi Chuo kominkan |
The Parameter Estimation of Levy's Stable Distributions and its Application to the Stock Market Takumi Fukunaga, Ken Umeno, Masaru Shintani (Kyoto Univ.) CCS2016-21 |
[more] |
CCS2016-21 pp.27-31 |
CCS |
2016-08-10 10:00 |
Hokkaido |
Yoichi Chuo kominkan |
Correlation analysis for Total Electron Content anomalies on 11th March, 2011 Takuya Iwata, Ken Umeno (Kyoto Univ.) CCS2016-22 |
[more] |
CCS2016-22 pp.33-36 |
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] |
2016-07-15 09:55 |
Yamaguchi |
|
Further improving security of Vector Stream Cipher Atsushi Iwasaki, Ken Umeno (Kyoto Univ.) ISEC2016-28 SITE2016-22 ICSS2016-28 EMM2016-36 |
Vector Stream Cipher (VSC) is a stream cipher which is very fast and is implemented lightly.
Some attacks for VSC have ... [more] |
ISEC2016-28 SITE2016-22 ICSS2016-28 EMM2016-36 pp.115-120 |
CCS |
2015-11-10 15:25 |
Kyoto |
Inamori Foundation Memorial Building, Kyoto Univ. |
Optimal CDMA Systems with Heterogeneous Autocorrelations of Constant Power Spreading Sequence
-- Theory and its Performance Evaluation -- Hirofumi Tsuda, Ken Umeno (Kyoto Univ.) CCS2015-64 |
Recently, the new spreading sequence obtained by Weyl sequence is proposed. Its crosscorrelation function follows O(1/N)... [more] |
CCS2015-64 pp.103-108 |
CCS |
2015-08-06 14:35 |
Hokkaido |
Dai-ichi Takimotokan (Noboribetsu, Hokkaido) |
Analysis of common noise-induced synchronization phenomena in chaotic systems with the Cauchy distributions Masaru Shintani, Ken Umeno (Kyoto Univ.) CCS2015-31 |
Cauchy distributions have various good characteristics for analysis. In this report, we analyze common noise-induced syn... [more] |
CCS2015-31 pp.11-16 |
CCS |
2015-08-06 15:45 |
Hokkaido |
Dai-ichi Takimotokan (Noboribetsu, Hokkaido) |
Almost periodicity frequency arrangement and application to satellite communication system Isao Nakazawa, Ken Umeno (Kyoto University) CCS2015-33 |
In the satellite communication that aims at safety and safety ICT in the next generation, the demand of a super-multiacc... [more] |
CCS2015-33 pp.23-26 |
CCS |
2015-08-07 10:45 |
Hokkaido |
Dai-ichi Takimotokan (Noboribetsu, Hokkaido) |
Discrete Fourier Transform Test Based on the Simultaneous Use of Multiple Sequences Hiroki Okada, Ken Umeno (Kyoto Univ.) CCS2015-42 |
In this paper, we review the problems in the Discrete Fourier
Transform (DFT) test included in SP800-22 released by ... [more] |
CCS2015-42 pp.73-78 |
NLP, CCS |
2015-06-11 15:30 |
Tokyo |
Waseda Univerisity |
Applicability and characteristics to satellite communications with power constant chaotic spreading sequence Isao Nakazawa, Ken Umeno (Kyoto Univ.) NLP2015-51 CCS2015-13 |
On explosion of Telecommunications and the Big Data, super-multi access satellite sensor network and high-speed satellit... [more] |
NLP2015-51 CCS2015-13 pp.73-78 |
NLP, CCS |
2015-06-12 13:35 |
Tokyo |
Waseda Univerisity |
Period of orbit and degree of Chebyshev polynomial on a ring of modulo $2^w$ Atsushi Iwasaki, Ken Umeno (Kyoto univ.) NLP2015-61 CCS2015-23 |
[more] |
NLP2015-61 CCS2015-23 pp.129-134 |
MSS |
2015-03-05 13:50 |
Ishikawa |
IT Business Plaza Musashi |
Path Finding Algorithms for large-scale building with structural change Tomohiro Shimizu, Ken Umeno (Kyoto Univ.), Alice Okabe, Atsuko Enomoto, Yoichi Nonaka (Hitachi) MSS2014-93 |
We introduce the problem to find optimal carry-out/carry-in paths for the maintenance tasks of a large-scale plant. To r... [more] |
MSS2014-93 pp.13-18 |
NLP |
2014-12-03 13:50 |
Tokyo |
Kyoto Univ. Tokyo Office |
Performance Analysis of Super Dense Multiple Access(SDMA) Communications Systems Using Almost Periodic Function Codes Tomoya Naohara, Ken Umeno (Kyoto Univ.) NLP2014-101 |
We propose a new communications system that is different from what is using PN codes or chaotic codes. It is based on th... [more] |
NLP2014-101 pp.11-16 |
NLP, CAS |
2014-10-16 16:45 |
Ehime |
Ehime University |
Periodical property of Chebyshev polynomials on the residue class rings modulo 2^w Atsushi Iwasaki, Ken Umeno (Kyoto Univ.) CAS2014-67 NLP2014-61 |
The odd degree Chebyshev polynomials are known to be permutation polynomials on the residue class rings modulo $2^w$,
... [more] |
CAS2014-67 NLP2014-61 pp.81-86 |
NLP, CAS |
2014-10-16 17:05 |
Ehime |
Ehime University |
Spread Spectrum Communications Based on Almost Periodic Functions
-- Almost Periodic Code Approach versus Chaotic Code Approach for Communications -- Ken Umeno (Kyoto Univ.) CAS2014-68 NLP2014-62 |
[more] |
CAS2014-68 NLP2014-62 pp.87-90 |
NLP |
2014-07-22 10:50 |
Hokkaido |
Hakodate City Central Library |
Performance Evaluation of Chaos CDMA Communications Systems Under the Fading Environment Tomoya Naohara, Ken Umeno (Kyoto Univ.) NLP2014-41 |
A digital filter named LSF(Lebesgue Spectrum Filter) that can suppress interference noise in asynchronous CDMA communica... [more] |
NLP2014-41 pp.53-58 |
NLP |
2014-07-22 11:30 |
Hokkaido |
Hakodate City Central Library |
Statistical Test for Randomness Based on a Chaotic Unitary Transform Hiroki Okada, Ken Umeno (Kyoto Univ.) NLP2014-42 |
[more] |
NLP2014-42 pp.59-64 |
NLP |
2014-07-22 11:55 |
Hokkaido |
Hakodate City Central Library |
The relation between modified Froeschle map and q-Gaussian distribution Kenichi Okubo, Ken Umeno (Kyoto Univ.) NLP2014-43 |
Froeschl'e map has Nekhoroshev regime ($epsilon leq 0.9$) and Chirikov regime ($1.3 leq epsilon$) which are distinguishe... [more] |
NLP2014-43 pp.65-70 |