小林久志 (計算機科学者)
S-W. Seo, P. R. Prucnal, and H. Kobayashi, “The generalized multihop shuffle networks," IEEE Trans. Communications, Vol. 44, No. 9, pp. 1205-1211, September 1996
C. L. Ng, S-W Seo, and H. Kobayashi, “Performance Analysis of Generalized Multihop Shuffle Networks," Proc. of IEEE Infocom'97, Kobe, Japan, April 7-11, 1997.
I. P. Kaminow and H. Kobayashi, “Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system," U.S. Patent No. 5,623,356. April 22, 1997.
J-K. Rhee, H. Kobayashi, and W. S. Warren, “Optical Frequency Domain Differential Phase Shift Keying in Femtosecond-Pulse Spectral Modulation Systems," Journal of Lightwave Technology, Vol. 15, No. 12, pp. 2214-2222, December 1997.
W. S. Warren, J-K. Rhee and H. Kobayashi, “Apparatus for spectral encoding and decoding of femtosecond optical pulses," U.S. Patent, No. 5,907,421, May 25, 1999.
S-H. G. Chan and H. Kobayashi, “Packet Scheduling Algorithms and Performance of a Buffered Shufflenet with Deflection Routing," IEEE/OSA Journal of Lightwave Technology, Vol. 18, No. 4, pp. 490-501, April 2000.
無線通信システムの解析 (Analysis of wireless communication systems)
H. Kobayashi, S-Z. Yu and B. L. Mark, “An integrated mobility and traffic model for resource allocation in wireless networks," Proc. 35d ACM International Workshop on Wireless mobile multimedia, pp. 39-47, August 1, 2000.
P. Castoldi and H. Kobayashi, “Co-channel interference Mitigation Detectors for Multirate Transmission in TD-CDMA Systems," IEEE Journal on Selected Areas in Communications, Vol. 20, No. 2, February 2002, pp. 273-286.
A. F. Molisch et al. “A low-cost time-hopping impulse radio system for high data rate transmission," EURASIP Journal on Applied Signal Processing, Vol. 2005, pp. 397-412
S. Gezici, H. Kobayashi, H. V. Poor and A. F. Molisch, “Performance evaluation of impulse readio UWB systems with pulse-based polarity randomization," IEEE Trans Signal Processing, Vol. 53, No. 7, July 2005, pp. 2537-2549.
S. Gezici, Z. Sahubiglu, H. Kobayashi, and H. V. Poor, “Ultra-wideband impulse radio systems with multiple types," IEEE Journal on Selected Areas in Communications, Vol. 24, No. 4, April 2006, pp. 892-898.
S. Z. Yu and H. Kobayashi, “System for wireless push and pull based services," U.S. Patents, No. 7,058,691,& No. 7,284,035, June 6, 2006 &. Oct. 16, 2007
S. Gezici, A. F. Molisch, H. V. Poor, and H. Kobayashi, “The tradeoff between processing gains of an impulse radio UWB system in the presence of timing jitter," IEEE Trans. Communications, Vol. 55, No. 8, August 2007, pp. 1504-1515.
S. Gezici, Z. Sahinoglu, A. F. Molisch, H. Kobayashi and H. V. Poor, “Two-step time of arrival estimation for pulse-based ultra-wideband systems," EURASIP Journal on Advances in Signal Processing, Vol. 2008, No. 1, Dec. 1, 2008, pp. 329134 (11 pages).
EMアルゴリズムとその応用 (EM Algorithm and Applications)
X. Ma, H. Kobayashi and S. C. Schwartz, “An EM-based Estimation of OFDM signals," 2002 IEEE Wireless Communications and Networking Conf. Record, Vol. 1, pp. 228-232. March 17, 2002.
L. Zeger and H. Kobayashi, “A Simplified EM Algorithm for Detection of CPM Signals in a Fading Multipath Channel," Wireless Networks, Vol. 8, 2002, pp. 649-658.
X. Ma, H. Kobayashi and S. C. Schwartz, “EM-based Channel Estimation for OFDM," European Journal on Applied Signal Processing (EURASIP JASP), No. 10, October, 2004, pp. 1460-1477.
X. Ma, H. Kobayashi, S. C. Schwartz, D Gu and J. Zhang, “Expectation-maximization-based channel estimation and signal detection for wireless communications systems," U.S. Patent, No. 7,092,436, August 15, 2006.
地理位置算定法 (Geo-location)
S. Gezici, Z. Sahinoglu, H. Kobayashi and H. V. Poor, “Chapter 3: Ultra wideband geolocation," in H. Arslan and Z. N. Chen, (eds.), in Ultra Wideband Wireless Communications, John Wiley & Sons, Inc., 2006, pp. 43-76.
S. Gezici, Z. Tian, G. B. Giannakis, H. Kobayashi, A. Molisch and H. V. Poor, “Localization via ultra-wideband radios: a look at positioning aspects for future sensor networks," IEEE Signal Processing Magazine, Vol. 22, Issue 4, pp. 70-84, April 7, 2005.
Y. Qi, H. Kobayashi and H. Suda, “Analysis of Wireless Geolocation in a Non-line-of-sight Environment," IEEE Trans. Wireless Communications, Vol. 5, Issue 2, March 2006, pp. 672-681.
Y.Qi, H. Kobayashi and H. Suda, “On time-of-arrival positioning in a multipath environment," IEEE Trans. Vehicular Technology, Vol. 55, Issue 5, Sept, 2006, pp. 1516-1526.
S. Gezici, Z. Sahinoglu, H. Kobayashi and H. V. Poor, “Ultra qideband geolocation," Ultra Wideband Wireless Communication, Sept. 11, 2006. pp. 43-47.
隠れセミマルコフ・モデル(Hidden Semi-Markov Model: HSMM)
S-Z. Yu and H. Kobayashi, “A Hidden Semi-Markov Model with Missing Data and Multiple Observation Sequences for Mobility Tracking," Signal Processing: an International Journal, (EURASIP), Vol. 83, No. 2, pp. 235-250, February 2003.
S-Z. Yu and H. Kobayashi, “An Efficient Forward-Backward Algorithm for an Explicit Duration Hidden Markov Model," IEEE Signal Processing Letters, Vol. 10, no. 1, pp. 11-14, January 2003.
S-Z. Yu and H. Kobayashi, “Practical implementation of an efficient forward-backward algorithm for an explicit-duration hidden Markov model," IEEE Trans. Signal Processing, Vol. 54, No. 5, May 2005, pp. 1947-1951.
ネットワーク・セキュリティと新世代ネットワーク(Network Security and New Generation Network)
I. Avramopoulos, H. Kobayashi, and R. Y. Wang, “A Routing Protocol with Byzantine Robustness," Proc. 2003 IEEE Sarnoff Symposium, March 2003.
Q. Huang, H. Kobayashi and B. Liu, “Modeling and Defending against Distributed Denial of Service Attack," in Information Society Series: Vol. 1, Techno-Legal Aspects of Information Society and New Economy: an Overview, FOMATEX (2003).
I. Avramopoulos, H. Kobayashi, R. Wang and A. Krishnamurthy, “Highly Secure and Efficient Routing," Proc. IEEE INFOCOM 2004, Hong Kong, April 2004. “Amendment to: Highly Secure and Efficient Routing," Feb. 24, 2004
I. Avramopoulos, H. Kobayashi, A. Krishnamurthy and R. Wang, “Chapter 2: Secure Routing," in C. Douligeris and D. Serpanos (Eds.), Network Security, Current Status and Future Directions, Wiley-IEEE Press, 2007, pp. 15-32.
H. Kobayashi, “Keynote: An End to the End-to-End Argument," Workshop: Visions of Future Generation Networks (Euroview 2009), Univ. of Würzburg, Germany, July 27-28, 2009.
リーマン仮説に関しても積極的に研究を継続し、自身のホームページ等で成果を公開している。
H. Kobayashi, “Towards a proof of the Riemann Hypothesis (RH): No.1. Euler's zeta function," posted on hp.hisashikobayashi.com, November 16, 2015.
H. Kobayashi, “No. 2. Riemann's Zeta Function ς(s) and the Riemann Hypothesis," posted on hp.hisashikobayashi.com, December 5, 2015.
H. Kobayashi, “No. 3. Riemann's xi ξ(s) Function and Its product form representation," posted on hp.hisashikobayashi.com, December 11, 2015.
H. Kobayashi, “No. 4: Fourier Transform Representation of the Function ξ(s)," posted on hp.hisashikobayashi.com, December 12, 2015.
H. Kobayashi, “No.5. Some results on the ξ(s) and Ξ(t) functions associated with Riemann's ς(s) function," posted on hp.hisashikobayashi.com, January 11, 2016. Also published on Arxiv.org https://archive.org/details/arxiv-1603.02954 on March 4, 2016.
H. Kobayashi, “No.6. Local Extrema of the Ξ(t) Function and the Riemann Hypothesis," posted on hp.hisashikobayashi.com, March 29, 2016. Also published on Arxiv.org. https://arxiv.org/abs/1603.02911 March 5, 2016.
H. Kobayashi, “No. 7. The Z(t) function, Gram's Law, Riemann-von Mangoldt Formula and Lehmer's Phenomenon," posted on hp.hisashikobayashi.com, July 14, 2016.
H. Kobayashi, “No. 8. Negativity of d2 /dt2 log Ξ(t) and a conjecture on a sufficient condition for the Riemann hypothesis," posted on hp.hisashikobayashi.com, December 12, 2016.
H. Kobayashi, “No. 9. Application of the Euler-Maclaurin summation to the log differentials of M(t)=|ς(0.5+it)|," posted on hp.hisashikobayashi.com, December 21, 2016.
その他、最近のコロナウィルス伝染に関し、確率過程の立場から新しいモデルを提唱し、解析の成果を発表している。リサーチモノグラフを執筆中。
H. Kobayashi, “Stochastic Modeling of an Infectious Disease, Part I: Understand the Negative Binomial Distribution and Predict an Epidemic More Reliably," June 2, 2020.   https://arxiv.org/abs/2006.01586
H. Kobayashi, “Keynote Speech: Stochastic Modeling of an Infectious Disease," ITC 32, September 23, 2020, https://www.youtube.com/watch?v=kn3EiQsvkps
H. Kobayashi, “Stochastic Modeling of an Infectious Disease,  Part II: Simulation Experiments and Verification of the Analysis,"  January 26, 2021.     https://arxiv.org/abs/2101.11394
H. Kobayashi, “Stochastic Modeling of an Infectious Disease,  Part III-A: Analysis of Time-Nonhomogeneous Models," January 22, 2021.     https://arxiv.org/abs/2101.09109
H. Kobayashi, “Stochastic Modeling of an Infectious Disease,  Part III-B: Analysis of the Time-Nonhomogeneous BDI Process and Simulation Experiments of both BD and BDI Processes," March 31, 2021. https://arxiv.org/abs/2104.00529
H. Kobayashi, “Stochastic Modeling of an Infectious Disease,  Part IV: Further Results on the BDI Process Model and Analysis of Multiple Types (Variants) of Corona-Virus," August 27, 2021. https://hp.hisashikobayashi.com/stochastic-modeling-of-an-infectious-disease-part-iv-further-results-on-the-bdi-process-model-and-analysis-of-multiple-types-variants-of-corona-virus/
H. Kobayashi, “A probabilistic Model of an Infectious Disease, based on the BDI Process, and Maximum-Likelihood Estimation of the Model Parameters," Presented at a joint conference “OR in Health Care" and “Dynamic Decision Models and Applications." The Operations Research Society of Japan, Sept. 29, 2021. The abstract and slides are posted on https://hp.hisashikobayashi.com/a-probabilistic-model-of-an-infectious-disease-based-on-the-bdi-process-and-maximum-likelihood-estimation-of-the-model-parameters/
H. Kobayashi, “Stochastic Modeling of an Infectious Disease, Part V: Maximum Likelihood Estimation of the BDI (birth-and-death-with-immigration) Process Parameters," October 1, 2021. https://hp.hisashikobayashi.com/stochastic-modeling-of-an-infectious-disease-part-v-maximum-likelihood-estimation-of-the-bdi-birth-and-death-with-immigration-process-parameters/
クラシック音楽旋律のマルコフモデル:
Kobayashi, "A Markov Chain Interpretation of some Arpeggios in Beethoven's Moonlight Sonata, 1st Movement", posted on hp.hisashikobayashi.com, May 20, 2019。
代表的な著書を記載する。
H. Kobayashi, B. L. Mark, and W. Turin, Probability, Random Processes and Statistical Analysis, Cambridge University Press, 2012. (『確率、ランダム過程、及び統計解析』 (2012年)、Brian L. Mark および William Turin と共著、ケンブリッジ大学出版局)
H. Kobayashi and B. L. Mark, System Modeling and Analysis: Foundations of System Performance Evaluation. Pearson/Prentice Hall, 2009. (『システムのモデル化と解析: システム性能評価の基盤』(2009年)、Brian L. Mark と共著、ピアソン=プレンティス・ホール)
H. Kobayashi, Modeling and Analysis: An Introduction to System Performance Evaluation Methodology, Addison-Wesley, 1978. (『モデル化と解析: システム性能評価方法論への入門』(1978年)、アディソン=ウェズリー出版社)
専門分野における国際的に活発な活動に加えて、日本の高等教育の問題、大学改革への提言、創造性、国際競争力の強化、寄付活動、インタビュー、随筆の著述など、幅広く社会貢献を行っている。
教育・大学問題 (Education and University Issues)
小林久志「巻頭言:英才教育と博士課程の充実を」コンピュータ・ソフトウエア、1巻、第3号、1984年10月15日、岩波書店
小林久志｢博士課程制度の充実に向けて｣日経サイエンス・巻頭言、1992年1月号,
招待論文「寄稿:我が国の大学改革への提言」電子情報通信学会誌平成4年11月号、創立75周年記念「21世紀への展望」特集、pp. 1164-1168.
小林久志「論説:日本の大学改革への提言」工業教育、第41巻第1号、平成5年1月pp.5-9
「インタビュー記事:工学部に見る日米の違い」電気学会誌、1993年増刊号、pp.10-18.
小林久志「米国から見た日本の大学の良い点、悪い点とその改善策」、講演要旨・国際シンポジウム「大学における教育と研究―21世紀に向けての新展開」平成6年1月10-11日, (平成6年12月発行) pp.10-14. .
招待論文「論説:どの様にして日本の大学を世界の一流にするか?」日本機械学会誌、1994年12月号、
招待講演「日本とアメリカの大学が抱える課題」第二回大学改革シンポジウム、文部省・東京大学 1996年11月26-27日,
小林久志「日米の大学の抱える問題点:我々は如何に取り組むべきか?」21世紀に向けての産官学連携戦略―ネットワーク社会における科学と産業、奈良先端科学技術大学院大学・AGIP21 研究会編、化学工業日報社、1998年3月20日発行、pp.103-122.
基調講演「21世紀の大学」大阪大学、情報科学技術大学院、第一回シンポジウム、2002年、11月11日。
Keynote Address, “The Role of Higher Education in the Age of Globalization," at Conference on “Higher Education Reform in Japan and Germany—Taking Stock and Looking Ahead," Hitotsubashi Memorial Hall, February 28, 2006