Yo Ishizuka

892 total citations
19 papers, 630 citations indexed

About

Yo Ishizuka is a scholar working on Computational Theory and Mathematics, Numerical Analysis and Control and Systems Engineering. According to data from OpenAlex, Yo Ishizuka has authored 19 papers receiving a total of 630 indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Computational Theory and Mathematics, 10 papers in Numerical Analysis and 6 papers in Control and Systems Engineering. Recurrent topics in Yo Ishizuka's work include Optimization and Variational Analysis (14 papers), Advanced Optimization Algorithms Research (10 papers) and Optimization and Mathematical Programming (4 papers). Yo Ishizuka is often cited by papers focused on Optimization and Variational Analysis (14 papers), Advanced Optimization Algorithms Research (10 papers) and Optimization and Mathematical Programming (4 papers). Yo Ishizuka collaborates with scholars based in Japan, United States and Australia. Yo Ishizuka's co-authors include Kiyotaka Shimizu, Jonathan F. Bard, Anthony V. Fiacco, Eitaro Aiyoshi, V. Jeyakumar, B. M. Glover, K. Shimizu, A. M. Rubinov, Hoang Duong Tuan and Takenobu Yamamoto and has published in prestigious journals such as IEEE Transactions on Automatic Control, Journal of Mathematical Analysis and Applications and Mathematical Programming.

In The Last Decade

Yo Ishizuka

18 papers receiving 570 citations

Peers

Yo Ishizuka

CTM

CSE

MSOR

TRANS

Heinz Isermann Germany

Alain B. Zemkoho United Kingdom

Altannar Chinchuluun United States

Sourour Elloumi France

Cihan H. Tuncbilek United States

Refail Kasımbeyli Türkiye

Rafail N. Gasimov Türkiye

Philippe Mahey France

Matthew J. Saltzman United States

Xingju Cai China

Heinz Isermann Germany

Yo Ishizuka

255 ×0.7

CTM

345 ×1.1

CSE

198 ×0.9

140 ×1.3

MSOR

23 ×0.4

TRANS

Citations per year, relative to Yo Ishizuka Yo Ishizuka (= 1×) peers Heinz Isermann

Countries citing papers authored by Yo Ishizuka

Since Specialization

Citations

This map shows the geographic impact of Yo Ishizuka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Yo Ishizuka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yo Ishizuka more than expected).

Fields of papers citing papers by Yo Ishizuka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yo Ishizuka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Yo Ishizuka. The network helps show where Yo Ishizuka may publish in the future.

Co-authorship network of co-authors of Yo Ishizuka

This figure shows the co-authorship network connecting the top 25 collaborators of Yo Ishizuka. A scholar is included among the top collaborators of Yo Ishizuka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Yo Ishizuka. Yo Ishizuka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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19 of 19 papers shown

Irohara, Takashi, Hideaki Yamashita, & Yo Ishizuka. (2007). Facility Layout Problem with Buffer Space Allocation for Throughput and Material Handling Cost. 58(2). 87–96. 2 indexed citations

Yamashita, Hideaki, et al.. (2006). Mean and variance of waiting time and their optimization for alternating traffic control systems. Mathematical Programming. 108(2-3). 419–433. 2 indexed citations

Irohara, Takashi, Yo Ishizuka, & Hideaki Yamashita. (2005). The Stochastic Facility Layout Problems in Production Systems with Variable Processing Times( Production and Logistics). 55(6). 350–359. 1 indexed citations

Ishii, Chiharu, et al.. (2004). Quasi-optimization of certain parameters for parallel inverted pendulum systems via integrated design of structure/controller. Society of Instrument and Control Engineers of Japan. 1. 214–219. 4 indexed citations

Shimizu, Kiyotaka, Yo Ishizuka, & Jonathan F. Bard. (1997). Nondifferentiable and Two-Level Mathematical Programming. DIAL (Catholic University of Leuven). 278 indexed citations

Jeyakumar, V., A. M. Rubinov, B. M. Glover, & Yo Ishizuka. (1996). Inequality Systems and Global Optimization. Journal of Mathematical Analysis and Applications. 202(3). 900–919. 47 indexed citations

Ishizuka, Yo & Hoang Duong Tuan. (1996). Directionally differentiable multiobjective optimization involving discrete inclusions. Journal of Optimization Theory and Applications. 88(3). 585–616. 4 indexed citations

Glover, B. M., Yo Ishizuka, V. Jeyakumar, & Hoang Duong Tuan. (1996). Complete Characterizations of Global Optimality for Problems Involving the Pointwise Minimum of Sublinear Functions. SIAM Journal on Optimization. 6(2). 362–372. 21 indexed citations

Tuan, Hoang Duong & Yo Ishizuka. (1995). On Controllability And Maximum Principle for Discrete Inclusions^∗^∗A part of the paper was written while the first author was visiting the laboratory of Prof.S.Suzuki,Department of Mechanical Engineering, Sophia University,Tokyo,Japan$ef:. Optimization. 34(4). 293–316. 2 indexed citations

10.

Ishizuka, Yo & Eitaro Aiyoshi. (1992). Double penalty method for bilevel optimization problems. Annals of Operations Research. 34(1). 73–88. 67 indexed citations

11.

Ishizuka, Yo. (1992). Optimality conditions for directionally differentiable multi-objective programming problems. Journal of Optimization Theory and Applications. 72(1). 91–111. 14 indexed citations

12.

Fiacco, Anthony V. & Yo Ishizuka. (1990). Sensitivity and stability analysis for nonlinear programming. Annals of Operations Research. 27(1). 215–235. 102 indexed citations

13.

Fiacco, Anthony V. & Yo Ishizuka. (1990). Suggested research topics in sensitivity and stability analysis for semi-infinite programming problems. Annals of Operations Research. 27(1). 65–76. 3 indexed citations

14.

Ishizuka, Yo. (1988). Optimality Conditions for Quasi-Differentiable Programs with Application to Two-Level Optimization. SIAM Journal on Control and Optimization. 26(6). 1388–1398. 14 indexed citations

15.

Ishizuka, Yo. (1988). Farkas' theorem of nonconvex type and its application to a min-max problem. Journal of Optimization Theory and Applications. 57(2). 341–354. 7 indexed citations

16.

Shimizu, K., et al.. (1986). Constrained optimization methods in Hilbert spaces and their applications to optimal control problems with functional inequality constraints. IEEE Transactions on Automatic Control. 31(6). 559–564. 9 indexed citations

17.

Shimizu, K. & Yo Ishizuka. (1985). Optimality conditions and algorithms for parameter design problems with two-level structure. IEEE Transactions on Automatic Control. 30(10). 986–993. 20 indexed citations

18.

Ishizuka, Yo & Kiyotaka Shimizu. (1984). Necessary and sufficient conditions for the efficient solutions of nondifferentiable multiobjective problems. IEEE Transactions on Systems Man and Cybernetics. SMC-14(4). 625–629. 13 indexed citations

19.

Yamamoto, Y., et al.. (1978). The measurement principle for evaluating the performance of drugs and cosmetics by skin impedance. Medical & Biological Engineering & Computing. 16(6). 623–632. 20 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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