István Vályi

1.2k total citations · 1 hit paper
14 papers, 789 citations indexed

About

István Vályi is a scholar working on Control and Systems Engineering, Numerical Analysis and Computational Theory and Mathematics. According to data from OpenAlex, István Vályi has authored 14 papers receiving a total of 789 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Control and Systems Engineering, 5 papers in Numerical Analysis and 5 papers in Computational Theory and Mathematics. Recurrent topics in István Vályi's work include Advanced Control Systems Optimization (5 papers), Control Systems and Identification (5 papers) and Optimization and Variational Analysis (4 papers). István Vályi is often cited by papers focused on Advanced Control Systems Optimization (5 papers), Control Systems and Identification (5 papers) and Optimization and Variational Analysis (4 papers). István Vályi collaborates with scholars based in Austria, Hungary and United Kingdom. István Vályi's co-authors include Alexander B. Kurzhanski, Kenji Sugimoto, Manfred Deistler, Sándor M. Veres and Tatiana F. Filippova and has published in prestigious journals such as Journal of Optimization Theory and Applications, International Journal of Adaptive Control and Signal Processing and Periodica Mathematica Hungarica.

In The Last Decade

István Vályi

11 papers receiving 717 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Ellipsoidal Calculus for Estimation and Control

1997 658 citations Alexander B. Kurzhanski, István Vályi profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
István Vályi Austria	8	483	241	138	118	95	14	789
G. L. Blankenship United States	17	576 1.2×	139 0.6×	72 0.5×	91 0.8×	125 1.3×	70	1.1k
D.J. Clements Australia	15	584 1.2×	205 0.9×	80 0.6×	57 0.5×	169 1.8×	62	998
Atsumi Ohara Japan	13	866 1.8×	257 1.1×	51 0.4×	76 0.6×	87 0.9×	52	1.3k
B.T. Polyak Russia	12	500 1.0×	138 0.6×	59 0.4×	148 1.3×	107 1.1×	44	743
Philip D. Loewen Canada	19	527 1.1×	533 2.2×	95 0.7×	100 0.8×	215 2.3×	73	1.2k
Roland Hildebrand France	17	491 1.0×	187 0.8×	33 0.2×	126 1.1×	102 1.1×	61	879
F.J. Kraus Switzerland	13	615 1.3×	177 0.7×	24 0.2×	84 0.7×	68 0.7×	54	790
H. Kwakernaak Netherlands	13	812 1.7×	129 0.5×	90 0.7×	160 1.4×	121 1.3×	40	1.1k
Yoshito Ohta Japan	17	843 1.7×	159 0.7×	33 0.2×	51 0.4×	101 1.1×	107	1.1k
E.A. Galperin Canada	13	186 0.4×	231 1.0×	53 0.4×	63 0.5×	243 2.6×	89	653

Countries citing papers authored by István Vályi

Since Specialization

Citations

This map shows the geographic impact of István Vályi'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 István Vályi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites István Vályi more than expected).

Fields of papers citing papers by István Vályi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by István Vályi. 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 István Vályi. The network helps show where István Vályi may publish in the future.

Co-authorship network of co-authors of István Vályi

This figure shows the co-authorship network connecting the top 25 collaborators of István Vályi. A scholar is included among the top collaborators of István Vályi 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 István Vályi. István Vályi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

14 of 14 papers shown

1.

Kurzhanski, Alexander B. & István Vályi. (1997). Ellipsoidal Calculus for Estimation and Control. 658 indexed citations breakdown →

2.

Veres, Sándor M. & István Vályi. (1995). Frequency Selective Weakly-Dual Adaptive Control. IFAC Proceedings Volumes. 28(13). 83–88.

3.

Veres, Sándor M. & István Vályi. (1995). The Principle of Synergy in Adaptive Control. IFAC Proceedings Volumes. 28(16). 223–227.

4.

Deistler, Manfred & István Vályi. (1994). System Identification. Paper Presented on IIASA's 20th Anniversary. IIASA PURE (International Institute of Applied Systems Analysis). 1 indexed citations

5.

Kurzhanski, Alexander B., Kenji Sugimoto, & István Vályi. (1994). Guranteed state estimation for dynamical systems: Ellipsoidal techniques. International Journal of Adaptive Control and Signal Processing. 8(1). 85–101. 7 indexed citations

6.

Kurzhanski, Alexander B. & István Vályi. (1992). Ellipsoidal techniques for dynamic systems: Control synthesis for uncertain systems. IIASA PURE (International Institute of Applied Systems Analysis). 2(2). 87–111. 17 indexed citations

7.

Filippova, Tatiana F., Alexander B. Kurzhanski, Kenji Sugimoto, & István Vályi. (1992). Ellipsoidal Calculus, Singular Perturbations and the State Estimation Problems for Uncertain Systems. IIASA PURE (International Institute of Applied Systems Analysis). 1 indexed citations

8.

Kurzhanski, Alexander B. & István Vályi. (1992). Guaranteed State Estimation for Dynamic Systems: Beyond the Overviews. IFAC Proceedings Volumes. 25(15). 255–259. 8 indexed citations

9.

Kurzhanski, Alexander B. & István Vályi. (1991). Ellipsoidal Techniques: Guaranteed State Estimation. IIASA PURE (International Institute of Applied Systems Analysis). 1 indexed citations

10.

Kurzhanski, Alexander B. & István Vályi. (1991). Ellipsoidal techniques for dynamic systems: The problem of control synthesis. IIASA PURE (International Institute of Applied Systems Analysis). 1(4). 357–378. 11 indexed citations

11.

Vályi, István. (1987). Approximate saddle-point theorems in vector optimization. Journal of Optimization Theory and Applications. 55(3). 435–448. 34 indexed citations

12.

Vályi, István. (1986). On Approximate Vector Optimization. IIASA PURE (International Institute of Applied Systems Analysis). 2 indexed citations

13.

Vályi, István. (1985). A general maximality principle and a fixed point theorem in uniform space. Periodica Mathematica Hungarica. 16(2). 127–134. 34 indexed citations

14.

Vályi, István. (1985). Approximate solutions of vector optimization problems. Annual Review in Automatic Programming. 12. 246–250. 15 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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