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Researcher · University of Latvia · Latvia

Alexander Šostak

Alexander Šostak publishes mostly in Management Science and Operations Research, Computational Theory and Mathematics and Geometry and Topology, on topics such as Fuzzy and Soft Set Theory, Rough Sets and Fuzzy Logic and Advanced Algebra and Logic.

World rank
#192,305
of 1,633,909 ranked researchers
Rank in Latvia
#12
of 618
Works
19
Citations
207
Citations per work
10.9

What does Alexander Šostak research?

Management Science and Operations Research: 47.6%Computational Theory and Mathematics: 28.6%Geometry and Topology: 9.5%Artificial Intelligence: 4.8%other fields: 9.5%48%top field
Management Science and Operations Research47.6%Computational Theory and Mathematics28.6%Geometry and Topology9.5%Artificial Intelligence4.8%other fields9.5%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Management Science and Operations Research48% of their works
  2. 2Computational Theory and Mathematics29% of their works
  3. 3Geometry and Topology10% of their works
  4. 4Artificial Intelligence5% of their works
  5. 5Astronomy and Astrophysics5% of their works
  6. 6Computational Mechanics5% of their works

Research topics

Which keywords describe Alexander Šostak's research?

The keywords of their largest research topics: Rough Sets, Fuzzy Sets, Decision Making, Soft Set Theory, Feature Selection, Granular Computing, Analytic Hierarchy Process and Fixed Point Theorems.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Rough Sets122 topics
  2. Fuzzy Sets102 topics
  3. Decision Making81 topic
  4. Soft Set Theory81 topic
  5. Feature Selection41 topic
  6. Granular Computing41 topic
  7. Analytic Hierarchy Process21 topic
  8. Fixed Point Theorems21 topic
  9. Fuzzy Logic21 topic
  10. Metric Spaces21 topic
  11. Residuated Lattices21 topic
  12. TOPSIS21 topic
  13. Finite Elements11 topic
  14. Finsler Geometry11 topic
  15. Fuzzy Logic Systems11 topic
  16. NURBS11 topic
  17. Riemannian Manifolds11 topic
  18. Type-2 Fuzzy Sets11 topic

Where does Alexander Šostak work?

Alexander Šostak's main affiliation in the publication record is University of Latvia, Latvia.

How many publications and citations does Alexander Šostak have?

Science Explorer counts 19 works and 207 citations for Alexander Šostak, ranking #192,305 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.