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University · Plovdiv · Bulgaria

Plovdiv University

In research, Plovdiv University stands highest in Physical Sciences (#4,707 of 12,888 worldwide), Social Sciences (#4,966 of 10,521 worldwide) and Computer Science (#2,963 of 4,667 worldwide), 2022–2025. Relative to its size it is most specialised in Mathematics — Mathematics is 6.7× its share of world research.

uni-plovdiv.bgROR OpenAlex
World rank, 2022–2025
#6,776
of 28,054 · #8,052 all time
Rank in Bulgaria
#8
of 92
Research works
2.9k
▲ 78% vs 2013–17
Citations
20k
6.8 per fractional work
Top-10% rate
12.6%
record average 16.5%
Open access
54%
world 28%

What is Plovdiv University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #4,707 of 12,888 11.6%376 #4894
Social SciencesDomain #4,966 of 10,521 14.4%173 #7285
Computer ScienceField #2,963 of 4,667 16.8%121 #4681
Social SciencesField #4,237 of 6,365 16.0%75 #7096
MedicineField #7,311 of 10,443 15.0%61 #13849
Health SciencesDomain #8,715 of 11,982 13.2%77 #15887
EngineeringField #6,093 of 6,636 5.5%84 #8957
Life SciencesDomain #7,171 of 7,800 12.8%97 #12624

Each strip is that field’s whole ranked pool, with the notch where Plovdiv University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#4,894 #4,707
  2. Social Sciences#7,285 #4,966
  3. Computer Science#4,681 #2,963
  4. Social Sciences#7,096 #4,237
  5. Medicine#13,849 #7,311
  6. Health Sciences#15,887 #8,715
  7. Engineering#8,957 #6,093
  8. Life Sciences#12,624 #7,171
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Plovdiv University specialise in?

Where its research is concentrated relative to its size: Mathematics takes 6.7× the share of its output that it takes of world research.

  1. MathematicsField · 57.1 works6.7×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.61× its world share, 55 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.80× its world share, 31 worksBiochemistry, Geneti…Immunology and Microbiology: 0.40× its world share, 3 worksImmunology and Micro…Neuroscience: 0.33× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.85× its world share, 5 worksPharmacology, Toxico…Chemical Engineering: 0.71× its world share, 2 worksChemical EngineeringChemistry: 2.56× its world share, 29 worksChemistryComputer Science: 2.14× its world share, 120 worksComputer ScienceEarth and Planetary Sciences: 0.57× its world share, 6 worksEarth and Planetary …Energy: 0.30× its world share, 2 worksEnergyEngineering: 0.77× its world share, 84 worksEngineeringEnvironmental Science: 0.88× its world share, 32 worksEnvironmental ScienceMaterials Science: 1.01× its world share, 25 worksMaterials ScienceMathematics: 6.72× its world share, 57 worksMathematicsPhysics and Astronomy: 1.14× its world share, 18 worksPhysics and AstronomyDentistry: 0.33× its world share, 1 worksDentistryHealth Professions: 0.50× its world share, 10 worksHealth ProfessionsMedicine: 0.44× its world share, 61 worksMedicineNursing: 1.36× its world share, 5 worksNursingVeterinary: 0.51× its world share, 0 worksVeterinaryArts and Humanities: 1.24× its world share, 26 worksArts and HumanitiesBusiness, Management and Accounting: 1.02× its world share, 24 worksBusiness, Management…Decision Sciences: 1.92× its world share, 13 worksDecision SciencesEconomics, Econometrics and Finance: 1.22× its world share, 19 worksEconomics, Econometr…Psychology: 0.73× its world share, 16 worksPsychologySocial Sciences: 0.82× its world share, 75 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 6.7×. Every wedge is a field page.

Who are the top researchers at Plovdiv University?

Ranked on the composite score, Д. Д. Байнов, Janko Kolarov and Evgeniya Ivanova lead among researchers whose main affiliation is Plovdiv University.

  1. 1 Д. Д. Байнов Bulgaria · #80,723 worldwide 274 citations · 62 works
  2. 2 Janko Kolarov Bulgaria · #297,143 worldwide 81 citations · 31 works
  3. 3 Evgeniya Ivanova Bulgaria · #611,308 worldwide 29 citations · 15 works
  4. 4 Velizar Gochev Bulgaria · #616,832 worldwide 68 citations · 24 works
  5. 5 Plamen Stoyanov Bulgaria · #713,855 worldwide 4 citations · 19 works
  6. 6 Pavel G. Todorov Bulgaria · #902,362 worldwide 34 citations · 18 works
  7. 7 Silviya Stoyanova-Petrova Bulgaria · #923,492 worldwide 2 citations · 19 works
  8. 8 Snezhana Hristova Bulgaria · #942,301 worldwide 51 citations · 35 works
  9. 9 Rositsa Doneva Bulgaria · #949,465 worldwide 15 citations · 16 works
  10. 10 Slavi Lyubomirov Bulgaria · #1,052,415 worldwide 6 citations · 18 works
All ranked researchers at Plovdiv University

Which keywords describe research at Plovdiv University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Machine Learning, Online Learning, Nonlinear Equations, Educational Technology, Distance Learning, Fractional Calculus, Language and Deep Learning.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Machine Learning44▲ 1.84×47 topics
  2. Deep Learning33▲ 1.33×52 topics
  3. Educational Technology26▲ 3.0×18 topics
  4. Online Learning25▲ 4.1×11 topics
  5. Neural Networks24▲ 2.1×23 topics
  6. Sustainable Development18▲ 1.60×24 topics
  7. Nonlinear Equations17▲ 18×4 topics
  8. Distance Learning16▲ 6.8×5 topics
  9. E-Learning16▲ 2.2×12 topics
  10. Big Data15▲ 2.3×15 topics
  11. Fractional Calculus15▲ 36×2 topics
  12. Language14▲ 7.9×7 topics
  13. STEM Education14▲ 4.2×8 topics
  14. Cloud Computing13▲ 6.4×7 topics
  15. Invasive Species13▲ 4.2×17 topics
  16. Anomalous Diffusion12▲ 30×1 topic
  17. Homotopy Analysis Method12▲ 36×1 topic
  18. Student Engagement12▲ 4.1×4 topics
  19. IoT11▲ 4.1×12 topics
  20. Synthesis11▲ 4.0×20 topics
  21. Controllability10▲ 34×2 topics
  22. Environmental Monitoring10▲ 3.8×9 topics
  23. Boundary Value Problems10▲ 27×2 topics
  24. Medicinal Chemistry10▲ 5.0×9 topics
  25. Learning Analytics10▲ 11×2 topics
  26. Anticancer Agents9▲ 8.6×9 topics
  27. Phylogeny9▲ 8.6×12 topics
  28. Nonlinear Systems9▲ 6.0×4 topics
  29. Economic Security9▲ 5.7×5 topics
  30. Fractional Differential Equations9▲ 56×1 topic
  31. Semilinear Differential Equations9▲ 56×1 topic
  32. Linguistics8▲ 6.9×4 topics
  33. Sociolinguistics8▲ 6.0×5 topics
  34. Adaptive Learning8▲ 22×2 topics
  35. Educational Data Mining8▲ 13×1 topic
  36. Language Contact8▲ 11×3 topics
  37. Massive Open Online Courses8▲ 13×1 topic
  38. Heterocyclic Compounds8▲ 12×5 topics
  39. Bilingualism8▲ 7.7×3 topics
  40. ICT Integration7▲ 71×1 topic

Which research topics does Plovdiv University publish most on?

By volume in 2022–2025: Fractional Differential Equations Solutions, Nonlinear Differential Equations Analysis, Online Learning and Analytics and Innovative Educational Technologies.

Fractional Differential …12Fractional Differential Equations Solutions: 12 fractional worksNonlinear Differential E…9Nonlinear Differential Equations Analysis: 9 fractional worksOnline Learning and Analytics: 8 fractional worksInnovative Educational Technologies: 7 fractional worksMilitary Technology and Strategies: 7 fractional worksLegal and Regulatory Analysis: 7 fractional worksLinguistics, Language Diversity, and Identity: 7 fractional worksLinguistic, Cultural, an…6Linguistic, Cultural, and Literary Studies: 6 fractional worksBig Data and Business Intelligence: 6 fractional worksDiscourse Analysis and Cultural Communication: 5 fractional works
Modeling and SimulationApplied MathematicsComputer Science ApplicationsInformation Systems6 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Fractional Differential Equations Solutions Modeling and Simulation 12 works
  2. 2 Nonlinear Differential Equations Analysis Applied Mathematics 9 works
  3. 3 Online Learning and Analytics Computer Science Applications 8 works
  4. 4 Innovative Educational Technologies Information Systems 7 works
  5. 5 Military Technology and Strategies Aerospace Engineering 7 works
  6. 6 Legal and Regulatory Analysis Transportation 7 works
  7. 7 Linguistics, Language Diversity, and Identity Language and Linguistics 7 works
  8. 8 Linguistic, Cultural, and Literary Studies Sociology and Political Science 6 works
  9. 9 Big Data and Business Intelligence Management Information Systems 6 works
  10. 10 Discourse Analysis and Cultural Communication Cultural Studies 5 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available54.0%not open46.0%

World: 28% of research is openly available.

with international co-authors15.4%domestic only84.6%

World: 19% is written across borders.

How has Plovdiv University's research output changed?

Output in 2018–2022 was 78% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.