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Nonprofit · Prague · Czechia

Green Circle

In research, Green Circle stands highest in Physical Sciences (#16,648 of 21,541 worldwide) and Social Sciences (#13,800 of 16,945 worldwide), over all time.

zelenykruh.cz/enROR OpenAlex
World rank, 2022–2025
#22,462
of 28,054 · #28,783 all time
Rank in Czechia
#129
of 163
Research works
552
▲ 6% vs 2013–17
Citations
18k
33.0 per fractional work
Top-10% rate
7.2%
record average 16.5%
Open access
29%
world 28%

What is Green Circle known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #16,648 of 21,541 7.4%233
Social SciencesDomain #13,800 of 16,945 14.9%207

Each strip is that field’s whole ranked pool, with the notch where Green Circle 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).

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: 0.75× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.42× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.46× its world share, 0 worksImmunology and Micro…Neuroscience: 0.72× its world share, 1 worksNeuroscienceChemical Engineering: 0.58× its world share, 0 worksChemical EngineeringChemistry: 0.19× its world share, 0 worksChemistryComputer Science: 0.65× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 0.52× its world share, 1 worksEarth and Planetary …Engineering: 0.65× its world share, 8 worksEngineeringEnvironmental Science: 1.18× its world share, 5 worksEnvironmental ScienceMaterials Science: 0.49× its world share, 1 worksMaterials ScienceMathematics: 12.94× its world share, 12 worksMathematicsPhysics and Astronomy: 0.24× its world share, 0 worksPhysics and AstronomyDentistry: 0.05× its world share, 0 worksDentistryHealth Professions: 0.84× its world share, 2 worksHealth ProfessionsMedicine: 0.75× its world share, 12 worksMedicineNursing: 1.28× its world share, 0 worksNursingVeterinary: 2.25× its world share, 0 worksVeterinaryArts and Humanities: 2.03× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 1.03× its world share, 3 worksBusiness, Management…Decision Sciences: 1.52× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.74× its world share, 3 worksEconomics, Econometr…Psychology: 0.74× its world share, 2 worksPsychologySocial Sciences: 1.49× its world share, 16 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 12.9×. Every wedge is a field page.

Who are the top researchers at Green Circle?

Ranked on the composite score, Robert W. Jones lead among researchers whose main affiliation is Green Circle.

  1. 1 Robert W. Jones Czechia · #720,513 worldwide 9 citations · 39 works
All ranked researchers at Green Circle

Which keywords describe research at Green Circle?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Number Theory, Ergodic Theory, Modular Forms, Dynamical Systems, Random Matrix Theory, L-Functions, Primes and Identity.

▲ 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. Sustainability4▲ 1.93×14 topics
  2. Climate Change4▲ 1.60×13 topics
  3. Globalization3▲ 2.1×14 topics
  4. Number Theory3▲ 173×3 topics
  5. Ergodic Theory3▲ 125×2 topics
  6. Modular Forms3▲ 96×2 topics
  7. Education3▲ 1.88×10 topics
  8. Identity3▲ 4.4×7 topics
  9. Dynamical Systems2▲ 43×2 topics
  10. Gender2▲ 5.1×5 topics
  11. Health Effects2▲ 4.6×5 topics
  12. Random Matrix Theory2▲ 93×2 topics
  13. Culture2▲ 5.2×5 topics
  14. Colonialism2▲ 5.2×5 topics
  15. L-Functions2▲ 86×1 topic
  16. Primes2▲ 227×1 topic
  17. History2▲ 3.1×6 topics
  18. Religion2▲ 4.6×4 topics
  19. Chaos2▲ 28×1 topic
  20. Fractals2▲ 114×1 topic
  21. Mathematical Physics2▲ 139×2 topics
  22. Nonlinear Equations2▲ 16×2 topics
  23. Social Justice2▲ 3.5×6 topics
  24. Conservation2▲ 4.4×5 topics
  25. Global Distribution2▲ 28×2 topics
  26. Wastewater Treatment2▲ 7.9×3 topics
  27. Democracy1▲ 4.8×3 topics
  28. Monte Carlo Simulation1▲ 8.7×3 topics
  29. Perfluoroalkyl Substances1▲ 97×1 topic
  30. Polyfluoroalkyl Compounds1▲ 97×1 topic
  31. Spatial Analysis1▲ 19×2 topics
  32. Applications1▲ 5.9×2 topics
  33. Digital Pedagogy1▲ 108×2 topics
  34. Governance1▲ 4.8×3 topics
  35. Politics1▲ 6.0×2 topics
  36. p-adic1▲ 143×1 topic
  37. ultrametric1▲ 143×1 topic
  38. Cultural Politics1▲ 20×2 topics
  39. Deformation Quantization1▲ 74×1 topic
  40. Environmental Education1▲ 8.0×2 topics

Which research topics does Green Circle publish most on?

By volume in 2022–2025: Analytic Number Theory Research, Mathematical Dynamics and Fractals, Per- and polyfluoroalkyl substances research and advanced mathematical theories.

Analytic Number Theory R…2Analytic Number Theory Research: 2 fractional worksMathematical Dynamics an…2Mathematical Dynamics and Fractals: 2 fractional worksPer- and polyfluoroalkyl…1Per- and polyfluoroalkyl substances research: 1 fractional worksadvanced mathematical th…1advanced mathematical theories: 1 fractional worksVietnamese History and Culture Studies: 1 fractional worksHomotopy and Cohomology in Algebraic Topology: 1 fractional worksAdvanced Optimization Al…1Advanced Optimization Algorithms Research: 1 fractional worksStochastic processes and financial applications: 1 fractional worksAugmented Reality Applications: 1 fractional worksSoutheast Asian Sociopol…1Southeast Asian Sociopolitical Studies: 1 fractional works
Algebra and Number TheoryMathematical PhysicsEnvironmental ChemistrySociology and Political Science4 others

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

  1. 1 Analytic Number Theory Research Algebra and Number Theory 2 works
  2. 2 Mathematical Dynamics and Fractals Mathematical Physics 2 works
  3. 3 Per- and polyfluoroalkyl substances research Environmental Chemistry 1 works
  4. 4 advanced mathematical theories Mathematical Physics 1 works
  5. 5 Vietnamese History and Culture Studies Sociology and Political Science 1 works
  6. 6 Homotopy and Cohomology in Algebraic Topology Mathematical Physics 1 works
  7. 7 Advanced Optimization Algorithms Research Numerical Analysis 1 works
  8. 8 Stochastic processes and financial applications Finance 1 works
  9. 9 Augmented Reality Applications Computer Vision and Pattern Recognition 1 works
  10. 10 Southeast Asian Sociopolitical Studies Political Science and International Relations 1 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 available28.9%not open71.1%

World: 28% of research is openly available.

with international co-authors34.2%domestic only65.8%

World: 19% is written across borders.

How has Green Circle's research output changed?

Output in 2018–2022 was 6% 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.

Other research institutions in Prague

All research institutions in Prague

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.