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Nonprofit · Prague · Czechia

Green Circle

In research, Green Circle stands highest in Social Sciences (#9,124 of 14,833 worldwide) and Physical Sciences (#13,030 of 17,446 worldwide), over all time.

zelenykruh.cz/enROR OpenAlex
World rank, 2022-now
#16,847
of 22,385 · #11,998 all time
Rank in Czechia
#72
of 110
Research works
552
▲ 153% vs 2018-21
Citations
18k
33.0 per fractional work
Top-10% rate
7.0%
all institutions 10.0%
vs its own fields
0.92×
1.00× is exactly expected
Open access
29%
world 40%
International
34%
world 18%
Green Circle

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
Social SciencesDomain #9,124 of 14,833 7.3%207
Physical SciencesDomain #13,030 of 17,446 5.3%233

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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Green Circle work in?

In 2022-now, 40% of research at Green Circle is in Physical Sciences, 35% in Social Sciences. Its largest fields are Social Sciences (19%), Medicine (14%), Mathematics (13%). It does 1.4× the world's share of Social Sciences.

Physical Sciences: 38 fractional works · 40.1% of its workMathematics: 13 fractional works · 13.4% of its workMathematical Physics: 5 fractional works · 5.6% of its workAlgebra and Number Theory: 3 fractional works · 3.1% of its workNumerical Analysis: 2 fractional works · 1.7% of its workGeometry and Topology: 1 fractional works · 0.7% of its workStatistics and Probability: 1 fractional works · 0.7% of its workTheoretical Computer Science: 1 fractional works · 0.7% of its workApplied Mathematics: 0 fractional works · 0.4% of its workDiscrete Mathematics and Combinatorics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEngineering: 10 fractional works · 10.7% of its workAerospace Engineering: 2 fractional works · 1.7% of its workBuilding and Construction: 2 fractional works · 1.6% of its workMechanical Engineering: 1 fractional works · 0.9% of its workBiomedical Engineering: 1 fractional works · 0.9% of its workCivil and Structural Engineering: 1 fractional works · 0.9% of its workComputational Mechanics: 1 fractional works · 0.8% of its workMedia Technology: 1 fractional works · 0.7% of its workElectrical and Electronic Engineering: 1 fractional works · 0.7% of its workControl and Systems Engineering: 1 fractional works · 0.6% of its workOcean Engineering: 0 fractional works · 0.5% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.4% of its workAutomotive Engineering: 0 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.4% of its workMechanics of Materials: 0 fractional works · 0.2% of its workComputer Science: 7 fractional works · 6.8% of its workInformation Systems: 2 fractional works · 2.2% of its workArtificial Intelligence: 1 fractional works · 1.2% of its workComputational Theory and Mathematics: 1 fractional works · 1.1% of its workComputer Vision and Pattern Recognition: 1 fractional works · 1.0% of its workComputer Science Applications: 1 fractional works · 0.9% of its workComputer Networks and Communications: 0 fractional works · 0.4% of its workEnvironmental Science: 6 fractional works · 6.0% of its workEnvironmental Chemistry: 2 fractional works · 1.8% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 1.2% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 1.0% of its workWater Science and Technology: 1 fractional works · 0.7% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.4% of its workEcology: 0 fractional works · 0.3% of its workEnvironmental Engineering: 0 fractional works · 0.2% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 1.5% of its workMaterials Chemistry: 1 fractional works · 1.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 1 fractional works · 0.7% of its workOceanography: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPhysics and Astronomy: 0 fractional works · 0.5% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.3% of its workOrganic Chemistry: 0 fractional works · 0.3% of its workChemical Engineering: 0 fractional works · 0.2% of its workSocial Sciences: 33 fractional works · 34.8% of its workSocial Sciences: 18 fractional works · 19.1% of its workSociology and Political Science: 7 fractional works · 7.0% of its workPolitical Science and International Relations: 4 fractional works · 3.7% of its workEducation: 2 fractional works · 1.8% of its workAnthropology: 1 fractional works · 1.5% of its workCultural Studies: 1 fractional works · 1.0% of its workHealth: 1 fractional works · 0.9% of its workSafety Research: 1 fractional works · 0.8% of its workGeography, Planning and Development: 1 fractional works · 0.5% of its workLaw: 0 fractional works · 0.5% of its workLinguistics and Language: 0 fractional works · 0.3% of its workPublic Administration: 0 fractional works · 0.3% of its workUrban Studies: 0 fractional works · 0.3% of its workDevelopment: 0 fractional works · 0.3% of its workCommunication: 0 fractional works · 0.2% of its workArts and Humanities: 5 fractional works · 5.4% of its workLiterature and Literary Theory: 1 fractional works · 1.0% of its workHistory: 1 fractional works · 0.9% of its workConservation: 1 fractional works · 0.9% of its workPhilosophy: 1 fractional works · 0.8% of its workHistory and Philosophy of Science: 1 fractional works · 0.7% of its workLanguage and Linguistics: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.4% of its workEconomics, Econometrics and Finance: 3 fractional works · 3.5% of its workFinance: 2 fractional works · 1.8% of its workEconomics and Econometrics: 2 fractional works · 1.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 3 fractional works · 3.4% of its workManagement Information Systems: 1 fractional works · 0.9% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.8% of its workStrategy and Management: 1 fractional works · 0.7% of its workAccounting: 0 fractional works · 0.4% of its workMarketing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPsychology: 2 fractional works · 2.2% of its workSocial Psychology: 1 fractional works · 0.6% of its workClinical Psychology: 0 fractional works · 0.5% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.5% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.3% of its workApplied Psychology: 0 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 1.3% of its workManagement Science and Operations Research: 1 fractional works · 0.9% of its workStatistics, Probability and Uncertainty: 0 fractional works · 0.4% of its workHealth Sciences: 16 fractional works · 17.1% of its workMedicine: 14 fractional works · 14.3% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.1% of its workSurgery: 1 fractional works · 1.5% of its workHematology: 1 fractional works · 1.1% of its workInfectious Diseases: 1 fractional works · 1.0% of its workOncology: 1 fractional works · 0.9% of its workEpidemiology: 1 fractional works · 0.8% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 0.7% of its workPathology and Forensic Medicine: 1 fractional works · 0.6% of its workEmergency Medicine: 1 fractional works · 0.6% of its workDermatology: 1 fractional works · 0.6% of its workObstetrics and Gynecology: 1 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.4% of its workGenetics: 0 fractional works · 0.4% of its workHealth Informatics: 0 fractional works · 0.4% of its workHepatology: 0 fractional works · 0.3% of its workNeurology: 0 fractional works · 0.3% of its workRheumatology: 0 fractional works · 0.3% of its workPhysiology: 0 fractional works · 0.2% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.2% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.2% of its workPsychiatry and Mental health: 0 fractional works · 0.2% of its workUrology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.7% of its workHealth Professions: 2 fractional works · 1.9% of its workHealth Information Management: 1 fractional works · 0.7% of its workGeneral Health Professions: 1 fractional works · 0.6% of its workComplementary and Manual Therapy: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 1 fractional works · 0.6% of its workNutrition and Dietetics: 1 fractional works · 0.6% of its workVeterinary: 0 fractional works · 0.3% of its workSmall Animals: 0 fractional works · 0.3% of its workLife Sciences: 8 fractional works · 8.0% of its workAgricultural and Biological Sciences: 3 fractional works · 3.2% of its workPlant Science: 2 fractional works · 1.8% of its workSoil Science: 1 fractional works · 0.5% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.3% of its workFood Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 2.7% of its workMolecular Biology: 1 fractional works · 1.5% of its workBiophysics: 0 fractional works · 0.3% of its workEndocrinology: 0 fractional works · 0.3% of its workGenetics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 1 fractional works · 1.3% of its workCognitive Neuroscience: 1 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 1 fractional works · 0.7% of its workMicrobiology: 0 fractional works · 0.3% of its workVirology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workALL ITS WORKGreen Circle96fractional works, 2022-now
Life Sciences8%Physical Sciences40%Health Sciences17%Social Sciences35%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 24 fields, with their numbers
    1. Mathematics1313.4%
    2. Engineering1010.7%
    3. Computer Science76.8%
    4. Environmental Science66.0%
    5. Materials Science11.5%
    6. Earth and Planetary Sciences10.7%
    7. Physics and Astronomy00.5%
    8. Chemistry00.3%
    9. Chemical Engineering00.2%
    1. Social Sciences1819.1%
    2. Arts and Humanities55.4%
    3. Economics, Econometrics and Finance33.5%
    4. Business, Management and Accounting33.4%
    5. Psychology22.2%
    6. Decision Sciences11.3%
    1. Medicine1414.3%
    2. Health Professions21.9%
    3. Nursing10.6%
    4. Veterinary00.3%
    5. Dentistry00.0%
    1. Agricultural and Biological Sciences33.2%
    2. Biochemistry, Genetics and Molecular Biology32.7%
    3. Neuroscience11.3%
    4. Immunology and Microbiology10.7%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.67× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.52× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 0.74× its world share, 1 worksImmunology and Micro…Neuroscience: 0.83× its world share, 1 worksNeuroscienceChemical Engineering: 0.50× its world share, 0 worksChemical EngineeringChemistry: 0.16× its world share, 0 worksChemistryComputer Science: 0.88× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 0.44× its world share, 1 worksEarth and Planetary …Engineering: 0.72× its world share, 10 worksEngineeringEnvironmental Science: 1.20× its world share, 6 worksEnvironmental ScienceMaterials Science: 0.44× its world share, 2 worksMaterials ScienceMathematics: 11.43× its world share, 13 worksMathematicsPhysics and Astronomy: 0.21× its world share, 0 worksPhysics and AstronomyDentistry: 0.04× its world share, 0 worksDentistryHealth Professions: 0.73× its world share, 2 worksHealth ProfessionsMedicine: 0.74× its world share, 14 worksMedicineNursing: 1.17× its world share, 0 worksNursingVeterinary: 1.92× its world share, 0 worksVeterinaryArts and Humanities: 1.86× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 1.05× its world share, 3 worksBusiness, Management…Decision Sciences: 1.30× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.65× its world share, 3 worksEconomics, Econometr…Psychology: 0.71× its world share, 2 worksPsychologySocial Sciences: 1.51× its world share, 18 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 11.4×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Mathematics11.43×13 works
  2. Veterinary1.92×0 works
  3. Arts and Humanities1.86×5 works
  4. Economics, Econometrics and Finance1.65×3 works
  5. Social Sciences1.51×18 works
  6. Decision Sciences1.30×1 works
  7. Environmental Science1.20×6 works
  8. Nursing1.17×0 works
  9. Business, Management and Accounting1.05×3 works
  10. Computer Science0.88×6 works
  11. Neuroscience0.83×1 works
  12. Immunology and Microbiology0.74×1 works
  13. Medicine0.74×14 works
  14. Health Professions0.73×2 works
  15. Engineering0.72×10 works
  16. Psychology0.71×2 works
  17. Agricultural and Biological Sciences0.67×3 works
  18. Biochemistry, Genetics and Molecular Biology0.52×3 works
  19. Chemical Engineering0.50×0 works
  20. Earth and Planetary Sciences0.44×1 works
  21. Materials Science0.44×2 works
  22. Physics and Astronomy0.21×0 works
  23. Chemistry0.16×0 works
  24. Dentistry0.04×0 works

Who are the top researchers at Green Circle?

Ranked on the quality score, Earle R. Greene, Christian TAGUE and Jan Vang-Lauridsen lead among researchers whose main affiliation is Green Circle.

  1. 1 Earle R. Greene Czechia · #3,247,264 worldwide 57 citations · 32 works
  2. 2 Christian TAGUE Czechia · #3,440,692 worldwide 5 citations · 26 works
  3. 3 Jan Vang-Lauridsen Czechia · #3,922,279 worldwide 84 citations · 27 works
  4. 4 Robert W. Jones Czechia · #4,061,317 worldwide 186 citations · 20 works
  5. 5 Robert W. Jones Czechia · #7,165,799 worldwide 193 citations · 108 works
All ranked researchers at Green Circle

What are the most cited papers from Green Circle?

The most cited paper from Green Circle is "Mn 2+ and Mn 4+ red phosphors: synthesis, luminescence and applications in WLEDs. A review" (Qiang Zhou, Leonid O. Dolgov, A.M. Srivastava et al., 2018), with 704 citations. Next come "Acute exercise facilitates brain function and cognition in children who need it most: An ERP study of individual differences in inhibitory control capacity" (301) and "Reverse-Flow Operation in Fixed Bed Catalytic Reactors" (292).

Most cited papers
#PaperReleasedCitations
1 Mn 2+ and Mn 4+ red phosphors: synthesis, luminescence and applications in WLEDs. A review Qiang Zhou, Leonid O. Dolgov, A.M. Srivastava et al. · Journal of Materials Chemistry C 2018 704
2 Acute exercise facilitates brain function and cognition in children who need it most: An ERP study of individual differences in inhibitory control capacity Eric S. Drollette, Mark R. Scudder, Lauren B. Raine et al. · Developmental Cognitive Neuroscience Open access 16 Nov 2013 301
3 Reverse-Flow Operation in Fixed Bed Catalytic Reactors Yurii Sh. Matros, Grigori A. Bunimovich · Catalysis Reviews Feb 1996 292
4 A Profile of Responses to Commercials Mary Jane Schlinger · Journal of Advertising Research Apr 1979 231
5 Fungal Planet description sheets: 868–950 Pedro Willem Crous et al. · Persoonia - Molecular Phylogeny and Evolution of Fungi Open access171 authors 19 Jul 2019 231
All 59 most cited papers, with filters and sorting

Which keywords describe research at Green Circle?

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

▲ 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-now 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▲ 1.82×17 topics
  2. Climate Change4▲ 1.47×17 topics
  3. Globalization4▲ 1.98×16 topics
  4. Number Theory3▲ 144×3 topics
  5. Ergodic Theory3▲ 112×2 topics
  6. Modular Forms3▲ 84×2 topics
  7. Gender3▲ 5.4×6 topics
  8. Education3▲ 1.61×10 topics
  9. Identity3▲ 3.8×7 topics
  10. Health Effects2▲ 4.1×5 topics
  11. Renewable Energy2▲ 1.70×9 topics
  12. Dynamical Systems2▲ 37×2 topics
  13. Random Matrix Theory2▲ 78×2 topics
  14. Culture2▲ 4.5×5 topics
  15. Ethics2▲ 4.3×7 topics
  16. Colonialism2▲ 4.5×5 topics
  17. L-Functions2▲ 75×1 topic
  18. Primes2▲ 190×1 topic
  19. Religion2▲ 4.4×5 topics
  20. Social Justice2▲ 3.3×7 topics
  21. Chaos2▲ 24×1 topic
  22. Fractals2▲ 101×1 topic
  23. Mathematical Physics2▲ 123×2 topics
  24. Nonlinear Equations2▲ 14×2 topics
  25. Conservation2▲ 3.8×5 topics
  26. Wastewater Treatment2▲ 6.9×4 topics
  27. Global Distribution2▲ 23×2 topics
  28. Democracy1▲ 4.2×3 topics
  29. Monte Carlo Simulation1▲ 7.5×3 topics
  30. Perfluoroalkyl Substances1▲ 77×1 topic
  31. Polyfluoroalkyl Compounds1▲ 77×1 topic
  32. Spatial Analysis1▲ 16×2 topics
  33. Applications1▲ 5.1×2 topics
  34. Digital Pedagogy1▲ 66×2 topics
  35. International Relations1▲ 5.4×4 topics
  36. Politics1▲ 5.3×2 topics
  37. p-adic1▲ 130×1 topic
  38. ultrametric1▲ 130×1 topic
  39. Aerodynamics1▲ 16×3 topics
  40. Cultural Politics1▲ 17×2 topics

Which research topics does Green Circle publish most on?

By volume in 2022-now: 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 worksAdvanced Optimization Algorithms Research: 1 fractional worksUrban Design and Spatial Analysis: 1 fractional worksVietnamese History and C…1Vietnamese History and Culture Studies: 1 fractional worksSoutheast Asian Sociopolitical Studies: 1 fractional worksStochastic processes and financial applications: 1 fractional worksAdvanced Mathematical Id…1Advanced Mathematical Identities: 1 fractional works
Algebra and Number TheoryMathematical PhysicsEnvironmental ChemistryNumerical Analysis4 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 Advanced Optimization Algorithms Research Numerical Analysis 1 works
  6. 6 Urban Design and Spatial Analysis Building and Construction 1 works
  7. 7 Vietnamese History and Culture Studies Sociology and Political Science 1 works
  8. 8 Southeast Asian Sociopolitical Studies Political Science and International Relations 1 works
  9. 9 Stochastic processes and financial applications Finance 1 works
  10. 10 Advanced Mathematical Identities Algebra and Number Theory 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: 40% of research is openly available.

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

World: 18% is written across borders.

How has Green Circle's research output changed?

Output in 2022-2025 was 153% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Green Circle as a percentage of every work published that year, 0.00031% in 2024.

still counting0.0020%0.0040%0.0060%Green Circle0.00063% in 202519801990200020102020

Fractional works of Green Circle over all fractional works that year. How the balance of science has shifted.

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Green Circle on Science Explorer

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