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Researcher · Bacha Khan University · Pakistan

Sami Ullah

Sami Ullah publishes mostly in Modeling and Simulation, Management Science and Operations Research and Public Health, Environmental and Occupational Health, on topics such as Fractional Differential Equations Solutions, Mathematical and Theoretical Epidemiology and Ecology Models and Multi-Criteria Decision Making.

ORCID 0000-0003-2640-2377 OpenAlex
World rank
#1,957,663
of 7,710,434 ranked researchers
Rank in Pakistan
#6,441
of 32,975
Works
29
Citations
415
Citations per work
14.3
h-index
12
i10-index 14Top 39% in Modeling and Simulation
Sami Ullah

What does Sami Ullah research?

Sami Ullah's work is mostly in Mathematics (20%), Decision Sciences (13%), Engineering (12%).

Physical Sciences: 13 works · 43.3% of their workMathematics: 6 works · 20.5% of their workModeling and Simulation: 6 works · 20.5% of their workEngineering: 3 works · 12.0% of their workBiomedical Engineering: 2 works · 6.0% of their workMechanical Engineering: 2 works · 6.0% of their workComputer Science: 3 works · 10.8% of their workComputational Theory and Mathematics: 3 works · 10.8% of their workEverything else: 9 works · 31.4% of their workSocial Sciences: 4 works · 13.3% of their workDecision Sciences: 4 works · 13.3% of their workManagement Science and Operations Research: 4 works · 13.3% of their workHealth Sciences: 3 works · 12.0% of their workMedicine: 3 works · 12.0% of their workPublic Health, Environmental and Occupational Health: 3 works · 12.0% of their workTHEIR WORKSami Ullah29works
Physical Sciences43%Health Sciences12%Social Sciences13%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Mathematics620.5%
    2. Engineering312.0%
    3. Computer Science310.8%
  2. Everything else931.4%
    1. Decision Sciences413.3%
    1. Medicine312.0%
  1. 1Modeling and Simulation20% of their works
  2. 2Management Science and Operations Research13% of their works
  3. 3Public Health, Environmental and Occupational Health12% of their works
  4. 4Computational Theory and Mathematics11% of their works
  5. 5Biomedical Engineering6% of their works
  6. 6Mechanical Engineering6% of their works

Research topics

Which keywords describe Sami Ullah's research?

The keywords of their largest research topics: Fractional Calculus, Infectious Diseases, Anomalous Diffusion, Nonlinear Equations, Analytic Hierarchy Process, Disease Transmission, Population Dynamics and TOPSIS.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Fractional Calculus162 topics
  2. Infectious Diseases152 topics
  3. Anomalous Diffusion121 topic
  4. Nonlinear Equations121 topic
  5. Analytic Hierarchy Process101 topic
  6. Disease Transmission101 topic
  7. Population Dynamics101 topic
  8. TOPSIS101 topic
  9. Granular Computing81 topic
  10. Rough Sets81 topic
  11. COVID-1951 topic
  12. Heat Transfer51 topic
  13. Modeling51 topic
  14. Nanofluids51 topic
  15. Fuzzy Differential Equations41 topic
  16. NK Cell Recognition41 topic
  17. Natural Killer Cells41 topic
  18. Uncertainty Theory41 topic

Where does Sami Ullah work?

Sami Ullah's main affiliation in the publication record is Bacha Khan University, Pakistan.

How many publications and citations does Sami Ullah have?

OpenAlex counts 29 works and 415 citations for Sami Ullah, an h-index of 12, ranking #1,957,663 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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.

Other researchers named Sami Ullah

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