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Researcher · Yelets State University named after Ivan Bunin · Russia

S. A. Roshchupkin

S. A. Roshchupkin publishes mostly in Applied Mathematics, Mathematical Physics and Numerical Analysis, on topics such as Differential Equations and Boundary Problems, Spectral Theory in Mathematical Physics and Differential Equations and Numerical Methods.

ORCID 0000-0002-1672-4383 OpenAlex
World rank
#5,549,968
of 7,710,434 ranked researchers
Rank in Russia
#47,432
of 179,717
Works
21
Citations
38
Citations per work
1.8
h-index
4
i10-index 2Top 88% in Applied Mathematics
S. A. Roshchupkin

What does S. A. Roshchupkin research?

S. A. Roshchupkin's work is mostly in Mathematics (66%), Physics and Astronomy (5%), Computer Science (3%).

Physical Sciences: 16 works · 74.2% of their workMathematics: 14 works · 66.2% of their workApplied Mathematics: 7 works · 32.3% of their workMathematical Physics: 5 works · 22.6% of their workNumerical Analysis: 2 works · 11.3% of their workPhysics and Astronomy: 1 works · 4.8% of their workAstronomy and Astrophysics: 1 works · 4.8% of their workComputer Science: 1 works · 3.2% of their workInformation Systems: 1 works · 3.2% of their workEverything else: 5 works · 22.6% of their workHealth Sciences: 1 works · 3.2% of their workMedicine: 1 works · 3.2% of their workRadiology, Nuclear Medicine and Imaging: 1 works · 3.2% of their workTHEIR WORKS. A. Roshchupkin21works
Physical Sciences74%Health Sciences3%

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. Mathematics1466.2%
    2. Physics and Astronomy14.8%
    3. Computer Science13.2%
  2. Everything else522.6%
    1. Medicine13.2%
  1. 1Applied Mathematics32% of their works
  2. 2Mathematical Physics23% of their works
  3. 3Numerical Analysis11% of their works
  4. 4Astronomy and Astrophysics5% of their works
  5. 5Information Systems3% of their works
  6. 6Radiology, Nuclear Medicine and Imaging3% of their works

Research topics

Which keywords describe S. A. Roshchupkin's research?

The keywords of their largest research topics: Nonlocal, Partial Differential Equations, Numerical Methods, Wavelets, Convection-Diffusion Problems, Differential Operators, Singular Perturbation and Spectral Theory.

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. Nonlocal111 topic
  2. Partial Differential Equations111 topic
  3. Numerical Methods82 topics
  4. Wavelets82 topics
  5. Convection-Diffusion Problems61 topic
  6. Differential Operators61 topic
  7. Singular Perturbation61 topic
  8. Spectral Theory61 topic
  9. Frames41 topic
  10. Mathematical Physics41 topic
  11. Orthogonal Polynomials41 topic
  12. Quadrature Methods41 topic
  13. Sampling41 topic
  14. p-adic41 topic
  15. Automorphic Forms21 topic
  16. Inverse Problems21 topic
  17. Langlands Conjectures21 topic
  18. Regularization Methods21 topic

Where does S. A. Roshchupkin work?

S. A. Roshchupkin's main affiliation in the publication record is Yelets State University named after Ivan Bunin, Russia.

How many publications and citations does S. A. Roshchupkin have?

OpenAlex counts 21 works and 38 citations for S. A. Roshchupkin, an h-index of 4, ranking #5,549,968 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.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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