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University · Livermore · United States

Las Positas College

laspositascollege.eduROR OpenAlex
Research works
81
▼ 61% vs 2018-21
Citations
2.1k
26.4 per fractional work
Top-10% rate
19.7%
all institutions 10.0%
Open access
36%
world 40%
International
31%
world 18%
Las Positas College

Not ranked overall: Las Positas College is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Las Positas College work in?

In all years, 62% of research at Las Positas College is in Physical Sciences, 31% in Social Sciences. Its largest fields are Engineering (43%), Social Sciences (19%), Computer Science (5%). It does 1.5× the world's share of Physical Sciences.

Physical Sciences: 51 fractional works · 62.1% of its workEngineering: 35 fractional works · 42.9% of its workMechanics of Materials: 10 fractional works · 12.1% of its workComputational Mechanics: 7 fractional works · 8.9% of its workMechanical Engineering: 5 fractional works · 5.9% of its workCivil and Structural Engineering: 4 fractional works · 4.7% of its workAerospace Engineering: 3 fractional works · 4.2% of its workElectrical and Electronic Engineering: 2 fractional works · 2.7% of its workBiomedical Engineering: 1 fractional works · 1.6% of its workOcean Engineering: 1 fractional works · 0.8% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.6% of its workBuilding and Construction: 0 fractional works · 0.5% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.4% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workComputer Science: 4 fractional works · 5.4% of its workComputer Vision and Pattern Recognition: 1 fractional works · 1.2% of its workInformation Systems: 1 fractional works · 1.1% of its workComputational Theory and Mathematics: 1 fractional works · 1.1% of its workComputer Networks and Communications: 1 fractional works · 0.8% of its workArtificial Intelligence: 1 fractional works · 0.8% of its workSoftware: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 3 fractional works · 3.8% of its workGlobal and Planetary Change: 1 fractional works · 0.8% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.7% of its workEcology: 0 fractional works · 0.6% of its workEnvironmental Chemistry: 0 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.4% of its workWater Science and Technology: 0 fractional works · 0.4% of its workPollution: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMaterials Science: 3 fractional works · 3.4% of its workMaterials Chemistry: 3 fractional works · 3.2% of its workCeramics and Composites: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 2 fractional works · 2.5% of its workApplied Mathematics: 2 fractional works · 2.5% of its workPhysics and Astronomy: 2 fractional works · 2.5% of its workStatistical and Nonlinear Physics: 1 fractional works · 1.4% of its workAstronomy and Astrophysics: 0 fractional works · 0.5% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 1 fractional works · 0.8% of its workGeochemistry and Petrology: 0 fractional works · 0.4% of its workGeophysics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.4% of its workSpectroscopy: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.2% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 0.2% of its workChemical Engineering: 0 fractional works · 0.2% of its workSocial Sciences: 25 fractional works · 31.0% of its workSocial Sciences: 16 fractional works · 19.1% of its workSociology and Political Science: 6 fractional works · 7.6% of its workEducation: 3 fractional works · 3.3% of its workCommunication: 2 fractional works · 2.3% of its workPolitical Science and International Relations: 1 fractional works · 1.7% of its workLibrary and Information Sciences: 1 fractional works · 0.8% of its workCultural Studies: 1 fractional works · 0.8% of its workDemography: 0 fractional works · 0.5% of its workLaw: 0 fractional works · 0.5% of its workGender Studies: 0 fractional works · 0.5% of its workUrban Studies: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.5% of its workArts and Humanities: 3 fractional works · 3.5% of its workHistory and Philosophy of Science: 1 fractional works · 1.2% of its workGeneral Arts and Humanities: 0 fractional works · 0.6% of its workPhilosophy: 0 fractional works · 0.4% of its workArcheology: 0 fractional works · 0.4% of its workLanguage and Linguistics: 0 fractional works · 0.3% of its workHistory: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workDecision Sciences: 2 fractional works · 2.7% of its workInformation Systems and Management: 1 fractional works · 1.6% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 2 fractional works · 2.4% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 1.0% of its workMarketing: 0 fractional works · 0.4% of its workAccounting: 0 fractional works · 0.3% of its workStrategy and Management: 0 fractional works · 0.3% of its workBusiness and International Management: 0 fractional works · 0.2% of its workManagement of Technology and Innovation: 0 fractional works · 0.2% of its workPsychology: 1 fractional works · 1.8% of its workSocial Psychology: 1 fractional works · 1.1% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.4% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 1 fractional works · 1.5% of its workEconomics and Econometrics: 1 fractional works · 0.7% of its workFinance: 0 fractional works · 0.6% of its workGeneral Economics, Econometrics and Finance: 0 fractional works · 0.3% of its workHealth Sciences: 3 fractional works · 3.7% of its workMedicine: 3 fractional works · 3.5% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 0.9% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.5% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.4% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.4% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.2% of its workOncology: 0 fractional works · 0.2% of its workSurgery: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workHealth Professions: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.1% of its workLife Sciences: 3 fractional works · 3.2% of its workAgricultural and Biological Sciences: 2 fractional works · 2.2% of its workPlant Science: 1 fractional works · 0.7% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.6% of its workFood Science: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 0 fractional works · 0.5% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.3% of its workBiotechnology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workImmunology and Microbiology: 0 fractional works · 0.0% of its workALL ITS WORKLas PositasCollege81fractional works, all years
Life Sciences3%Physical Sciences62%Health Sciences4%Social Sciences31%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. 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. Engineering3542.9%
    2. Computer Science45.4%
    3. Environmental Science33.8%
    4. Materials Science33.4%
    5. Mathematics22.5%
    6. Physics and Astronomy22.5%
    7. Earth and Planetary Sciences10.8%
    8. Chemistry00.4%
    9. Energy00.2%
    10. Chemical Engineering00.2%
    1. Social Sciences1619.1%
    2. Arts and Humanities33.5%
    3. Decision Sciences22.7%
    4. Business, Management and Accounting22.4%
    5. Psychology11.8%
    6. Economics, Econometrics and Finance11.5%
    1. Medicine33.5%
    2. Health Professions00.1%
    3. Nursing00.1%
    1. Agricultural and Biological Sciences22.2%
    2. Neuroscience00.5%
    3. Biochemistry, Genetics and Molecular Biology00.3%
    4. Pharmacology, Toxicology and Pharmaceutics00.1%
    5. Immunology and Microbiology00.0%
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: 1.37× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.49× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 0.39× its world share, 0 worksImmunology and Micro…Neuroscience: 0.22× its world share, 0 worksNeuroscienceChemical Engineering: 3.05× its world share, 0 worksChemical EngineeringComputer Science: 0.40× its world share, 0 worksComputer ScienceEnergy: 2.32× its world share, 0 worksEnergyEngineering: 2.01× its world share, 2 worksEngineeringEnvironmental Science: 0.50× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.61× its world share, 0 worksMaterials ScienceHealth Professions: 0.52× its world share, 0 worksHealth ProfessionsMedicine: 0.52× its world share, 1 worksMedicineArts and Humanities: 0.59× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 1.99× its world share, 0 worksBusiness, Management…Decision Sciences: 1.10× its world share, 0 worksDecision SciencesPsychology: 0.94× its world share, 0 worksPsychologySocial Sciences: 2.03× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 3.0×. Every wedge is a field page.

All 17 fields, with their numbers
  1. Chemical Engineering3.05×0 works
  2. Energy2.32×0 works
  3. Social Sciences2.03×2 works
  4. Engineering2.01×2 works
  5. Business, Management and Accounting1.99×0 works
  6. Agricultural and Biological Sciences1.37×0 works
  7. Decision Sciences1.10×0 works
  8. Psychology0.94×0 works
  9. Materials Science0.61×0 works
  10. Arts and Humanities0.59×0 works
  11. Health Professions0.52×0 works
  12. Medicine0.52×1 works
  13. Environmental Science0.50×0 works
  14. Biochemistry, Genetics and Molecular Biology0.49×0 works
  15. Computer Science0.40×0 works
  16. Immunology and Microbiology0.39×0 works
  17. Neuroscience0.22×0 works

Who are the top researchers at Las Positas College?

Ranked on the quality score, C.T. Wu, Mike Burger and Annie B. Elliott lead among researchers whose main affiliation is Las Positas College.

  1. 1 C.T. Wu United States · #1,040,068 worldwide 3.4k citations · 68 works
  2. 2 Mike Burger United States · #2,648,314 worldwide 183 citations · 15 works
  3. 3 Annie B. Elliott United States · #4,531,275 worldwide 165 citations · 19 works
All ranked researchers at Las Positas College

What are the most cited papers from Las Positas College?

The most cited paper from Las Positas College is "Dynamic crack propagation based on loss of hyperbolicity and a new discontinuous enrichment" (Ted Belytschko, Hao Chen, Jingxiao Xu et al., 2003), with 589 citations. Next come "The Effects of Discipline on Deep Approaches to Student Learning and College Outcomes" (393) and "Review of theoretical models of the strain-based FLD and their relevance to the stress-based FLD" (279).

Most cited papers
#PaperReleasedCitations
1 Dynamic crack propagation based on loss of hyperbolicity and a new discontinuous enrichment Ted Belytschko, Hao Chen, Jingxiao Xu et al. · International Journal for Numerical Methods in Engineering 9 Oct 2003 589
2 The Effects of Discipline on Deep Approaches to Student Learning and College Outcomes Thomas F. Nelson Laird, Rick Shoup, George D. Kuh et al. · Research in Higher Education 11 Feb 2008 393
3 Review of theoretical models of the strain-based FLD and their relevance to the stress-based FLD Thomas B. Stoughton, Xinhai Zhu · International Journal of Plasticity 22 Dec 2003 279
4 A numerical model for bird strike of aluminium foam-based sandwich panels A.G. Hanssen, Yannick Girard, Lars Olovsson et al. · International Journal of Impact Engineering 31 Dec 2004 235
5 Q1549-C25: A CLEAN SOURCE OF LYMAN-CONTINUUM EMISSION AT z = 3.15∗ Alice E. Shapley, Charles C. Steidel, Allison L. Strom et al. · The Astrophysical Journal Letters Open access 26 Jul 2016 166
All 61 most cited papers, with filters and sorting

Which keywords describe research at Las Positas College?

By fractional works in all years, weighted toward what it does more of than the world: Radial Basis Functions, Fracture, Extended Finite Element Method, Meshless Methods, Fluid-Structure Interaction, Identity, Transition and Nationalism.

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

Size is fractional works in all years 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. Radial Basis Functions8▲ 96×2 topics
  2. Fracture7▲ 86×3 topics
  3. Extended Finite Element Method6▲ 166×1 topic
  4. Meshless Methods6▲ 166×1 topic
  5. Fluid-Structure Interaction4▲ 31×3 topics
  6. Identity4▲ 7.0×8 topics
  7. Transition4▲ 52×2 topics
  8. Nationalism4▲ 8.2×3 topics
  9. Adaptive Mesh Refinement4▲ 50×2 topics
  10. Deep Learning4▲ 2.1×9 topics
  11. High-Order Schemes4▲ 50×2 topics
  12. Ethnicity3▲ 13×2 topics
  13. Conflict3▲ 24×1 topic
  14. Northern Ireland3▲ 175×1 topic
  15. Constitutive Modeling3▲ 38×2 topics
  16. Microstructural Evolution3▲ 20×2 topics
  17. SPH Method3▲ 115×1 topic
  18. Smoothed Particle Hydrodynamics3▲ 115×1 topic
  19. Communication2▲ 10×6 topics
  20. Boltzmann Equation2▲ 73×1 topic
  21. Kinetic Theory2▲ 42×1 topic
  22. Pipeline2▲ 28×2 topics
  23. Ballistic Impact2▲ 32×2 topics
  24. Seismic2▲ 44×1 topic
  25. Shock-Wave Interactions2▲ 42×1 topic
  26. Tunnel2▲ 30×1 topic
  27. Turbulence Modeling2▲ 42×1 topic
  28. Electromagnetics2▲ 78×1 topic
  29. Finite-Difference Time-Domain2▲ 78×1 topic
  30. Higher Education2▲ 5.6×5 topics
  31. Artificial Neural Networks2▲ 5.0×2 topics
  32. Discontinuous Galerkin Methods2▲ 62×1 topic
  33. Finite Element Analysis2▲ 8.9×6 topics
  34. Finite Element Methods2▲ 62×1 topic
  35. Dynamic Deformation2▲ 63×1 topic
  36. High Strain Rate2▲ 63×1 topic
  37. Airborne Wind Energy2▲ 176×1 topic
  38. High Altitude Wind Power2▲ 176×1 topic
  39. Ductile Fracture1▲ 44×1 topic
  40. Information Quality1▲ 35×2 topics

Which research topics does Las Positas College publish most on?

By volume in 2022-now: Irish and British Studies, Organizational Management and Innovation, Biosensors and Analytical Detection and 3D Shape Modeling and Analysis.

Irish and British Studies1Irish and British Studies: 1 fractional worksOrganizational Managemen…0Organizational Management and Innovation: 0 fractional worksBiosensors and Analytica…0Biosensors and Analytical Detection: 0 fractional works3D Shape Modeling and Analysis: 0 fractional worksListeria monocytogenes in Food Safety: 0 fractional worksFood Allergy and Anaphylaxis Research: 0 fractional worksInfrastructure Maintenance and Monitoring: 0 fractional worksMachine Learning in Materials Science: 0 fractional worksSustainable Building Design and Assessment: 0 fractional worksComposite Material Mechanics: 0 fractional works
Sociology and Political ScienceOrganizational Behavior and Human Resource ManagementBiomedical EngineeringComputational Mechanics6 others

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

  1. 1 Irish and British Studies Sociology and Political Science 1 works
  2. 2 Organizational Management and Innovation Organizational Behavior and Human Resource Management 0 works
  3. 3 Biosensors and Analytical Detection Biomedical Engineering 0 works
  4. 4 3D Shape Modeling and Analysis Computational Mechanics 0 works
  5. 5 Listeria monocytogenes in Food Safety Biotechnology 0 works
  6. 6 Food Allergy and Anaphylaxis Research Immunology and Allergy 0 works
  7. 7 Infrastructure Maintenance and Monitoring Civil and Structural Engineering 0 works
  8. 8 Machine Learning in Materials Science Materials Chemistry 0 works
  9. 9 Sustainable Building Design and Assessment Building and Construction 0 works
  10. 10 Composite Material Mechanics Mechanics of Materials 0 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 available36.0%not open64.0%

World: 40% of research is openly available.

with international co-authors31.3%domestic only68.7%

World: 18% is written across borders.

How has Las Positas College's research output changed?

Output in 2022-2025 was 61% lower 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 Las Positas College as a percentage of every work published that year, 0.000032% in 2024.

still counting0.00010%0.00020%0.00030%Las Positas College0.000018% in 202519801990200020102020

Fractional works of Las Positas College over all fractional works that year. How the balance of science has shifted.

Other research institutions in Livermore

All research institutions in Livermore

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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