Teaching

• Fundamentals of Calculus (3-credit first calculus course)
• Calculus 1 (4-credit first calculus course)
• Calculus 2
• Calculus 3
• Differential Equations
• Fundamentals of Mathematics
• Mathematical Methods for the Physical Sciences
  
  (formerly Topics in Mathematics with Applications to Chemistry)
• Mathematical Modelling
• Differential Geometry

• Student evaluations

• Graduating Math Minors photos

  
  
  
  

Research

I have been working in algebra and ring theory, in particular with rings of operators, involutive rings, graded rings, Leavitt path algebras, clean rings, rings of quotients, torsion theories, rings with derivations, Baer *-rings, and finite von Neumann algebras.

Publications

• L. Vas, Porcupine-quotient graphs, the fourth primary color, and graded composition series of Leavitt path algebras, Publicacions Matemàtiques, in print.
• L. Vas, Graded irreducible representations of Leavitt path algebras: a new type and complete classification, Journal of Pure and Applied Algebra, 227 (3) (2023), 107213.
• R. Hazrat, L. Vas, K-theory Classification of Graded Ultramatricial Algebras with Involution, Forum Math., 31 (2) (2019), 419 – 463.
• L. Vas, *-Clean Rings; Cleanness of Some Baer *-rings and von Neumann Algebras, Journal of Algebra, 324 (12) (2010), 3388 – 3400.
• see all publications »

Selected Presentations

• The Graded Classification Conjecture for graph algebras. Presentation at the Western Sydney University Abend Seminar, September 3, 2020 and Rings and Wings, U of Colorado, Colorado Springs Algebra Seminar, March 17, 2021.
• Dimension groups with group action and their realization. Presentation at the Asia–Australia Algebra Conference, Western Sydney University, Australia, January 21 – 25, 2019.
• K-theory classification of graded ultramatricial *-algebras. Extended version of presentations at the 33nd Ohio State – Denison Mathematics Conference, Columbus, OH, May, 2016 and AMS Sectional Meeting, Bowdoin College, Brunswick ME, Sept 2016.
• Algebaization of operator theory. Presentation at several universities in Australia and New Zealand, February – April, 2017.
• see all selected presentations »