kasia jankiewicz

Associate Professor
University of California Santa Cruz
Department of Mathematics
1156 High Street
Santa Cruz, CA 95064

email: kasia@ucsc.edu
office: McHenry 4128

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I am on leave from UCSC in the academic year 2025/26.

My research is in geometric group theory. I am particularly interested in non-positive curvature, cube complexes, Artin groups, Coxeter groups, random groups, small cancellation theories, separability properties, algebraic fibering and coherence.

I am supported by the grants: NSF DMS-2203307 and NSF CAREER DMS-2238198.

CV

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Publications and Preprints:

• Products of free groups inside graph braid groups (with K. Schreve)
  Submitted, 2024. (arXiv)


• Finite stature in Artin groups
  Submitted, 2023. (arXiv)


• Cleanliness versus specialness
  Accepted to Proceedings of the AMS, 2025. (arXiv)


• Centers of Artin groups defined on cones (with MK. Montee)
  Proc. Edinburgh Math. Soc. 68(1) (2025), 44-50. (arXiv)


• Profinite properties of algebraically clean graphs of free groups (with K. Schreve)
  J. Pure Appl. Algebra. 229(1) (2025), Paper No. 107775. (arXiv)


• Hyperbolicity in non-metric cubical small cancellation theory (with M. Arenas and D.T. Wise)
  Bull. London Math. Soc. 56 (2024), no 6, 2036-2052. (arXiv)


• Generalized residual finiteness of groups (with N. Brody)
  New York J. Math. 30 (2024) 583–592. (arXiv)


• The boundary rigidity of lattices in product of trees (with A. Karrer, K. Ruane and B. Sathaye)
  Top. Proc. 64 (2024), 181–194. (arXiv)


• The K(π,1)-conjecture implies the center conjecture for Artin groups (with K. Schreve)
  J. Algebra 615 (2023), 455-463. (arXiv)


• Cubulating small cancellation free products (with D.T. Wise)
  Indiana Univ. Math. J. 71 (2022), 1397-1409. (arXiv)


• Splittings of triangle Artin groups
  Groups Geom. Dyn. 18 (2024), no. 1, 91–108. (arXiv)


• Right angled Artin subgroups of Artin groups (with K. Schreve)
  J. Lond. Math. Soc. 106 (2022), 818-854. (arXiv)


• Residual finiteness of certain 2-dimensional Artin groups
  Adv. Math. 405 (2022) Paper No. 108487. (arXiv)


• A curiously cubulated group (with D.T. Wise)
  Geom. Dedicata 212 (2021), 17-19. (arXiv)


• Groups acting on CAT(0) cube complexes with uniform exponential growth (with R. Gupta and T. Ng)
  Alg. Geom. Top. 23-1 (2023), 13--42. (arXiv)


• Virtually fibering right-angled Coxeter groups (with S. Norin and D.T. Wise)
  J. Inst. Math. Jussieu. 20(3) (2021), 957-987. (arXiv)


• Lower bounds on cubical dimension of C'(1/6) groups
  Proc. Amer. Math. Soc. 148 (2020), 3293-3306. (arXiv)


• The fundamental theorem of cubical small cancellation theory
  Trans. Amer. Math. Soc. 369 (2017), 4311-4346. (arXiv)


• Cocompactly cubulated 2-dimensional Artin groups (with J. Huang and P. Przytycki)
  Comment. Math. Helv. 91 (2016), 519–542. (arXiv)


• Incoherent Coxeter groups (with D. T. Wise)
  Proc. Amer. Math. Soc. 144 (2016), 1857-1866. (arXiv)


• A sharper threshold for random groups at density one-half (with M. Duchin, S. C. Kilmer, S. Lelievre, J. M. Mackay and A. Sanchez)
  Groups Geom. Dyn. 10 (2016) no. 3, 985-1005. (arXiv)

• Cubical dimension and obstructions to actions on CAT(0) cube complexes
  Thesis (Ph.D.) McGill University (Canada), 2018, 94 pp.

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Past teaching:

• Winter 2024: Calculus I and Calculus II
• Fall 2022: Advanced Linear Algebra, Manifolds I
• Winter 2022: Ordinary Differential Equations, Introduction to 3-manifolds
• Fall 2021: Manifolds 1
• Spring 2021: Introduction to Proofs in Analysis (UChicago)
  
• Winter 2021: Introduction to Proofs in Analysis (UChicago)
  
• Winter 2020: Introduction to Proofs in Analysis (UChicago)
  
• Fall 2019: Calculus 3 (UChicago)
  
• Winter 2019: Analysis in R^n 3 (UChicago)
  
• Fall 2018: Calculus 3 (UChicago)
  
• Fall 2016: Calculus 1 (McGill)

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WIGGD 2025
Highway CA-17 Groups, Geometry, and Topology Seminar
McCammond's Geometric Group Theory Page
AWM at UCSC
Math Seminars at UCSC
Geometry/Topology Seminar at UChicago
GGT Seminar at McGill
Jankiewicz Studio