JProf. Dr. Kristin Courtney

Topics in Mathematics Münster

Recent Publications of JProf. Dr. Kristin Courtney

$\bullet $ Kristin Courtney, Anna Duwenig, Magdalena C. Georgescu, Astrid an Huef, and Maria Grazia Viola. Alexandrov groupoids and the nuclear dimension of twisted groupoid C*-algebras. Journal of Functional Analysis, 286(9):110372, May 2024. doi:10.1016/j.jfa.2024.110372.

$\bullet $ Kristin Courtney and Wilhelm Winter. Images of order zero maps. arXiv e-prints, December 2023. arXiv:2312.08215.

$\bullet $ Becky Armstrong, Jonathan H. Brown, Lisa Orloff Clark, Kristin Courtney, Ying-Fen Lin, Kathryn McCormick, and Jacqui Ramagge. The local bisection hypothesis for twisted groupoid ${C}^*$-algebras. Semigroup Forum, 107(3):609–623, October 2023. doi:10.1007/s00233-023-10392-9.

$\bullet $ Kristin Courtney. Completely positive approximations and inductive systems. arXiv e-prints, April 2023. arXiv:2304.02325.

$\bullet $ Kristin Courtney and Wilhelm Winter. Nuclearity and CPC$^*$-systems. arXiv e-prints, April 2023. arXiv:2304.01332.

$\bullet $ Becky Armstrong, Gilles G de Castro, Lisa Orloff Clark, Kristin Courtney, Ying-Fen Lin, Kathryn McCormick, Jacqui Ramagge, Aidan Sims, and Benjamin Steinberg. Reconstruction of twisted Steinberg algebras. International Mathematics Research Notices, 2023(3):2474–2542, February 2023. doi:10.1093/imrn/rnab291.

$\bullet $ Kristin E. Courtney. Universal $C^*$-algebras with the local lifting property. Math. Scand., 127(2):361–381, August 2021. doi:10.7146/math.scand.a-126018.

$\bullet $ Becky Armstrong, Lisa Orloff Clark, Kristin Courtney, Ying-Fen Lin, Kathryn McCormick, and Jacqui Ramagge. Twisted Steinberg algebras. J. Pure Appl. Algebra, 226(3):Paper No. 106853, 33, July 2021. URL: https://doi.org/10.1016/j.jpaa.2021.106853, doi:10.1016/j.jpaa.2021.106853.

$\bullet $ Kristin Courtney and David Sherman. The universal $C^*$-algebra of a contraction. J. Oper. Theory, June 2020. doi:10.7900/jot.2019mar11.2229.

$\bullet $ Kristin Courtney and Tatiana Shulman. Free products with amalgamation over central $C^*$-subalgebras. Proc. Am. Math. Soc., 148(2):765–776, February 2020. doi:10.1090/proc/14746.

$\bullet $ Kristin Courtney and Tatiana Shulman. Elements of $C^*$-algebras attaining their norm in a finite-dimensional representation. Canad. J. Math, 71(1):93–111, February 2019. doi:10.4153/CJM-2017-040-x.