Publications

1. B. Hayes, S. Kunnawalkam Elayavalli, G. Patchell, L. Robert, Selfless inclusions of C*-algebras (2025). arXiv
2. M. Brešar, H.-Y. Jang, L. Robert, Products of commutators in simple algebras (2025). arXiv
3. B. Hayes, S. Kunnawalkam Elayavalli, L. Robert, Selfless reduced free product C*-algebras (2025). arXiv
4. I. Kulp, C. Ochanine, L. Richard, L. Robert, S. Whitman, Decreasing paths of polygons,
   Discrete Comput. Geom. 76 (2026), 121–176. journal, arXiv
5. L. Robert, Selfless C*-algebras,
   Adv. Math. 478 (2025), Paper No. 110409, 28 pp. arXiv
6. L. Fogang Takoutsing, L. Robert, Distinguishing C*-algebras by their unitary groups,
   Proc. Amer. Math. Soc. 152 (2024), no. 10, 4301–4310. arXiv
7. R. Antoine, and F. Perera, L. Robert, H. Thiel, Traces on ultrapowers of C*-algebras,
   J. Funct. Anal. 286 (2024), no. 8, Article No. 110341, 65 pp. arXiv
8. A. Chand, L. Robert, Simplicity, bounded normal generation, and automatic continuity of groups of unitaries,
   Advances in Mathematics, 415 (2023), Paper No. 108894, 52 pp. arXiv
9. M. Moodie, L. Robert, Cones of traces arising from AF C*-algebras,
   Documenta Mathematica, 28 (2023), no. 6, pp. 1279–1321. arXiv
10. R. Archbold, I. Gogic, L. Robert, Local variants of the Dixmier property and weak centrality for C*-algebras,
    International Mathematics Research Notices, Volume 2023, Issue 2, 2023, Pages 1483–1513. arXiv
11. L. Richard, F. Riepl, L. Robert, G. Turcu, L. Walls Building homotheties through pinches,
    Linear and Multilinear Algebra, 70 (2022), no. 22, 7469--7483. journal, pdf
12. L. Robert, C*-algebras where every element is a limit of products of positive elements,
    Canadian Mathematical Bulletin, Volume 65, Issue 3, 2022, pp. 628 - 632. arXiv
13. R. Antoine, F. Perera, L. Robert, H. Thiel, C*-algebras of stable rank one and their Cuntz semigroups,
    Duke Math. J., 171, (2022) 1, 33-99. arXiv
14. A. Chand, L. Robert, A. Sutradhar, Simultaneous averaging to zero by unitary mixing operators,
    Proc. Amer. Math. Soc. 149 (2021), 5169-5177. arXiv
15. R. Antoine, F. Perera, L. Robert, H. Thiel, Edwards' condition for quasitraces on C*-algebras,
    Proc. Roy. Soc. Edinburgh Sect. A: Mathematics, Volume 151, Issue 2 (2021), pp. 525 - 547. arXiv
16. L. Robert, L. Santiago, A revised augmented Cuntz semigroup,
    Math. Scand. Vol. 127, No. 1 (2021), 131–160. arXiv
17. I. Farah, B. Hart, M. Lupini, L. Robert, A. Tikuisis, A. Vignati, W. Winter, Model Theory of C*-algebras,
    Mem. Amer. Math. Soc. 271 (2021), no. 1324, viii+127 pp. arXiv
18. L. Robert, Normal subgroups of invertibles and of unitaries in a C*-algebra,
    J. Reine Angew. Math. 756 (2019), 285--319. arXiv
19. R. Archbold, L. Robert, A. Tikuisis, Maximally unitarily mixed states on a C*-algebra,
    J. Operator Theory, 80:1 (2018), 187–211. arXiv
20. P. W. Ng, L. Robert, P. Skoufranis, Majorization in C*-algebras.
    Trans. of the Amer. Math. Soc., Volume 370, Number 8 (2018), Pages 5725–5759. arXiv
21. R. Archbold, L. Robert, A. Tikuisis, The Dixmier property and tracial states for C*-algebras,
    J. Funct. Anal., 273 (2017), no. 8, 2655--2718. arXiv
22. P. W. Ng, L. Robert, The kernel of the determinant map on pure C*-algebras,
    Houston J. Math. Vol. 43, No. 1 (2017) 139-168. arXiv
23. L. Robert, A. Tikuisis, Nuclear dimension and Z-stability of non-simple C*-algebras.
    Trans. of the Amer. Math. Soc., 369 (2017) 4631-4670. arXiv
24. L. Robert, On the Lie ideals of C*-algebras,
    J. Operator Theory 75 (2016), no. 2, 387--408. arXiv
25. P. W. Ng, L. Robert, Sums of commutators in pure C*-algebras,
    Münster J. of Math. 9 (2016) 121-154. arXiv
26. L. Robert, Remarks on Z-stable projectionless C*-algebras,
    Glasgow Math. J. 58 (2016) 273-277. arXiv
27. L. Robert, Nuclear dimension and sums of commutators.
    Indiana Univ. Math. J. 64 (2015) 559 - 576. arXiv
28. L. Robert, Similarity of perturbations of the shift and a different product of rational functions.
    Oper. Matrices 8 (2014), no. 1, 89--98. arXiv
29. L. Robert, The Cuntz semigroup of some spaces of dimension at most two.
    C. R. Math. Acad. Sci. Soc. R. Can., 35 (2013), no. 1, 22--32. arXiv
30. L. Robert, M. Rørdam, Divisibility properties for C*-algebras,
    Proc. London Math. Soc. (2013) 106 (6): 1330-1370. arXiv
31. L. Robert, The cone of functionals on the Cuntz semigroup,
    Math. Scand. 113 (2013), no. 2, 161--186. arXiv
32. B. Blackadar, L. Robert, A. Tikuisis, A. Toms, and W. Winter, An algebraic approach to the radius of comparison,
    Trans. of the Amer. Math. Soc., 364 (2012), no. 7, 3657--3674. arXiv
33. L. Robert, Classification of inductive limits of 1-dimensional NCCW complexes,
    Adv. in Math., 231 (2012), no. 5, 2802--2836. arXiv
34. L. Robert, Nuclear dimension and n-comparison,
    Münster J. of Math. 4 (2011), 65--72. arXiv
35. A. Tikuisis, L. Robert, Hilbert C*-modules over commutative C*-algebras,
    Proc. Lond. Math. Soc., 102 (2011), 229--256. arXiv
36. G. A. Elliott, L. Robert, L. Santiago, The cone of lower semicontinuous traces on a C*-algebra,
    Amer. J. Math., Vol 133 (2011), no 4, 969--1005. arXiv
37. L. Robert, L. Santiago, Classification of C*-homomorphisms from C_0(0,1] to a C*-algebra,
    J. Funct. Anal. 258 (2010), no. 3, 869--892. arXiv
38. A. Ciuperca, L. Robert, L. Santiago, Cuntz semigroup of ideals and quotients and a generalized Kasparov Stabilization Theorem,
    J. Operator Theory Vol 64 (2010), no. 1, 155--169. arXiv
39. L. Robert, On the comparison of positive elements of a C*-algebra by lower semicontinuous traces,
    Indiana Univ. Math. J. 58 (2009), no. 6, 2509–2516. arXiv
40. E. R. Pujals, L. Robert, M. Shub, Expanding maps of the circle revisited: Positive Lyapunov exponents in a rich family,
    Ergodic Theory Dynam. Systems, Vol. 26 (2006), 1931--1937. pdf
41. L. Robert, Similarity of perturbations of Hessenberg matrices,
    J. Operator Theory, Vol. 54 (2005), n. 1: 125--136. pdf
42. J. Hernandez, L. Robert, Figures of constant width on a chessboard,
    Amer. Math. Monthly, 112 (2005), no. 1, 42--50. pdf
43. L. Robert, L. Santiago, On a class of Sobolev scalar products in the polynomials,
    J. Approx. Theory, 125(2): 169-189 (2003). pdf
44. L. Robert, L. Santiago, The Finite sections method for Hessenberg matrices,
    J. Approx. Theory, 123(1): 68-88 (2003). pdf

Apples and oranges

1. L. Robert, L. Santiago, Infinite dimensional continued fractions (2003). pdf
2. Figures of constant width on a chessboard