Professor at Federal University of Minas Gerais.
Research interest: Linear PDE's and Several Complex Variables.
PhD from University of São Paulo (2016).
Publications:
G. Araújo, I.A. Ferra and L.F. Ragognette, Global hypoellipticity of sums of squares on compact manifolds, J. Inst. Math. Jussieu. 23(5), 2405-2439 (2024). See also: arXiv:2005.04484.
G. Araújo, I.A. Ferra, M.R. Jahnke and L.F. Ragognette, Global solvability and cohomology of tube structures on compact manifolds, Math. Ann. 390, 2199–2233 (2024). See also: arXiv:2304.10472
G. Araújo, I.A. Ferra and L.F. Ragognette, Global analytic hypoellipticity and solvability of certain operators subject to group actions, Proc. Amer. Math. Soc. 150, 4771-4783, (2022). See also arXiv:2111.07165.
G. Araújo, I.A. Ferra and L.F. Ragognette, Global solvability and propagation of regularity of sums of squares on compact manifolds, J. Anal. Math. 148, 85-118 (2022). See also arXiv:2010.05364.
G. Hoepfner, R.D. Medrado and L.F. Ragognette, The Baouendi-Treves approximation theorem for Gevrey classes and applications, Ann Sc. Norm. Super. Pisa Cl. Sci. (5) 23, no. 1, 315–338 (2022). See also arXiv:1910.14568.
G. Hoepfner and L.F. Ragognette, A new microlocal analysis of hyperfunctions, J. Funct. Anal. 281, 4, 109065 (2021). See also arXiv:2104.11047.
L.F. Ragognette, Ultradifferential operators in the study of Gevrey solvability and regularity, Math. Nachr. 292, 409–427 (2019).
Submitted:
B. Lessa Victor, L.F. Ragognette, Relations between different types of hypoellipticity: a systematic approach, (2025). See also arXiv:2505.11801