Assistant Professor, Università degli studi di Milano-Bicocca

Email: roberto.ognibene AT unimib.it

Home-page: https://robertoognibene.altervista.org/

orcid id: 0000-0002-6157-7597

Available papers (19):

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• V. Felli - L. Liverani - R. Ognibene (preprint)
  On the splitting of Neumann eigenvalues in perforated domains (2026)
• E. Mainini - D. Mukherjee - R. Ognibene (preprint)
  On fractional critical problems with multi-polar Hardy potentials (2026)
• R. Ognibene - B. Velichkov (Accepted Paper: Arch. Ration. Mech. Anal.)
  Structure of the free interfaces near triple junction singularities in harmonic maps and optimal partition problems (2026)
• G. Buttazzo - R. Ognibene (Accepted Paper: Proc. Am. Math. Soc.)
  Asymptotics of nonlinear Robin energies (2026)
• R. Ognibene - B. Velichkov (La Matematica)
  A survey on the optimal partition problem (2026)
• E. Mainini - R. Ognibene - B. Volzone (Calc. Var. and Partial Differential Equations)
  Local multiplicity for fractional linear equations with Hardy potentials (2025)
• V. Felli - B. Noris - R. Ognibene - G. Siclari (Accepted Paper: J. Eur. Math. Soc.)
  Quantitative spectral stability for Aharonov-Bohm operators with many coalescing poles (2025)
• V. Felli - L. Liverani - R. Ognibene (J. Funct. Anal.)
  Quantitative spectral stability for the Neumann Laplacian in domains with small holes (2025)
• R. Ognibene (Communications in Partial Differential Equations)
  On asymptotics of Robin eigenvalues in the Dirichlet limit (2025)
• D. Danielli - R. Ognibene (Indiana University Mathematics Journal)
  On a weighted two-phase boundary obstacle problem (2024)
• L. Abatangelo - R. Ognibene (SIAM Journal on Mathematical Analysis)
  Sharp behavior of Dirichlet-Laplacian eigenvalues for a class of singularly perturbed problems (2024)
• R. Ognibene - B. Velichkov (Preprint)
  Boundary regularity of the free interface in spectral optimal partition problems (2024)
• F. Bianchi - L. Brasco - R. Ognibene (J. Convex Anal.)
  On the spectrum of sets made of cores and tubes (2023)
• E. Mainini - R. Ognibene - D. Percivale (Journal of Elasticity)
  Asymptotic behavior of constrained local minimizers in finite elasticity (2022)
• V. Felli - B. Noris - R. Ognibene (Journal of Differential Equations)
  Eigenvalues of the Laplacian with moving mixed boundary conditions: the case of disappearing Neumann region (2022)
• E. Cinti - R. Ognibene - B. Ruffini (Mathematics in Engineering)
  A quantitative stability inequality for fractional capacities (2021)
• V. Felli - B. Noris - R. Ognibene (Calculus of Variations and Partial Differential Equations)
  Eigenvalues of the Laplacian with moving mixed boundary conditions: the case of disappearing Dirichlet region (2021)
• V. Felli - D. Mukherjee - R. Ognibene (Journal of Functional Analysis)
  On fractional multi-singular Schrödinger operators: positivity and localization of binding (2020)
• V. Felli - R. Ognibene (Journal of Differential Equations)
  Sharp convergence rate of eigenvalues in a domain with a shrinking tube (2020)

Speaker:

• 9 dec 2025 - 9 dec 2025: Calculus of Variations and Free Boundary Problems: the VAREG edition
• 3 sep 2025 - 5 sep 2025: Mind the GAP - Young researchers meeting in Geometric Analysis and PDEs
• 31 jan 2024 - 2 feb 2024: Workshop "Regularity and geometric aspects of nonlinear PDEs"
• 6 jun 2022 - 7 jun 2022: Nonlinear meeting in Bologna

Organizer:

• 8 sep 2026 - 10 sep 2026: Young Researchers Meeting on PDEs III
• 9 sep 2025 - 12 sep 2025: Young Researchers Meeting on PDEs II
• 9 jan 2025 - 10 jan 2025: Calculus of Variations and Free Boundary Problems X
• 25 sep 2024 - 27 sep 2024: Young Researchers Meeting on PDEs
• 11 apr 2024 - 12 apr 2024: Calculus of Variations and Free Boundary Problems VIII
• 28 mar 2023 - 28 mar 2023: Calculus of Variations and Free Boundary Problems V