Associate Professor, Università di Bologna

Email: berardo.ruffini AT unibo.it

Available papers (26):

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• I. Lucardesi - D. Mazzoleni - B. Ruffini (Preprint)
  On a Cheeger--Kohler-Jobin inequality (2023)
• G. De Philippis - M. Goldman - B. Ruffini (Submitted Paper)
  From energy bounds to dimensional estimates in a branched transport model for type-I superconductors (2023)
• M. Goldman - M. Novaga - B. Ruffini (Proc. Amer. Math. Soc.)
  Reifenberg flatness for almost-minimizers of the perimeter under minimal assumptions (2022)
• B. Ruffini (Bruno Pini Mathematical Analysis Seminar)
  Optimization problems with non-local repulsion (2022)
• C. Muratov - M. Novaga - B. Ruffini (Arch. Rat. Mech. Anal.)
  Conducting flat drops in a confining potential (2022)
• M. Goldman - M. Novaga - B. Ruffini (Accepted Paper: J. Eur. Math. Soc.)
  Rigidity of the ball for an isoperimetric problem with strong capacitary repulsion (2022)
• E. Cinti - R. Ognibene - B. Ruffini (Mathematics in Engineering)
  A quantitative stability inequality for fractional capacities (2021)
• J. Aghili - D. Di Pietro - B. Ruffini (Comput. Methods Appl. Math.)
  An hp-Hybrid High-Order method for variable diffusion on general meshes (2020)
• D. Mazzoleni - B. Ruffini (Calc. Var. PDE)
  A spectral shape optimization problem with a nonlocal competing term (2020)
• M. Goldman - M. Novaga - B. Ruffini (Anal. PDE)
  On minimizers of an isoperimetric problem with long-range interactions under a convexity constraint (2018)
• C. Muratov - M. Novaga - B. Ruffini (Comm. Pure Appl. Math.)
  On equilibrium shapes of charged flat drops (2018)
• A. Chambolle - M. Novaga - B. Ruffini (Interfaces Free Bound.)
  Some results on anisotropic fractional mean curvature flows (2017)
• L. Brasco - G. Franzina - B. Ruffini (J. Funct. Anal.)
  Schrödinger operators with negative potentials and Lane-Emden densities (2017)
• M. Goldman - B. Ruffini (Geometric flows)
  Equilibrium shapes of charged liquid droplets and related problems: (mostly) a review (2017)
• P. Castillon - B. Ruffini (Ann. Scuola Norm. Sup. Pisa Cl. Sci.)
  A spectral characterization of geodesic balls in non-compact rank one symmetric spaces (2016)
• A. Di Castro - M. Novaga - B. Ruffini - E. Valdinoci (Calc. Var. Partial Differential Equations)
  Nonlocal quantitative isoperimetric inequalities (2015)
• M. Goldman - M. Novaga - B. Ruffini (Arch. Rat. Mech. Anal.)
  Existence and stability for a non-local isoperimetric model of charged liquid drops (2015)
• M. Novaga - B. Ruffini (J. Convex Anal.)
  Brunn-Minkowski inequality for the 1-Riesz capacity and level set convexity for the 1/2-Laplacian (2015)
• L. Brasco - B. Ruffini (Ann. Inst. H. Poincaré Anal. Non Linéaire)
  Compact Sobolev embeddings and torsion functions (2015)
• C. De Lellis - M. Focardi - B. Ruffini (Adv. Calc. Var.)
  A note on the Hausdorff dimension of the singular set for minimizers of the Mumford-Shah energy (2014)
• G. Buttazzo - B. Ruffini - B. Velichkov (ESAIM Control Optim. Calc. Var.)
  Shape Optimization Problems for Metric Graphs (2014)
• B. Ruffini (Ph.d. Thesis)
  Optimization problems for solutions of elliptic equations and stability issues (2013)
• G. Buttazzo - A. Gerolin - B. Ruffini - B. Velichkov (J. Éc. polytech. Math.)
  Optimal Potentials for Schrödinger Operators (2013)
• M. Marini - B. Ruffini (Rend. Sem. Mat. Univ. Padova)
  On a class of weighted Gauss-type isoperimetric inequalities and applications to symmetrization (2013)
• B. Ruffini (Rev. Mat. Complut.)
  Stability theorems for GNS inequalities: a reduction principle to the radial case (2012)
• L. Brasco - G. De Philippis - B. Ruffini (J. Funct. Anal.)
  Spectral optimization for the Stekloff--Laplacian: the stability issue (2011)

Seminars:

• 24 jun 2015: Non-local isoperimetric problems
• 17 jun 2014: Isoperimetric problems with non-local penalization terms
• 23 may 2012: Shape optimization problems for graphs

Speaker:

• 20 may 2024 - 22 may 2024: 50 Anni di Calcolo delle Variazioni
• 11 apr 2024 - 12 apr 2024: Calculus of Variations and Free Boundary Problems VIII
• 6 mar 2024 - 7 mar 2024: CalVaFer - Calculus of Variations in Ferrara
• 31 jan 2024 - 2 feb 2024: Calculus of Variations in Siena
• 5 sep 2022 - 9 sep 2022: Anisotropic isoperimetric problems & related topics
• 13 jan 2020 - 15 jan 2020: Winter School on Reaction Diffusion PDE's and Optimization
• 23 may 2019 - 24 may 2019: Variational and PDE problems in Geometric Analysis II
• 26 jun 2017 - 30 jun 2017: Curves and Networks in Geometric Analysis
• 25 oct 2016 - 28 oct 2016: Workshop in Geometric Measure Theory, Shape Optimisation and Free Boundaries
• 28 apr 2016 - 30 apr 2016: Geometric aspects of PDE's and functional inequalities
• 16 jun 2014 - 20 jun 2014: Isoperimetric Problems Between Analysis and Geometry

Organizer:

• 6 jun 2024 - 7 jun 2024: NonPUB24
• 8 jun 2023 - 9 jun 2023: NonPUB23
• 13 jun 2022 - 17 jun 2022: Shape Optimization, related topics and applications
• 6 jun 2022 - 7 jun 2022: Nonlinear meeting in Bologna
• 6 sep 2021 - 10 sep 2021: Variational methods and applications