UGO BOSCAIN
Directeur de Recherche CNRS of first class (DR1),
equipe INRIA Paris CAGE.
Laboratoire Jacques-Louis Lions
Sorbonne Université (Paris VI)
Boite courrier 187
75252 Paris Cedex 05
ugo.boscain -AT- upmc.fr
-) Coordinator (with Christiane Koch) of the ANR-DFG CoRoMo (2023-2025)
-) Coordinator (with Mario Sigalotti) of the partner "Inria" of the ITN Qusco
-) Member of the ANR Quaco
-) Deputy team leader of the equipe-INRIA CAGE,
-)MANAGING EDITOR OF "Journal of Dynamical and Control Systems"
-)ASSOCIATE EDITOR OF " of Mathematical Control and Related Fields
"
My research topics
1. Sub-Riemannian geometry
- Properties of the distance function, cut, conjugate loci
- Intrinsic volumes: Hausdorff, spherical Hausdorff, Popp
- Degenerate diffusion on manifolds and hypoelliptic operators
- Intrinsic Random walks
- Spectral theory and self-adjointness of the intrinsic Laplacian
- Stochastic processes on sub-Riemannian manifolds
- Applications to geometry of vision and image processing
- Applications to sound processing.
[BOOK] A. Agrachev, D. Barilari, and U. Boscain. A Comprehensive Introduction to sub-Riemannian Geometry, volume 181 of Cambridge Studies in Advanced Mathematics. Cambridge University Press, Cambridge, 2020. xviii+746 pp. Preprint version
Some key (recent) papers
[72] D. Barilari, U. Boscain, D. Cannarsa, On the induced geometry on surfaces in 3D contact sub-Riemannian manifolds. ESAIM Control Optim. Calc. Var. 28 (2022), Paper No. 9, 28 pp.
[69] I. Beschastnyi, U. Boscain, E. Pozzoli. Quantum Confinement for the Curvature Laplacian -Delta + cK on 2D-Almost- Riemannian Manifolds. Potential Analysis 2021.
[67] U. Boscain, D. Prandi, L. Sacchelli, G.Turco. A bio-inspired geometric model for sound reconstruction. Journal of Mathematical Neuroscience. Volume 11, Article number: 2 (2021).
[66] D. Barilari, U. Boscain, D. Cannarsa, K. Habermann. Stochastic processes on surfaces in three-dimensional contact sub-Riemannian manifolds. Ann. Inst. Henri Poincare Probab. Stat. 57 (2021), no. 3, 1388-1410.
[64] R. Adami, U. Boscain, V. Franceschi, D. Prandi. Point interactions for 3D sub-Laplacians. Ann. Inst. H. Poincare Anal. Non Lineaire 38 (2021), no. 4, 1095-1113.
[62] U. Boscain, R. Neel, Extensions of Brownian motion to a family of Grushin-type singularities. Electron. Commun. Probab. 25 (2020), Paper No. 29, 12 pp.
[60] D. Barilari, U. Boscain, R. Neel, Heat kernel asymptotics on sub-Riemannian manifolds with symmetries and applications to the bi-Heisenberg group Ann. Fac. Sci. Toulouse Math. (6) 28 (2019), no. 4, 707-732.
[58] U. Boscain, R. Chertovskih, J.P. Gauthier, D. Prandi, A. Remizov. Highly corrupted image inpainting through hypoelliptic diffusion. Journal of Mathematical Imaging and Vision. October 2018, Volume 60, Issue 8, pp 1231-1245.
[56] A. Agrachev, U. Boscain, R. Neel, L. Rizzi. Intrinsic random walks in Riemannian and sub-Riemannian geometry via volume sampling. ESAIM COCV. 24 (2018) n. 3. pp. 1075-1105.
[55] U. Boscain, R. Neel, L. Rizzi Intrinsic random walks and sub-Laplacians in sub-Riemannian geometry. Adv. Math. 314 (2017), 124-184.
[54] U. Boscain, L. Sacchelli, M. Sigalotti, Generic singularities of line fields on 2D manifolds. Differential Geom. Appl. 49 (2016), 326-350.
[53] D. Barilari, U. Boscain, E. Le Donne, M. Sigalotti, Sub-Finsler structures from the time-optimal control viewpoint for some nilpotent distributions. J. Dyn. Control Syst. 23 (2017), no. 3, 547-575.
[51] D. Barilari, U. Boscain, G. Charlot, R.W. Neel
On the heat diffusion for
generic
Riemannian and sub-Riemannian structures Int. Math. Res. Not. IMRN 2017, no. 15, 4639-4672.
[49] U. Boscain, D. Prandi, M. Seri,
Spectral analysis and the
Aharonov-Bohm effect on certain almost-Riemannian manifolds.
Comm. Partial Differential Equations 41 (2016), no. 1, 32-50.
[48] U. Boscain, D. Prandi,
The heat and Schrdinger equations on conic and
anticonic-type surfaces J. Differential Equations 260 (2016) 3234-3269
[47] U. Boscain, G. Charlot, M. Gaye, P. Mason, Local properties of almost-Riemannian structures in dimension 3. Discrete and Continuous Dynamical Systems Volume 35, Issue 9, 2015. Pages 4115-4147
[43] U. Boscain, R. Chertovskih, J.P. Gauthier, A. Remizov.
Hypoelliptic diffusion and
human vision: a semi-discrete new twist.
SIAM Journal on Imaging Sciences 2014, Vol. 7, No. 2, pp.
669-695
[38] D. Barilari, U. Boscain, R. Neel, Small time heat kernel
asymptotics
at the sub-Riemannian cut locus. JDG Vol 92, No.3, 2012, pp. 373-416.
[36] U. Boscain, C. Laurent, The Laplace-Beltrami
operator in
almost-Riemannian Geometry. Ann. Inst. Fourier (Grenoble) 63 (2013),
no. 5, 1739-1770.
[32] U. Boscain, J. Duplaix, J.P. Gauthier,
F. Rossi, Anthropomorphic image
reconstruction via hypoelliptic diffusion. SIAM J. CONTROL OPTIM.Vol.
50, No. 3, pp. 1309--1336
[31] A. Agrachev, D. Barilari, U. Boscain,
On the Hausdorff volume in
sub-Riemannian geometry. Calculus of Variations and PDE's
Volume 43, Numbers 3-4 March 2012.
[24] A. Agrachev, U. Boscain, J.P. Gauthier, F. Rossi, ``The intrinsic hypoelliptic
Laplacian $
corresponding heat kernel on unimodular Lie groups''
Journal of Functional Analysis, Volume 256, Issue 8, 15 April 2009, Pages
2621-2655.
2. Control of Quantum Mechanical Systems
- Optimal control on finite dimensional quantum systems
- Controllability of the Schrodinger Equation via Galerkin
Approximation
- Controllability of the Schrodinger Equation via Intersections of
the Eigenvalues
Some key (recent) papers
[76] C. Koch, U. Boscain, T. Calarco, G. Dirr, S. Filipp, S. Glaser, R. Kosloff, S. Montangero, T. Schulte-Herbru ̈ggen, D. Sugny, F. Wilhelm
Quantum optimal control in quantum technologies. Strategic report on current status, visions and goals for research in Europe. EPJ Quantum Technology volume 9, Article number: 19 (2022)
[75] M. Leibscher, E. Pozzoli, C. P ́erez, M. Schnell, M. Sigalotti, U. Boscain, C. Koch, Complete Controllability Despite Degeneracy: Quantum Control of Enantiomer-Specific State Transfer in Chiral Molecules. Communications Physics 5, 110 (2022).
[74] E. Pozzoli, M. Leibscher, M. Sigalotti, U. Boscain, C. Koch, Lie algebra for rotational subsystems of a driven asymmetric top. J. Phys. A 55 (2022), no. 21, Paper No. 215301, 16 pp.
[73] R. Robin, N. Augier, U. Boscain, M. Sigalotti. Ensemble qubit controllability with a single control via adiabatic and rotating wave approximations. J. Differential Equations 318 (2022), 414–442.
[71] U. Boscain, M. Sigalotti, D. Sugny, Introduction to the Pontryagin Maximum Principle for Quantum Optimal Control PRX Quantum 2, 030203 (2021).
[70] N. Augier, U. Boscain, M. Sigalotti. Effective adiabatic control of a decoupled Hamiltonian obtained by rotating wave approximation. Automatica J. IFAC 136 (2022), Paper No. 110034, 9 pp.
[68] I. Beschastnyi, U. Boscain, M. Sigalotti. An obstruction to small-time controllability of the bilinear Schroedinger equation. J. Math. Phys. 62 (2021), no. 3, Paper No. 032103, 14 pp..
[65] U. Boscain, E. Pozzoli, M. Sigalotti. Classical and quantum controllability of a rotating 3D symmetric molecule 2019. SIAM J. Control Optim. 59 (2021), no. 1, 156–184.
[63] N. Augier, U. Boscain, M. Sigalotti. Semi-conical eigenvalue intersections and the ensemble controllability problem for quantum systems. MCRF doi: 10.3934/mcrf.2020023 (2020).
[59] N. Augier, U. Boscain, M. Sigalotti. Adiabatic ensemble control of a continuum of quantum systems. SIAM J. Control Optim. 56 (2018), no 6. pp. 4045-4068.
[52] S. Glaser, U. Boscain, T. Calarco, C. Koch, W. Kckenberger, R. Kosloff, I. Kuprov, B. Luy, S.Schirmer, T. Schulte-Herbrggen, D. Sugny, F. Wilhelm Training Schrdinger's cat: quantum optimal control. Eur. Phys. J. D (2015) 69: 279.
[50] U. Boscain, P. Mason, G. Panati, M. Sigalotti, On the control of spin-boson systems. J. Math. Phys. 56 (2015), no. 9, 092101, 15 pp.
[46] U. Boscain, J.P. Gauthier, F. Rossi M. Sigalotti,
Approximate
controllability, exact controllability, and conical eigenvalue
intersections for quantum mechanical systems.. Communications in
Mathematical Physics November Comm. Math. Phys. 333 (2015), no. 3, 1225-1239.:w
[40] U. Boscain, M.Caponigro, Mario Sigalotti
Multi-input Schrdinger equation: controllability, tracking, and
application to the quantum angular momentum.
Journal of Differential Equations 256 (2014), no. 11, 3524-3551.
[35] U. Boscain, F. Chittaro, P. Mason, M. Sigalotti, Adiabatic control of
the Schroedinger equation via conical intersections of
the eigenvalues. IEEE Transactions on Automatic Control, Volume: 57,
Issue: 8, pp. 1970 - 1983, 2012.
[34] U. Boscain, M. Caponigro, T. Chambrion, and M. Sigalotti, A weak
spectral condition for the controllability of the bilinear
Schrdinger equation with application to the control of a rotating planar
molecule. Commun. Math. Phys. 311, 423-455 (2012).
[23] T. Chambrion, P. Mason, M. Sigalotti and U. Boscain, Controllability
of the discrete-spectrum Schroedinger equation driven by an external
field,
Annales de l'Institut Henri Poincare (C) Non Linear
Analysis Volume 26, Issue 1, January-February 2009, Pages 329-349.
Older research topics
Optimal Control
- Time optimal Syntheses on 2-D Manifolds
- Optimal Control on Lie Groups
Switched Systems
- Stability of switching systems for arbitrary switchings
- Existence of common polynomial Lyapunov functions
Past Activities (from 2010)
-)ASSOCIATE EDITOR OF SIAM Journal of Control and
Optimization (2013-2022)
-)ASSOCIATE EDITOR OF ESAIM Control, Optimisation and Calculus of Variations (from 01/01/2009 to 31/12/2016)
-) Professeur "chargé de course"in numerical analysis and optimization at Ecole Polytechnique (department of applied mathematics) 2011-2022.
-) Winner of an ERC POC 2016: ARTIV1
-) Winner of an the ERC starting grant 2009 GECOMETHODS
-) Coordinator of the partner "Inria Saclay" of the ANR SRGI
(2015-2019)
IHP Trimester ``Geometry, analysis, and dynamics on sub-Riemannian
manifolds''
Paris Sep.-Dec. 2014
-) Coordinator of the partner "Ecole Polytechnique" of the ANR GCM
-) Coordinator of the partner "Ecole Polytechnique" of the DIGITEO
project CONGEO.
Workshop on
``Conical intersections in Mathematical Physics''
Istitute Henri Poincar??
Paris - May 29-31, 2013
INDAM meeting on
Geometric Control and
sub-Riemannian Geometry
Cortona, Italy, May 21 - 25, 2012
Session on Analytic and Geometric Optimal Control IFIP September
12-16-2011, Berlin.
Workshop on
Control and Topology Topolo'
(Udine, Italy), May 30th-31th, 2011.
Workshop on Quantum
Control IHP, Paris Dec. 8-10, 2010.
Workshop on
Nonlinear Control and Singularities Porquerolles
(83400 HYERES LES PALMIERS, France), October 24th-28th, 2010.
Franco-Brazilian Workshop on Sub-Riemannian Geometry Belem, August
23-27, 2010.