Figure 1.
Geodesics for $ \theta\in\left\{0,\frac{\pi}{3},\frac{2\pi}{3},\pi,\frac{4\pi}{6},\frac{5\pi}{6}\right\} $ when $ r = 0 $
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Optimal control of perfect plasticity part I: Stress tracking
June
2022, 12(2): 303-326.
doi: 10.3934/mcrf.2021023
Solvable approximations of 3-dimensional almost-Riemannian structures
| 1. | Lab. R. Salem, CNRS UMR 6085, Université de Rouen, avenue de l'université BP 12, 76801 Saint Étienne-du-Rouvray, France |
| 2. | Université Paris-Saclay, CNRS, CentraleSupélec, Laboratoire des signaux et systèmes, 91190 Gif-sur-Yvette, France |
In some cases, the nilpotent approximation of an almost-Riemannian structure can degenerate into a constant rank sub-Riemannian one. In those cases, the nilpotent approximation can be replaced by a solvable one that turns out to be a linear ARS on a nilpotent Lie group or a homogeneous space.
The distance defined by the solvable approximation is analyzed in the 3D-generic cases. It is shown that it is a better approximation of the original distance than the nilpotent one.
Keywords:
Almost-Riemannian geometry,
nilpotent approximation.
Mathematics Subject Classification:
Primary: 53C15, 53C17, 22E25, 53B99.
Citation:
Philippe Jouan, Ronald Manríquez. Solvable approximations of 3-dimensional almost-Riemannian structures. Mathematical Control and Related Fields,
2022, 12
(2)
: 303-326.
doi: 10.3934/mcrf.2021023
![]()
References:
| [1] |
R. Abraham, J. E. Marsden and T. Ratoiu, Manifolds, Tensor Analysis, and Applications, Second edition, Applied Mathematical Sciences, 75. Springer-Verlag, New York, 1988.
doi: 10.1007/978-1-4612-1029-0. |
| [2] |
A. A. Agrachev, U. Boscain, G. Charlot, R. Ghezzi and M. Sigalotti,
Two-dimensional almost-Riemannian structures with tangency points, Ann. Inst. H. Poincaré Anal. Non Linéaire, 27 (2010), 793-807.
doi: 10.1016/j.anihpc.2009.11.011. |
| [3] |
A. Agrachev, U. Boscain and M. Sigalotti,
A Gauss-Bonnet-like formula on two-dimensional almost-Riemannian manifolds, Discrete and Continuous Dynamical Systems, 20 (2008), 801-822.
doi: 10.3934/dcds.2008.20.801. |
| [4] |
A. Agrachev, D. Barilari and U. Boscain, A Comprehensive Introduction to Sub-Riemannian Geometry, Cambridge Studies in Advanced Mathematics, 181. Cambridge University Press, Cambridge, 2020. |
| [5] |
V. Ayala and P. Jouan,
Almost-Riemannian geometry on Lie groups, SIAM Journal on Control and Optimization, 54 (2016), 2919-2947.
doi: 10.1137/15M1038372. |
| [6] |
V. Ayala and J. Tirao,
Linear control systems on Lie groups and controllability, Proceedings of Symposia in Pure Mathematics, 64 (1999), 47-64.
doi: 10.1090/pspum/064/1654529. |
| [7] |
A. Bellaïche,
The Tangent space in sub-Riemannian geometry, Sub-Riemannian geometry, Progr. Math., Birkhäuser, Basel, 144 (1996), 1-78.
doi: 10.1007/978-3-0348-9210-0_1. |
| [8] |
B. Bonnard, J.-B. Caillau, R. Sinclair and M. Tanaka,
Conjugate and cut loci of a two-sphere of revolution with application to optimal control, Ann. Inst. H. Poincaré Anal. Non Linéaire, 26 (2009), 1081-1098.
doi: 10.1016/j.anihpc.2008.03.010. |
| [9] |
B. Bonnard, G. Charlot, R. Ghezzi and G. Janin,
The sphere and the cut locus at a tangency point in two-dimensional almost-Riemannian geometry, Journal of Dynamical and Control Systems, 17 (2011), 141-161.
doi: 10.1007/s10883-011-9113-4. |
| [10] |
U. Boscain, G. Charlot, M. Gaye and P. Mason,
Local properties of almost-Riemannian structures in dimension 3, Discrete Contin. Dyn. Syst., 35 (2015), 4115-4147.
doi: 10.3934/dcds.2015.35.4115. |
| [11] |
U. Boscain, G. Charlot and R. Ghezzi,
Normal forms and invariants for 2-dimensional almost-Riemannian structures, Differential Geometry and its Applications, 31 (2013), 41-62.
doi: 10.1016/j.difgeo.2012.10.001. |
| [12] |
U. Boscain, G. Charlot, R. Ghezzi and M. Sigalotti,
Lipschitz classification of almost-Riemannian distances on compact oriented surfaces, Journal of Geometric Analysis, 23 (2013), 438-455.
doi: 10.1007/s12220-011-9262-4. |
| [13] |
N. Bourbaki, Eléments De Mathematique. Groupes et Algèbres de Lie: Chapitres 2 et 3, 2nd edition, Germany: Springer Verlag, 2007. |
| [14] |
P. F. Byrd and M. D. Friedman, Handbook of Elliptic Integrals for Engineers and Physicists, Springer-Verlag, Berlin-G?ttingen-Heidelberg, 1954. |
| [15] |
A. Elías-Zúñiga,
A general solution of the Duffing equation, Nonlinear Dynamics, 45 (2006), 227-235.
doi: 10.1007/s11071-006-1858-z. |
| [16] |
F. Jean, Control of Nonholonomic Systems: From Sub-Riemannian Geometry to Motion Planning, SpringerBriefs in Mathematics, Springer International Publishing, 2014.
doi: 10.1007/978-3-319-08690-3. |
| [17] |
P. Jouan,
Equivalence of control systems with linear systems on Lie groups and homogeneous spaces, ESAIM: Control, Optimisation and Calculus of Variations, 16 (2010), 956-973.
doi: 10.1051/cocv/2009027. |
| [18] |
P. Jouan, G. Zsigmond and V. Ayala,
Isometries of almost-Riemannian structures on Lie groups, Differential Geometry and its Applications, 61 (2018), 59-81.
doi: 10.1016/j.difgeo.2018.08.003. |
show all references
References:
| [1] |
R. Abraham, J. E. Marsden and T. Ratoiu, Manifolds, Tensor Analysis, and Applications, Second edition, Applied Mathematical Sciences, 75. Springer-Verlag, New York, 1988.
doi: 10.1007/978-1-4612-1029-0. |
| [2] |
A. A. Agrachev, U. Boscain, G. Charlot, R. Ghezzi and M. Sigalotti,
Two-dimensional almost-Riemannian structures with tangency points, Ann. Inst. H. Poincaré Anal. Non Linéaire, 27 (2010), 793-807.
doi: 10.1016/j.anihpc.2009.11.011. |
| [3] |
A. Agrachev, U. Boscain and M. Sigalotti,
A Gauss-Bonnet-like formula on two-dimensional almost-Riemannian manifolds, Discrete and Continuous Dynamical Systems, 20 (2008), 801-822.
doi: 10.3934/dcds.2008.20.801. |
| [4] |
A. Agrachev, D. Barilari and U. Boscain, A Comprehensive Introduction to Sub-Riemannian Geometry, Cambridge Studies in Advanced Mathematics, 181. Cambridge University Press, Cambridge, 2020. |
| [5] |
V. Ayala and P. Jouan,
Almost-Riemannian geometry on Lie groups, SIAM Journal on Control and Optimization, 54 (2016), 2919-2947.
doi: 10.1137/15M1038372. |
| [6] |
V. Ayala and J. Tirao,
Linear control systems on Lie groups and controllability, Proceedings of Symposia in Pure Mathematics, 64 (1999), 47-64.
doi: 10.1090/pspum/064/1654529. |
| [7] |
A. Bellaïche,
The Tangent space in sub-Riemannian geometry, Sub-Riemannian geometry, Progr. Math., Birkhäuser, Basel, 144 (1996), 1-78.
doi: 10.1007/978-3-0348-9210-0_1. |
| [8] |
B. Bonnard, J.-B. Caillau, R. Sinclair and M. Tanaka,
Conjugate and cut loci of a two-sphere of revolution with application to optimal control, Ann. Inst. H. Poincaré Anal. Non Linéaire, 26 (2009), 1081-1098.
doi: 10.1016/j.anihpc.2008.03.010. |
| [9] |
B. Bonnard, G. Charlot, R. Ghezzi and G. Janin,
The sphere and the cut locus at a tangency point in two-dimensional almost-Riemannian geometry, Journal of Dynamical and Control Systems, 17 (2011), 141-161.
doi: 10.1007/s10883-011-9113-4. |
| [10] |
U. Boscain, G. Charlot, M. Gaye and P. Mason,
Local properties of almost-Riemannian structures in dimension 3, Discrete Contin. Dyn. Syst., 35 (2015), 4115-4147.
doi: 10.3934/dcds.2015.35.4115. |
| [11] |
U. Boscain, G. Charlot and R. Ghezzi,
Normal forms and invariants for 2-dimensional almost-Riemannian structures, Differential Geometry and its Applications, 31 (2013), 41-62.
doi: 10.1016/j.difgeo.2012.10.001. |
| [12] |
U. Boscain, G. Charlot, R. Ghezzi and M. Sigalotti,
Lipschitz classification of almost-Riemannian distances on compact oriented surfaces, Journal of Geometric Analysis, 23 (2013), 438-455.
doi: 10.1007/s12220-011-9262-4. |
| [13] |
N. Bourbaki, Eléments De Mathematique. Groupes et Algèbres de Lie: Chapitres 2 et 3, 2nd edition, Germany: Springer Verlag, 2007. |
| [14] |
P. F. Byrd and M. D. Friedman, Handbook of Elliptic Integrals for Engineers and Physicists, Springer-Verlag, Berlin-G?ttingen-Heidelberg, 1954. |
| [15] |
A. Elías-Zúñiga,
A general solution of the Duffing equation, Nonlinear Dynamics, 45 (2006), 227-235.
doi: 10.1007/s11071-006-1858-z. |
| [16] |
F. Jean, Control of Nonholonomic Systems: From Sub-Riemannian Geometry to Motion Planning, SpringerBriefs in Mathematics, Springer International Publishing, 2014.
doi: 10.1007/978-3-319-08690-3. |
| [17] |
P. Jouan,
Equivalence of control systems with linear systems on Lie groups and homogeneous spaces, ESAIM: Control, Optimisation and Calculus of Variations, 16 (2010), 956-973.
doi: 10.1051/cocv/2009027. |
| [18] |
P. Jouan, G. Zsigmond and V. Ayala,
Isometries of almost-Riemannian structures on Lie groups, Differential Geometry and its Applications, 61 (2018), 59-81.
doi: 10.1016/j.difgeo.2018.08.003. |
Figure 2.
Ball in 3-D generic case
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