Geometry of Lagrangian and Hamiltonian formalisms in the dynamics of strings

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December 2014, 6(4): 503-526. doi: 10.3934/jgm.2014.6.503

Geometry of Lagrangian and Hamiltonian formalisms in the dynamics of strings

Janusz Grabowski ^1, , Katarzyna Grabowska ^2, and Paweł Urbański ^2,

1.	Institute of Mathematics, Polish Academy of Sciences, Śniadeckich 8, 00-656 Warszawa, Poland
2.	Division of Mathematical Methods in Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warszawa, Poland, Poland

Received January 2014 Revised May 2014 Published December 2014

Abstract
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The Lagrangian description of mechanical systems and the Legendre Transformation (considered as a passage from the Lagrangian to the Hamiltonian formulation of the dynamics) for point-like objects, for which the infinitesimal configuration space is $T M$, is based on the existence of canonical symplectic isomorphisms of double vector bundles $T^* TM$, $T^*T^* M$, and $TT^* M$, where the symplectic structure on $TT^* M$ is the tangent lift of the canonical symplectic structure $T^* M$. We show that there exists an analogous picture in the dynamics of objects for which the configuration space is $\wedge^n T M$, if we make use of certain structures of graded bundles of degree $n$, i.e. objects generalizing vector bundles (for which $n=1$). For instance, the role of $TT^*M$ is played in our approach by the manifold $\wedge^nT M\wedge^nT^*M$, which is canonically a graded bundle of degree $n$ over $\wedge^nT M$. Dynamics of strings and the Plateau problem in statics are particular cases of this framework.

Keywords: minimal surfaces., Tulczyjew triples, Lagrange formalism, Hamiltonian formalism, double vector bundles, variational calculus.

Mathematics Subject Classification: Primary: 70S05, 53C80; Secondary: 53D17, 58A20, 58A32, 70G4.

Citation: Janusz Grabowski, Katarzyna Grabowska, Paweł Urbański. Geometry of Lagrangian and Hamiltonian formalisms in the dynamics of strings. Journal of Geometric Mechanics, 2014, 6 (4) : 503-526. doi: 10.3934/jgm.2014.6.503

References:

[1]	C. Buttin, Théorie des opérateurs différentiels gradués sur les formes différentielles,, Bull. Soc. Math. France, 102* (1974), 49. Google Scholar*
[2]	F. Cantrijn, L. A. Ibort and M. De Leon, Hamiltonian structures on multisymplectic manifolds,, Rend. Sem. Mat. Univ. Pol. Torino, 54 (1996), 225. Google Scholar
[3]	C. M. Campos, E. Guzmán and J. C. Marrero, Classical field theories of first order and lagrangian submanifolds of premultisymplectic manifolds,, J. Geom. Mech., 4 (2012), 1. doi: 10.3934/jgm.2012.4.1. Google Scholar
[4]	J. F. Cariñena, M. Crampin and L. A. Ibort, On the multisymplectic formalism for first order theories,, Differential Geom. Appl., 1 (1991), 345. doi: 10.1016/0926-2245(91)90013-Y. Google Scholar
[5]	A. Echeverría-Enríquez and M. C. Muñoz-Lecanda, Geometry of multisymplectic Hamiltonian first order theory,, J. Math. Phys., 41 (2000), 7402. doi: 10.1063/1.1308075. Google Scholar
[6]	L. E. Evans, Partial Differential Equations,, Graduate Studies in Mathematics 19, 19 (1998). Google Scholar
[7]	M. Forger, C. Paufler and H. Römer, A general construction of Poisson brackets on exact multisymplectic manifolds,, Rep. Math. Phys., 51 (2003), 187. doi: 10.1016/S0034-4877(03)80012-5. Google Scholar
[8]	M. Forger, C. Paufler and H. Römer, Hamiltonian multivector fields and Poisson forms in multisymplectic field theories,, J. Math. Phys., 46 (2005), 112903. doi: 10.1063/1.2116320. Google Scholar
[9]	M. Forger and L. G. Gomes, Multisymplectic and polysymplectic structures on fiber bundles,, Rev. Math. Phys., 25 (2013). doi: 10.1142/S0129055X13500189. Google Scholar
[10]	K. Gawędzki, On the geometrization of the canonical formalism in the classical field theory,, Rep. Math. Phys., 3 (1972), 307. doi: 10.1016/0034-4877(72)90014-6. Google Scholar
[11]	G. Giachetta and L. Mangiarotti, Constrained Hamiltonian Systems and Gauge Theories,, Int. J. Theor. Phys., 34 (1995), 2353. doi: 10.1007/BF00670772. Google Scholar
[12]	G. Giachetta, L. Mangiarotti and G. A. Sardanashvili, Advanced Classical Field Theory,, World Scientific, (2009). doi: 10.1142/9789812838964. Google Scholar
[13]	M. J. Gotay, J. Isenberg and J. E. Marsden, Momentum maps and classical relativistic fields, Part I: Covariant field theory,, preprint, (). Google Scholar
[14]	M. J. Gotay, J. Isenberg and J. E. Marsden, Momentum maps and classical relativistic fields, Part II: Canonical analysis of field theories,, preprint, (). Google Scholar
[15]	K. Grabowska, The Tulczyjew triple for classical fields,, J. Phys. A, 45 (2012), 145207. doi: 10.1088/1751-8113/45/14/145207. Google Scholar
[16]	K. Grabowska, Lagrangian and Hamiltonian formalism in field theory: A simple model,, J. Geom. Mech., 2 (2010), 375. doi: 10.3934/jgm.2010.2.375. Google Scholar
[17]	K. Grabowska and J. Grabowski, Variational calculus with constraints on general algebroids,, J. Phys. A: Math. Theor., 41 (2008). doi: 10.1088/1751-8113/41/17/175204. Google Scholar
[18]	K. Grabowska and J. Grabowski, Dirac algebroids in Lagrangian and Hamiltonian mechanics,, J. Geom. Phys., 61 (2011), 2233. doi: 10.1016/j.geomphys.2011.06.018. Google Scholar
[19]	K. Grabowska and J. Grabowski, Tulczyjew triples: From statics to field theory,, J. Geom. Mech., 5 (2013), 445. doi: 10.3934/jgm.2013.5.445. Google Scholar
[20]	K. Grabowska, J. Grabowski and P. Urbański, Geometrical Mechanics on algebroids,, Int. J. Geom. Meth. Mod. Phys., 3 (2006), 559. doi: 10.1142/S0219887806001259. Google Scholar
[21]	J. Grabowski, Brakets,, Int. J. Geom. Methods Mod. Phys. 10 (2013), 10 (2013). doi: 10.1142/S0219887813600013. Google Scholar
[22]	J. Grabowski and M. Rotkiewicz, Higher vector bundles and multi-graded symplectic manifolds,, J. Geom. Phys., 59 (2009), 1285. doi: 10.1016/j.geomphys.2009.06.009. Google Scholar
[23]	J. Grabowski and M. Rotkiewicz, Graded bundles and homogeneity structures,, J.Geom. Phys., 62 (2012), 21. doi: 10.1016/j.geomphys.2011.09.004. Google Scholar
[24]	J. Grabowski and P. Urbański, Tangent lifts of Poisson and related structures,, J. Phys. A, 28 (1995), 6743. doi: 10.1088/0305-4470/28/23/024. Google Scholar
[25]	J. Grabowski and P. Urbański, Algebroids - general differential calculi on vector bundles,, J. Geom. Phys., 31 (1999), 111. doi: 10.1016/S0393-0440(99)00007-8. Google Scholar
[26]	C. Günther, The polysymplectic Hamiltonian formalism in field theory and calculus of variations. I. The local case,, J. Differential Geom., 25 (1987), 23. Google Scholar
[27]	J. Kijowski and W. Szczyrba, A canonical structure for classical field theories,, Commun. Math. Phys., 46 (1976), 183. doi: 10.1007/BF01608496. Google Scholar
[28]	J. Kijowski and W. M. Tulczyjew, A Symplectic Framework for Field Theories,, Lecture Notes in Physics, (1979). Google Scholar
[29]	I. Kolář and J. Tomáš, Gauge-natural transformations of some cotangent bundles,, Acta Univ. M. Belii ser. Mathematics, 5 (1997), 3. Google Scholar
[30]	K. Konieczna and P. Urbański, Double vector bundles and duality,, Arch. Math. (Brno), 35 (1999), 59. Google Scholar
[31]	O. Krupková, Hamiltonian field theory,, J. Geom. Phys. 43 (2002), 43 (2002), 93. doi: 10.1016/S0393-0440(01)00087-0. Google Scholar
[32]	M. de León, D. Martín de Diego and A. Santamaría-Merino, Tulczyjew's triples and lagrangian submanifolds in classical field theories,, in Applied Differential Geometry and Mechanics (eds. W. Sarlet and F. Cantrijn), (2003), 21. Google Scholar
[33]	P. Libermann and C. M. Marle, Symplectic Geometry and Analytical Mechanics,, Translated from the French by Bertram Eugene Schwarzbach. Mathematics and its Applications, (1987). doi: 10.1007/978-94-009-3807-6. Google Scholar
[34]	D. Lüst and S. Theisen, Lectures on String Theory,, Lecture Notes in Physics, 346 (1989). Google Scholar
[35]	M. Łukasik, Rachunek Wariacyjny Niezale.zny od Parametryzacji. Przypadek Jednowymiarowy (Polish),, PhD Thesis, (2012). Google Scholar
[36]	G. Martin, A Darboux theorem for multi-symplectic manifolds,, Lett. Math. Phys., 16 (1988), 133. doi: 10.1007/BF00402020. Google Scholar
[37]	G. Pidello and W. Tulczyjew, Derivations of differential forms on jet bundles,, Ann. Mat. Pura Appl., 147* (1987), 249. doi: 10.1007/BF01762420. Google Scholar*
[38]	J. Pradines, Représentation des jets non holonomes par des morphismes vectoriels doubles soudés,, C. R. Acad. Sci. Paris, 278* (1974), 1523. Google Scholar*
[39]	D. Roytenberg, On the structure of graded symplectic supermanifolds and Courant algebroids,, in Quantization, 315* (2001), 169. doi: 10.1090/conm/315/05479. Google Scholar*
[40]	G. Sardanashvily, Lagrangian dynamics of submanifolds. Relativistic mechanics,, J. Geom. Mech., 4 (2012), 99. doi: 10.3934/jgm.2012.4.99. Google Scholar
[41]	P. Ševera, Some title containing the words "homotopy" and "symplectic", e.g. this one,, Travaux mathématiques, 16 (2005), 121. Google Scholar
[42]	W. Tulczyjew, Hamiltonian systems, Lagrangian systems, and the Legendre transformation,, Symposia Math., 14 (1974), 247. Google Scholar
[43]	W. M. Tulczyjew, The Legendre transformation,, Ann. Inst. H. Poincaré Sect. A (N.S.), 27 (1977), 101. Google Scholar
[44]	W. M. Tulczyjew, A symplectic framework for linear field theories,, Ann. Mat. Pura Appl., 130* (1982), 177. doi: 10.1007/BF01761494. Google Scholar*
[45]	W. M. Tulczyjew, Geometric Formulation of Physical Theories,, Bibliopolis, (1989). Google Scholar
[46]	W. M. Tulczyjew and P. Urbański, A slow and careful Legendre transformation for singular Lagrangians,, The Infeld Centennial Meeting (Warsaw, 30 (1999), 2909. Google Scholar
[47]	L. Vitagliano, Partial differential Hamiltonian systems,, Cand. J. Math., 65 (2013), 1164. doi: 10.4153/CJM-2012-055-0. Google Scholar
[48]	P. Urbański, Double vector bundles in classical mechanics,, Rend. Sem. Matem. Torino, 54 (1996), 405. Google Scholar
[49]	T. T. Voronov, Graded manifolds and Drienfeld doubles for Lie bialgebroids,, in Quantization, 315* (2001), 131. doi: 10.1090/conm/315/05478. Google Scholar*
[50]	Y. Xin, Minimal Submanifolds and Related Topics,, Nankai Tracts in Mathematics 8, 8 (2003). doi: 10.1142/9789812564382. Google Scholar

show all references

References:

[1]	C. Buttin, Théorie des opérateurs différentiels gradués sur les formes différentielles,, Bull. Soc. Math. France, 102* (1974), 49. Google Scholar*
[2]	F. Cantrijn, L. A. Ibort and M. De Leon, Hamiltonian structures on multisymplectic manifolds,, Rend. Sem. Mat. Univ. Pol. Torino, 54 (1996), 225. Google Scholar
[3]	C. M. Campos, E. Guzmán and J. C. Marrero, Classical field theories of first order and lagrangian submanifolds of premultisymplectic manifolds,, J. Geom. Mech., 4 (2012), 1. doi: 10.3934/jgm.2012.4.1. Google Scholar
[4]	J. F. Cariñena, M. Crampin and L. A. Ibort, On the multisymplectic formalism for first order theories,, Differential Geom. Appl., 1 (1991), 345. doi: 10.1016/0926-2245(91)90013-Y. Google Scholar
[5]	A. Echeverría-Enríquez and M. C. Muñoz-Lecanda, Geometry of multisymplectic Hamiltonian first order theory,, J. Math. Phys., 41 (2000), 7402. doi: 10.1063/1.1308075. Google Scholar
[6]	L. E. Evans, Partial Differential Equations,, Graduate Studies in Mathematics 19, 19 (1998). Google Scholar
[7]	M. Forger, C. Paufler and H. Römer, A general construction of Poisson brackets on exact multisymplectic manifolds,, Rep. Math. Phys., 51 (2003), 187. doi: 10.1016/S0034-4877(03)80012-5. Google Scholar
[8]	M. Forger, C. Paufler and H. Römer, Hamiltonian multivector fields and Poisson forms in multisymplectic field theories,, J. Math. Phys., 46 (2005), 112903. doi: 10.1063/1.2116320. Google Scholar
[9]	M. Forger and L. G. Gomes, Multisymplectic and polysymplectic structures on fiber bundles,, Rev. Math. Phys., 25 (2013). doi: 10.1142/S0129055X13500189. Google Scholar
[10]	K. Gawędzki, On the geometrization of the canonical formalism in the classical field theory,, Rep. Math. Phys., 3 (1972), 307. doi: 10.1016/0034-4877(72)90014-6. Google Scholar
[11]	G. Giachetta and L. Mangiarotti, Constrained Hamiltonian Systems and Gauge Theories,, Int. J. Theor. Phys., 34 (1995), 2353. doi: 10.1007/BF00670772. Google Scholar
[12]	G. Giachetta, L. Mangiarotti and G. A. Sardanashvili, Advanced Classical Field Theory,, World Scientific, (2009). doi: 10.1142/9789812838964. Google Scholar
[13]	M. J. Gotay, J. Isenberg and J. E. Marsden, Momentum maps and classical relativistic fields, Part I: Covariant field theory,, preprint, (). Google Scholar
[14]	M. J. Gotay, J. Isenberg and J. E. Marsden, Momentum maps and classical relativistic fields, Part II: Canonical analysis of field theories,, preprint, (). Google Scholar
[15]	K. Grabowska, The Tulczyjew triple for classical fields,, J. Phys. A, 45 (2012), 145207. doi: 10.1088/1751-8113/45/14/145207. Google Scholar
[16]	K. Grabowska, Lagrangian and Hamiltonian formalism in field theory: A simple model,, J. Geom. Mech., 2 (2010), 375. doi: 10.3934/jgm.2010.2.375. Google Scholar
[17]	K. Grabowska and J. Grabowski, Variational calculus with constraints on general algebroids,, J. Phys. A: Math. Theor., 41 (2008). doi: 10.1088/1751-8113/41/17/175204. Google Scholar
[18]	K. Grabowska and J. Grabowski, Dirac algebroids in Lagrangian and Hamiltonian mechanics,, J. Geom. Phys., 61 (2011), 2233. doi: 10.1016/j.geomphys.2011.06.018. Google Scholar
[19]	K. Grabowska and J. Grabowski, Tulczyjew triples: From statics to field theory,, J. Geom. Mech., 5 (2013), 445. doi: 10.3934/jgm.2013.5.445. Google Scholar
[20]	K. Grabowska, J. Grabowski and P. Urbański, Geometrical Mechanics on algebroids,, Int. J. Geom. Meth. Mod. Phys., 3 (2006), 559. doi: 10.1142/S0219887806001259. Google Scholar
[21]	J. Grabowski, Brakets,, Int. J. Geom. Methods Mod. Phys. 10 (2013), 10 (2013). doi: 10.1142/S0219887813600013. Google Scholar
[22]	J. Grabowski and M. Rotkiewicz, Higher vector bundles and multi-graded symplectic manifolds,, J. Geom. Phys., 59 (2009), 1285. doi: 10.1016/j.geomphys.2009.06.009. Google Scholar
[23]	J. Grabowski and M. Rotkiewicz, Graded bundles and homogeneity structures,, J.Geom. Phys., 62 (2012), 21. doi: 10.1016/j.geomphys.2011.09.004. Google Scholar
[24]	J. Grabowski and P. Urbański, Tangent lifts of Poisson and related structures,, J. Phys. A, 28 (1995), 6743. doi: 10.1088/0305-4470/28/23/024. Google Scholar
[25]	J. Grabowski and P. Urbański, Algebroids - general differential calculi on vector bundles,, J. Geom. Phys., 31 (1999), 111. doi: 10.1016/S0393-0440(99)00007-8. Google Scholar
[26]	C. Günther, The polysymplectic Hamiltonian formalism in field theory and calculus of variations. I. The local case,, J. Differential Geom., 25 (1987), 23. Google Scholar
[27]	J. Kijowski and W. Szczyrba, A canonical structure for classical field theories,, Commun. Math. Phys., 46 (1976), 183. doi: 10.1007/BF01608496. Google Scholar
[28]	J. Kijowski and W. M. Tulczyjew, A Symplectic Framework for Field Theories,, Lecture Notes in Physics, (1979). Google Scholar
[29]	I. Kolář and J. Tomáš, Gauge-natural transformations of some cotangent bundles,, Acta Univ. M. Belii ser. Mathematics, 5 (1997), 3. Google Scholar
[30]	K. Konieczna and P. Urbański, Double vector bundles and duality,, Arch. Math. (Brno), 35 (1999), 59. Google Scholar
[31]	O. Krupková, Hamiltonian field theory,, J. Geom. Phys. 43 (2002), 43 (2002), 93. doi: 10.1016/S0393-0440(01)00087-0. Google Scholar
[32]	M. de León, D. Martín de Diego and A. Santamaría-Merino, Tulczyjew's triples and lagrangian submanifolds in classical field theories,, in Applied Differential Geometry and Mechanics (eds. W. Sarlet and F. Cantrijn), (2003), 21. Google Scholar
[33]	P. Libermann and C. M. Marle, Symplectic Geometry and Analytical Mechanics,, Translated from the French by Bertram Eugene Schwarzbach. Mathematics and its Applications, (1987). doi: 10.1007/978-94-009-3807-6. Google Scholar
[34]	D. Lüst and S. Theisen, Lectures on String Theory,, Lecture Notes in Physics, 346 (1989). Google Scholar
[35]	M. Łukasik, Rachunek Wariacyjny Niezale.zny od Parametryzacji. Przypadek Jednowymiarowy (Polish),, PhD Thesis, (2012). Google Scholar
[36]	G. Martin, A Darboux theorem for multi-symplectic manifolds,, Lett. Math. Phys., 16 (1988), 133. doi: 10.1007/BF00402020. Google Scholar
[37]	G. Pidello and W. Tulczyjew, Derivations of differential forms on jet bundles,, Ann. Mat. Pura Appl., 147* (1987), 249. doi: 10.1007/BF01762420. Google Scholar*
[38]	J. Pradines, Représentation des jets non holonomes par des morphismes vectoriels doubles soudés,, C. R. Acad. Sci. Paris, 278* (1974), 1523. Google Scholar*
[39]	D. Roytenberg, On the structure of graded symplectic supermanifolds and Courant algebroids,, in Quantization, 315* (2001), 169. doi: 10.1090/conm/315/05479. Google Scholar*
[40]	G. Sardanashvily, Lagrangian dynamics of submanifolds. Relativistic mechanics,, J. Geom. Mech., 4 (2012), 99. doi: 10.3934/jgm.2012.4.99. Google Scholar
[41]	P. Ševera, Some title containing the words "homotopy" and "symplectic", e.g. this one,, Travaux mathématiques, 16 (2005), 121. Google Scholar
[42]	W. Tulczyjew, Hamiltonian systems, Lagrangian systems, and the Legendre transformation,, Symposia Math., 14 (1974), 247. Google Scholar
[43]	W. M. Tulczyjew, The Legendre transformation,, Ann. Inst. H. Poincaré Sect. A (N.S.), 27 (1977), 101. Google Scholar
[44]	W. M. Tulczyjew, A symplectic framework for linear field theories,, Ann. Mat. Pura Appl., 130* (1982), 177. doi: 10.1007/BF01761494. Google Scholar*
[45]	W. M. Tulczyjew, Geometric Formulation of Physical Theories,, Bibliopolis, (1989). Google Scholar
[46]	W. M. Tulczyjew and P. Urbański, A slow and careful Legendre transformation for singular Lagrangians,, The Infeld Centennial Meeting (Warsaw, 30 (1999), 2909. Google Scholar
[47]	L. Vitagliano, Partial differential Hamiltonian systems,, Cand. J. Math., 65 (2013), 1164. doi: 10.4153/CJM-2012-055-0. Google Scholar
[48]	P. Urbański, Double vector bundles in classical mechanics,, Rend. Sem. Matem. Torino, 54 (1996), 405. Google Scholar
[49]	T. T. Voronov, Graded manifolds and Drienfeld doubles for Lie bialgebroids,, in Quantization, 315* (2001), 131. doi: 10.1090/conm/315/05478. Google Scholar*
[50]	Y. Xin, Minimal Submanifolds and Related Topics,, Nankai Tracts in Mathematics 8, 8 (2003). doi: 10.1142/9789812564382. Google Scholar

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