Geodesic
Hamiltonian Structures of Fermionic Two-Dimensional Toda Lattice Hierarchies
Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 90-102

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By exhibiting the corresponding Lax-pair representations, we propose a wide class of integrable two-dimensional (2D) fermionic Toda lattice (TL) hierarchies, which includes the 2D $N=(2\mid 2)$ and $N=(0\mid 2)$ supersymmetric TL hierarchies as particular cases. We develop the generalized graded $R$-matrix formalism using the generalized graded bracket on the space of graded operators with involution generalizing the graded commutator in superalgebras, which allows describing these hierarchies in the framework of the Hamiltonian formalism and constructing their first two Hamiltonian structures. We obtain the first Hamiltonian structure for both bosonic and fermionic Lax operators and the second Hamiltonian structure only for bosonic Lax operators.
Keywords: integrable systems, Toda lattices, Yang–Baxter equation.
Mots-clés : $R$-matrix 
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     author = {V. V. Gribanov and V. G. Kadyshevskii and A. S. Sorin},
     title = {Hamiltonian {Structures} of {Fermionic} {Two-Dimensional} {Toda} {Lattice} {Hierarchies}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {90--102},
     publisher = {mathdoc},
     volume = {146},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a7/}
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V. V. Gribanov; V. G. Kadyshevskii; A. S. Sorin. Hamiltonian Structures of Fermionic Two-Dimensional Toda Lattice Hierarchies. Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 90-102. http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a7/