Partial compactness for the 2-D Landau-Lifshitz flow.
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Displaying 1 – 11 of 11
Poisson structures on Weil bundles.
Shurygin, Vadim V.jun. (2005)
Lobachevskii Journal of Mathematics
Presymplectic lagrangian systems. I : the constraint algorithm and the equivalence theorem
Mark J. Gotay, James M. Nester (1979)
Annales de l'I.H.P. Physique théorique
Product preserving bundle functors on fibered fibered manifolds
Włodzimierz M. Mikulski, Jiří M. Tomáš (2003)
Colloquium Mathematicae
We investigate the category of product preserving bundle functors defined on the category of fibered fibered manifolds. We show a bijective correspondence between this category and a certain category of commutative diagrams on product preserving bundle functors defined on the category ℳ f of smooth manifolds. By an application of the theory of Weil functors, the latter category is considered as a category of commutative diagrams on Weil algebras. We also mention the relation with natural transformations...
Product preserving bundle functors on fibered manifolds.
Mikulski, W.M. (1996)
Archivum Mathematicum
Product preserving bundle functors on fibered manifolds
Włodzimierz M. Mikulski (1996)
Archivum Mathematicum
The complete description of all product preserving bundle functors on fibered manifolds in terms of natural transformations between product preserving bundle functors on manifolds is given.
Product preserving bundle functors on multifibered and multifoliate manifolds.
Shurygin, Vadim V. jun. (2007)
Lobachevskii Journal of Mathematics
Product preserving bundles on foliated manifolds
Włodzimierz M. Mikulski (2004)
Annales Polonici Mathematici
We present a complete description of all product preserving bundle functors on the category ℱol of all foliated manifolds and their leaf respecting maps in terms of homomorphisms of Weil algebras.
Product preserving gauge bundle functors on all principal bundle homomorphisms
Włodzimierz M. Mikulski (2011)
Annales Polonici Mathematici
Let 𝓟𝓑 be the category of principal bundles and principal bundle homomorphisms. We describe completely the product preserving gauge bundle functors (ppgb-functors) on 𝓟𝓑 and their natural transformations in terms of the so-called admissible triples and their morphisms. Then we deduce that any ppgb-functor on 𝓟𝓑 admits a prolongation of principal connections to general ones. We also prove a "reduction" theorem for prolongations of principal connections into principal ones by means of Weil functors....
Product preserving gauge bundle functors on vector bundles
Włodzimierz M. Mikulski (2001)
Colloquium Mathematicae
A complete description is given of all product preserving gauge bundle functors F on vector bundles in terms of pairs (A,V) consisting of a Weil algebra A and an A-module V with . Some applications of this result are presented.
Prolongation of linear semibasic tangent valued forms to product preserving gauge bundles of vector bundles.
Wlodzimierz M. Mikulski (2006)
Extracta Mathematicae
Let A be a Weil algebra and V be an A-module with dimR V < ∞. Let E → M be a vector bundle and let TA,VE → TAM be the vector bundle corresponding to (A,V). We construct canonically a linear semibasic tangent valued p-form TA,Vφ : TA,V E → ΛpT*TAM ⊗TAM TTA,VE on TA,VE → TAM from a linear semibasic tangent valued p-form φ : E → ΛpT*M ⊗ TE on E → M. For the Frolicher-Nijenhuis bracket we prove that [[TA,Vφ, TA,Vψ]] = TA,V ([[φ,ψ]]) for any linear semibasic tangent valued p- and q-forms φ and...
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