nLab Fridrich Valach

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Selected writings

On non-abelian T-duality in type II supergravity:

• Pavol Ševera, Fridrich Valach, Courant algebroids, Poisson-Lie T-duality, and type II supergravities (arXiv:1810.07763)

On duality for higher gauge theories, subsuming non-abelian T-duality and electric-magnetic duality, via boundary conditions for AKSZ sigma-models:

• Ján Pulmann, Pavol Ševera, Fridrich Valach, A non-abelian duality for (higher) gauge theories (arXiv:1909.06151)

A Lagrangian density for the bosnic sector of type II supergravity making the nature of the pregeometric RR-fields and their self-duality manifest:

• Karapet Mkrtchyan, Fridrich Valach, Democratic actions for type II supergravities, Phys.Rev.D 107 6 (2023) 066027 [arXiv:2207.00626, doi:10.1103/PhysRevD.107.066027]

Concise formulation of the Lagrangian density of heterotic D=10 supergravity, including all fermionic terms, via generalized geometry:

• Julian Kupka, Charles Strickland-Constable, Fridrich Valach: Direct derivation of gauged $\mathcal{N}=1$ supergravity in ten dimensions to all orders in fermions [arXiv:2410.16046]

and in BV-formalism:

• Julian Kupka, Charles Strickland-Constable, Fridrich Valach: Batalin-Vilkovisky formulation of the $\mathcal{N}=1$ supergravity in ten dimensions [arXiv:2501.18008]

• Julian Kupka, Charles Strickland-Constable, Fridrich Valach: Geometry of supergravity and the Batalin-Vilkovisky formulation of the \mathcal N=1 theory in ten dimensions [arXiv:2508.06398]

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