Results 41 to 50 of about 104 (98)

Twistor spaces for Riemannian symmetric spaces

Mathematische Annalen, 1993
We determine the structure of the zero-set of the Nijenhuis tensor of the natural almost complex structure \(J_ 1\) on the total space of the bundle \(J(G/K,g)\) of Hermitian structures on the tangent spaces of any even-dimensional Riemannian symmetric space \(G/K\) of compact or non- compact type.
Burstall, Fran, Gutt, Simone, Rawnsley, John   +2 more
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Lie polynomials and a twistorial correspondence for amplitudes. [PDF]

Lett Math Phys, 2021
Frost H, Mason L.
europepmc   +1 more source

Penrose junction conditions with Λ : geometric insights into low-regularity metrics for impulsive gravitational waves. [PDF]

Gen Relativ Gravit, 2022
Podolský J, Steinbauer R.
europepmc   +1 more source

Momentum amplituhedron meets kinematic associahedron. [PDF]

J High Energy Phys, 2021
Damgaard D, Ferro L, Łukowski T, Moerman R.   +3 more
europepmc   +1 more source

Degenerate twistor spaces for hyperkähler manifolds

Journal of Geometry and Physics, 2015
v.
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Quaternionic-like manifolds and homogeneous twistor spaces. [PDF]

Proc Math Phys Eng Sci, 2016
Pantilie R.
europepmc   +1 more source

Algebroids and Twistor Spaces

, 2015
We introduce a plethora of skew algebroids on twistor spaces and describe the corresponding foliations. In a forthcoming paper, we use these algebroids to derive results about bihermitian manifolds, also known as generalized Kahler manifolds.
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Moduli and twistor spaces

Rendiconti di Matematica e delle Sue Applicazioni, 1997
This paper describes a family of moduli spaces of holomorphic vector bundles over hyperelliptic Riemann surface, using twistor methods. The family includes the Jacobian and the moduli space of all stable holomorphic vector bundles with rank two and fixed determinant of odd degree.
R. Herrera, S. Salamon
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Nonlinear Dirac Equations, Monotonicity Formulas and Liouville Theorems. [PDF]

Commun Math Phys, 2019
Branding V.
europepmc   +1 more source

Moishezon twistor spaces

Moishezon twistor spaces
Twistor spaces are 3-dimensional complex manifolds which are naturally associated to anti-self-dual (ASD) conformal structures on 4-manifolds. In this talk, first I briefly recall generalities on ASD structures and the associated twistor spaces, and next survey some classical results on compact Kaehler/Moishezon twistor spaces that were obtained by ...
openaire