recid:312105 - Search Results

Postprint

Spinor and Twistor Geometry in Einstein Gravity and Finsler Modifications

In: Advances in Applied Clifford Algebras, 2015, vol. 25, no. 2, p. 453-485

Postprint

Hamiltonian Anomalies from Extended Field Theories

In: Communications in Mathematical Physics, 2015, vol. 338, no. 3, p. 1327-1361

Postprint

Almost Kähler Ricci Flows and Einstein and Lagrange-Finsler Structures on Lie Algebroids

In: Mediterranean Journal of Mathematics, 2015, vol. 12, no. 4, p. 1397-1427

Postprint

Nonsmooth trust region algorithms for locally Lipschitz functions on Riemannian manifolds

In: Ima Journal of Numerical Analysis, 2016, vol. 36, no. 3, p. 1167-1192

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A new proof of the Larman–Rogers upper bound for the chromatic number of the Euclidean space

In: Discrete Applied Mathematics, 2020, vol. 276, p. 115–120

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Differential of metric valued Sobolev maps

Gigli, Nicola ; Pasqualetto, Enrico ; Soultanis, Elefterios

In: Journal of Functional Analysis, 2020, vol. 278, no. 6, p. 108403

We introduce a notion of differential of a Sobolev map between metric spaces. The differential is given in the framework of tangent and cotangent modules of metric measure spaces, developed by the first author. We prove that our notion is consistent with Kirchheim's metric differential when the source is a Euclidean space, and with the abstract differential provided by the first author when...

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Spaces with almost Euclidean Dehn function

Wenger, Stefan

In: Mathematische Annalen, 2019, vol. 373, no. 3, p. 1177–1210

We prove that any proper, geodesic metric space whose Dehn function grows asymptotically like the Euclidean one has asymptotic cones which are non-positively curved in the sense of Alexandrov, thus are CAT(0) . This is new already in the setting of Riemannian manifolds and establishes in particular the borderline case of a result about the sharp isoperimetric constant which implies Gromov...