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arXiv research

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48 results for Higher Dimensions

Paper finds necessary condition for logarithmic Minkowski problem in higher dimensions.

problem Logarithmic Minkowski problem in higher dimensions.
method Established a necessary condition through generalization and refinement of previous work.
result Generalizes and refines necessary condition for logarithmic Minkowski problem.

New proof shows symmetry for certain curved surfaces in higher dimensions.

problem Understanding symmetries in curved surfaces evolving over time.
method Generalized previous result to higher dimensions, proving symmetry condition.
result Uniformly 3-convex translating solitons must have SO(n1)SO(n-1) symmetry.

This research shows that steady solitons in higher dimensions always reduce at infinity.

problem Characterizing steady solitons with nonnegative sectional curvature in higher dimensions.
method Dimension reduction analysis and tangent flow classification.
result Steady solitons in higher dimensions always reduce at infinity.

Study of self-dual polygons in higher dimensions, including explicit constructions and dimension calculations.

problem Understanding self-dual polygons in projective spaces of higher dimensions.
method Explicit construction and dimension calculation of moduli spaces of self-dual polygons.
result Provides the dimension of the moduli space for specific cases of n and m.

Abstract reviews recent Lagrangian analysis on immersions into higher dimensions.

problem Analyzing Lagrangians on immersions into higher dimensions.
method Reviews recent progress on Lagrangians on immersions with first and second fundamental forms and their derivatives.
result Recent progress in the analysis of Lagrangians on immersions into higher dimensions.

The study generalizes a specific geometric correspondence to higher dimensions.

problem Understanding nondegenerate lines on holomorphic contact manifolds.
method Analyzing nondegenerate lines and corresponding distributions on higher-dimensional manifolds.
result A generalization of the (2,3,5)(2,3,5)-distributions to higher dimensions.

Improved homological dimension for certain subgroups in Lie groups.

problem Determining homological dimensions of discrete subgroups in Lie groups.
method Using recent results and properties of injectivity radius, the homological dimension gap is calculated.
result Infinite volume torsion-free subgroups of higher rank Lie groups have a homological dimension gap of at least 1/8 of the real rank.

Study finds counterexamples to simple loop conjecture in higher dimensions.

problem Simple loop conjecture for surfaces to manifolds of dimensions at least four.
method Provided specific counterexamples for every g2g\ge 2 and n4n\ge4.
result No simple loop is contained in the kernel of the map for certain surfaces and manifolds.

The biharmonic flow and Willmore flow are studied in higher dimensions using geometric evolution equations.

problem Prove global existence of the Willmore flow in higher dimensions.
method Apply Michael-Simon-Sobolev inequality and Gagliardo-Nirenberg inequalities to establish local energy estimates and maximal existence time.
result Global existence of the Willmore flow in higher dimensions is proven.

Higher-dimensional Ricci flows are shown to have unique and stable solutions.

problem Stability and uniqueness of Ricci flows in higher dimensions.
method Generalization of Bamler-Kleiner's proof to higher dimensions, use of Brendle's classification of κ-solutions, and maximum principle for linearized Ricci-DeTurck flow.
result Canonical evolution through singularities for manifolds with positive isotropic curvature.

Study of higher spin Killing spinors on 3D manifolds, proving rigidity and providing explicit expressions.

problem Understanding higher spin Killing spinors on 3D manifolds.
method Definition and detailed study of higher spin Killing spinors in arbitrary dimension, focusing on 3D manifolds. Rigidity result and explicit expressions for 3-sphere and 3-hyperbolic space.
result Proved a rigidity result for 3D manifolds admitting higher spin Killing spinors and provided explicit expressions for these spinors.

Enhances conformal geometry in higher dimensions with infinite-dimensional algebra.

problem Finite-dimensional group of conformal transformations in higher dimensions.
method Derived deformation theory of ambitwistor space of complex null-geodesics.
result Infinite-dimensional dg-Lie algebra incorporating symmetries and conformal structure deformations.

The study proves a neighborhood theorem for mean curvature flow in higher dimensions.

problem Proving a canonical neighborhood theorem for mean curvature flow in higher dimensions.
method Proved a canonical neighborhood theorem for mean curvature flow of compact submanifolds in RN\mathbb{R}^N with a pinching condition.
result Proved a canonical neighborhood theorem for mean curvature flow in dimensions n5n \geq 5.

Computational techniques calculate dimensions of complex structures.

problem Calculating dimensions of complex structures on manifolds.
method Developed computational techniques to calculate Kodaira dimension and Dolbeault harmonic forms.
result Computed dimensions of left-invariant almost complex structures.

Multisections generalize Heegaard splittings and trisections to higher dimensions.

problem Decomposing higher-dimensional manifolds into 1-handlebodies with specific intersection properties.
method Considering multisections of higher-dimensional smooth or PL closed orientable manifolds, and associating diagrams to them.
result Multisection diagrams uniquely determine manifolds in all dimensions up to 6.

In higher dimensions, Schottky spaces have unique topological properties.

problem Characterize the topology of Schottky spaces in higher dimensions.
method Analyzing the fundamental group and homotopy properties of Schottky spaces in the borderline dimension.
result In the borderline dimension, the space is simply connected but has a dense open part with fundamental group a product of cyclic groups of order two.

Paper extends foliation results in higher dimensions for Schwarzschild spaces.

problem Existence of foliations by constant harmonic mean curvature hypersurfaces in asymptotically Schwarzschild manifolds.
method Generalization to higher dimensions, proving existence under arbitrary dimensionality.
result Existence of foliations by constant harmonic mean curvature hypersurfaces in asymptotically Schwarzschild manifolds of arbitrary dimension.

Develops higher arity VC theory and characterizes PAC learning in product spaces.

problem Characterizing PAC learning in multi-dimensional product spaces.
method Introduces higher arity VC dimension, generalizes Haussler packing lemma, and develops hypergraph regularity lemma.
result Characterizes higher arity PAC learning in n-fold product spaces.

Researchers find stable solutions for heat map flow in higher dimensions.

problem Stability of shrinkers for harmonic map heat flow in higher dimensions.
method Construction of specific target manifolds allowing for stable shrinkers.
result Existence of corotational self-similar shrinkers representing stable blowup mechanisms.

Study finds infinitely many non-radial solutions for negative scalar curvature in higher dimensions.

problem Prescribing scalar and boundary mean curvature in a ball with negative scalar curvature.
method Analyzes the existence of infinitely many non-radial positive solutions in dimensions 5 and above.
result First existence result for negative scalar curvature in higher dimensions.

For contact manifolds in dimension three, the notions of weak and strong symplectic fillability and tightness are all known to be inequivalent. We extend these facts to higher dimensions: in particular, we define a natural generalization of weak fillings and prove that it is indeed weaker (at least in dimension five),w…

2011-11-25abs ↗pdf ↗

The paper extends gluing theorems for gravitational fields in higher dimensions.

problem Proving gluing theorems for linearised gravitational fields on characteristic hypersurfaces.
method Analyzing linearised vacuum gravitational fields in (n+1)(n+1)-dimensional static spacetimes with cosmological constant.
result Generalization of gluing theorems to higher dimensions, extending previous work on light cones.

The correspondence of stationary, axisymmetric, asymptotically flat space-times and bundles over a reduced twistor space has been established in four dimensions. The main impediment for an application of this correspondence to examples in higher dimensions is the lack of a higher-dimensional equivalent of the Ernst pot…

2012-06-30abs ↗pdf ↗

Study equivariant isotopy in higher dimensions, finding exceptions.

problem Under what conditions are equivariant isotopic diffeomorphisms also equivariantly isotopic?
method Construct an invariant valued in the homology of an infinite cover to distinguish isotopic from equivariantly isotopic diffeomorphisms.
result Many equivariant diffeomorphisms are isotopic but not equivariantly isotopic in higher dimensions.

Connected sums defined for codimension two locally flat submanifolds in higher dimensions.

problem Defining connected sums for codimension two locally flat submanifolds in various dimensions.
method Using results from higher dimensional topological manifolds and four-manifolds, defining connected sums for codimension two locally flat submanifolds.
result A well-defined connected sum exists up to orientation preserving homeomorphism.

In this paper, we study κκ-noncollapsed ancient solutions to the Ricci flow with nonnegative curvature operator in higher dimensions. We impose one further assumption: one of the asymptotic shrinking gradient Ricci solitons is the standard cylinder Sn1×R\mathbb{S}^{n-1}\times\mathbb{R}. By making use of the properties of…

2018-12-10abs ↗pdf ↗

Extends results on smoothability of singular Fano and Calabi-Yau varieties.

problem Smoothability of singular Fano and Calabi-Yau varieties under terminal singularities.
method Generalizes deformation theory results for Calabi-Yau and Fano threefolds to higher dimensions, using higher Du Bois and rational singularities.
result Identifies a class of singularities for which smoothing results hold, including generalized Fano and Calabi-Yau varieties.