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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,341 papers · 148 categories

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48 results for r-harmonic maps

New method constructs complex-valued r-harmonic functions on Riemannian manifolds.

problem Constructing complex-valued r-harmonic functions on Riemannian manifolds.
method Introducing a new method for constructing complex-valued r-harmonic functions on Riemannian manifolds and applying it to specific semisimple Lie groups.
result The method successfully constructs complex-valued r-harmonic functions on various Riemannian manifolds, including specific Lie groups.

The paper studies polyharmonic hypersurfaces in space forms, proving their minimal properties and characterizing specific cases.

problem Characterizing and understanding polyharmonic hypersurfaces in space forms.
method Analyzing hypersurfaces of order rr (briefly, rr-harmonic) in space forms Nm+1(c)N^{m+1}(c), focusing on c0c \leq 0 and Sm+1\mathbb{S}^{m+1}.
result Proves that rr-harmonic hypersurfaces in Nm+1(c)N^{m+1}(c) are minimal if c0c \leq 0 and mean curvature and shape operator are constant.

The paper explores polyharmonic hypersurfaces in pseudo-Riemannian space forms.

problem Characterizing polyharmonic hypersurfaces in pseudo-Riemannian space forms.
method Analyzing hypersurfaces with specific properties under given conditions.
result Existence of new families of proper r-harmonic hypersurfaces.

The paper investigates polyharmonic helices in 3D solvable Lie group Sol_3 and Euclidean spheres.

problem Existence and classification of polyharmonic helices of order r.
method Analytical and geometric approaches, including Lie group theory and Euclidean sphere analysis.
result Complete classification of proper r-harmonic helices in Sol_3 and new examples in Bianchi-Cartan-Vranceanu spaces.

The study characterizes and constructs polynomial harmonic morphisms on spheres.

problem Characterizing and constructing polynomial harmonic morphisms on spheres.
method Characterization and construction of polynomial harmonic morphisms using eigenfamilies.
result Strong restrictions and classification of polynomial harmonic morphisms in low dimensions.

The paper explores higher order energy functionals and their critical points.

problem Investigating critical points of higher order energy functionals.
method Definition and analysis of ESrES-r-harmonic maps, computation of Euler-Lagrange equations, study of second variation.
result First examples of proper critical points of ErES(φ)E_r^{ES}(\varphi) when N=SmN={\mathbb S}^m (r4,m3)(r \geq4,\, m\geq3).

The conjecture links gravitational waves to polynomial dynamics on the plane.

problem Characterizing gravitational wave dynamics on the Euclidean plane.
method Analyzing a dynamical system derived from a potential function in classical mechanics.
result The trajectories of the dynamical system are complete if and only if the potential is a polynomial of degree at most 2.

Both bi-harmonic map and ff-harmonic map have nice physical motivation and applications. In this paper, by combination of these two harmonic maps, we introduce and study ff-bi-harmonic maps as the critical points of the ff-bi-energy functional 12Mfτ(φ)2dvg\frac{1}{2}\int_M f|τ(φ)|^2dv_{g}. This class of maps generalizes both …

2013-05-23abs ↗pdf ↗

The paper generalizes Reeb spaces for special generic maps and lifts smooth functions.

problem Constructing lifts of smooth maps, especially Morse functions.
method Defining and generalizing quotient maps onto Reeb spaces of special generic maps and constructing lifts.
result Lifts of Morse functions can be constructed using the generalized maps.

Research explores real algebraic realization of round fold maps of codimension -1.

problem Real algebraic realization of round fold maps of codimension -1.
method Generalizes canonical projections of unit spheres to round fold maps and discusses their real algebraic realization.
result Developed new studies in real algebraic geometry focusing on round fold maps of codimension -1.

Study shows pure mapping classes can generate pseudo-Anosov mapping classes with certain conditions.

problem Understanding when pure mapping classes generate pseudo-Anosov mapping classes.
method Analyzing products of a given mapping class and powers of pure mapping classes, deriving an explicit constant.
result Almost all pure mapping classes generate pseudo-Anosov mapping classes when their powers exceed a certain constant.

The paper derives Liouville theorems for various generalized maps on Riemannian manifolds.

problem Deriving Liouville theorems for generalized maps on Riemannian manifolds.
method Using conservation laws and monotonicity formulas, the paper derives Liouville theorems for different types of maps under various conditions.
result The paper establishes Liouville theorems for several types of generalized maps, including φφ-FF harmonic maps, φφ-FF symphonic maps, and φφ-FF-VV-harmonic maps.

Study of liftable mapping class group for superelliptic covers.

problem Understanding mapping class groups of superelliptic covers.
method Computational and algebraic methods to study the liftable mapping class group.
result The liftable mapping class group is independent of the degree of the cover and has finite abelianization.

The paper explores unique continuation properties for polyharmonic maps between Riemannian manifolds.

problem Investigating unique continuation principles for polyharmonic maps.
method Analyzing critical points of higher order functionals to prove extensions of known results in harmonic and biharmonic cases.
result Proving extensions of unique continuation principles for k-harmonic maps.

This paper constructs real algebraic maps that are topologically special generic maps.

problem Constructing smooth maps in differential topology and real algebraic geometry.
method Constructs real algebraic maps that are topologically special generic maps.
result Real algebraic maps are topologically special generic maps.

Characterizes a general range decreasing group homomorphism.

problem Understanding range decreasing group homomorphisms in the entire mapping group.
method Characterization of a general range decreasing group homomorphism.
result Computes a particular class of homomorphisms and identifies all range decreasing group homomorphisms on specific mapping groups.

The paper proves a Liouville theorem for specific harmonic maps with free boundary.

problem Analyzing harmonic maps with free boundary conditions.
method Developed Liouville theorem for φ φ-FF-symphonic, φ φ-FF-harmonic, and φ φ-ΦS,p,εΦ_{S, p, \varepsilon} harmonic maps.
result Established Liouville theorem for the specified harmonic maps with free boundary.

We introduce slant Riemannian maps from Riemannian manifolds to almost Hermitian manifolds as a generalization of slant immersions, invariant Riemannian maps and anti-invariant Riemannian maps. We give examples, obtain characterizations and investigate the harmonicity of such maps. We also obtain necessary and sufficie…

2012-06-15abs ↗pdf ↗

The paper studies maps from pseudo-Hermitian to Kähler manifolds, proving harmonic map properties.

problem Analyzing maps between pseudo-Hermitian and Kähler manifolds.
method Investigates partial energy functionals and critical maps, proving foliated results for b\overline{\partial}_{b}- and b\partial_{b}-harmonic maps.
result Generalizes Siu's holomorphicity result to b\overline{\partial}_{b}- and b\partial_{b}-harmonic maps.

The article explores constructing biharmonic and conformal biharmonic maps to spheres.

problem Constructing biharmonic and conformal biharmonic maps to spheres.
method Geometric algorithm to render harmonic maps biharmonic or conformally biharmonic.
result Explicit critical points for conformal-biharmonic maps between spheres are found.

New theorem proves convergence of various discrete conformal structures to conformal maps.

problem Proving convergence of discrete conformal structures to conformal maps.
method General theorem using piecewise linear discrete conformal mappings and Riemannian barycentric coordinates.
result Discrete conformal mappings converge to conformal maps under certain conditions.