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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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98195293390 · Jun 202019922001200920182026
48 results for higher spin theory

The paper classifies higher order fermionic and bosonic operators in spin spaces.

problem Understanding higher order conformally invariant differential operators.
method Using higher spin theory in Clifford analysis, constructing operators as generalizations of the Euclidean Dirac operator.
result These operators act on functions in homogeneous harmonic or monogenic polynomial spaces, and are classified as fermionic or bosonic based on spin.

Study of higher spin bundles on Klein surfaces, linking to singularity theory.

problem Understanding the structure of spaces of higher spin bundles on Klein surfaces.
method Analysis of topological invariants and quotient spaces of Euclidean spaces.
result Connected components of the space of higher spin bundles are homeomorphic to quotients of Euclidean spaces.

The paper decomposes and analyzes the higher spin Laplace operator.

problem Understanding the properties and solutions of the higher spin Laplace operator.
method Decomposition into Rrita-Schwinger operators, proving conformal invariance, establishing integral formulas.
result Established a Borel-Pompeiu type formula and a Green type integral formula for the higher spin Laplace operator.

The paper constructs arbitrary order conformally invariant operators in higher spin spaces.

problem Classifying and constructing conformally invariant differential operators in higher spin spaces.
method Explicit expressions and convolution type operators, intertwining operators, and representation theory.
result Explicit expressions and properties of conformally invariant differential operators in higher spin spaces.

We study 4-dimensional higher-derivative conformal higher spin (CHS) fields generalising Weyl graviton and conformal gravitino. They appear, in particular, as "induced" theories in the AdS/CFT context. We consider their partition function on curved Einstein-space backgrounds like (A)dS or sphere and Ricci-flat spaces. …

2013-09-03abs ↗pdf ↗

Gravitational interactions of higher spin fields are generically plagued by inconsistencies. We present a simple framework that couples higher spins to a broad class of gravitational backgrounds (including Ricci flat and Einstein) consistently at the classical level. The model is the simplest example of a Yang--Mills d…

2006-06-16abs ↗pdf ↗

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.

Maximal index vanishes for certain spin manifolds with positive scalar curvature.

problem Maximal index vanishing for spin manifolds with positive scalar curvature.
method Functional calculus for Dirac operator in maximal equivariant uniform Roe algebra.
result Maximal higher index vanishes in K-theory of maximal equivariant Roe algebra.

The purpose of this note is introduce a new axiom (called the Descent Axiom) in the theory of rr-spin cohomological field theories. This axiom explains the origin of gravitational descendants in this theory. Furthermore, the Descent Axiom immediately implies the Vanishing Axiom, explicating the latter (which has no a …

2000-09-06abs ↗pdf ↗

Motivated by the description of N=1\mathcal{N}=1 M-theory compactifications to four-dimensions given by Exceptional Generalized Geometry, we propose a way to geometrize the M-theory fluxes by appropriately relating the compactification space to a higher-dimensional manifold equipped with a torsion-free structure. As a n…

2014-10-31abs ↗pdf ↗

In the background effective field theory of heterotic string theory, the Green-Schwarz anomaly cancellation mechanism plays a key role. Here we reinterpret it and its magnetic dual version in terms of differential twisted String- and differential twisted Fivebrane-structures that generalize the notion of Spin-structure…

2009-10-21abs ↗pdf ↗

The paper extends higher-order operators in higher spin spaces.

problem Generalizing higher-order operators in higher spin spaces.
method Constructing 3rd order fermionic and 4th order bosonic operators in higher spin spaces.
result Fundamental solutions and intertwining operators of 3rd order fermionic and 4th order bosonic operators are presented.

We present a generalization of the Clifford action for other representations spaces of Spin(n)Spin(n), which is called the Clifford homomorphism. Their properties extend to the ones for the higher spin Dirac operators on spin manifolds. In particular, we have general Bochner identities for them, and an eigenvalue estimate o…

2000-07-10abs ↗pdf ↗

The article studies spinor and tensor fields on curved spaces, deriving formulas and spectra.

problem Understanding spinor and tensor fields on curved spaces.
method Weitzenböck-type formulas, explicit factorization of Laplace operator, representation theory.
result Explicit factorization of the Laplace operator and spectra calculation on constant curvature spaces.

The paper studies rational higher tangential structures from Lie groups, revealing systematic effects of variations.

problem Understanding higher tangential structures at the rational level and their connections to geometry.
method Defining and studying Spin-Fivebrane and Spin-Ninebrane structures, analyzing their spaces and gauge groups.
result Variations of higher structures systematically involve lower ones, with interesting effects revealed.

We present a Donaldson-Witten type field theory in eight dimensions on manifolds with Spin(7)Spin(7) holonomy. We prove that the stress tensor is BRST exact for metric variations preserving the holonomy and we give the invariants for this class of variations. In six and seven dimensions we propose similar theories on Calabi…

1997-05-19abs ↗pdf ↗

The first part of this text is a gentle exposition of some basic constructions and results in the extended prequantum theory of Chern-Simons-type gauge field theories. We explain in some detail how the action functional of ordinary 3d Chern-Simons theory is naturally localized ("extended", "multi-tiered") to a map on t…

2013-01-11abs ↗pdf ↗

Study 3d N=1 vacua from M-theory compactification on Spin(7) space.

problem Quantum corrections in 3d N=1 vacua from M-theory compactification.
method Use Higgs bundles to analyze 3d N=1 vacua and track corrections.
result Topological anomalies are robust and calculable in 3d effective field theory.

Study connects manifold complexity to scalar curvature bounds.

problem Understanding the relationship between manifold complexity and scalar curvature.
method Combining quantitative operator K-theory, Lipschitz topological K-theory, and a vanishing theorem.
result Established a relationship between covering complexity and scalar curvature bounds.

We classify higher-SPTs and their anomalies via cobordism theory.

problem Understanding higher symmetries and anomalies in quantum field theories.
method Developed a generalized cobordism theory using advanced mathematical tools.
result Classified higher-SPTs and their boundary anomalies.

Finsler geometry connects to higher-spin fields and curved-space Fronsdal equations.

problem Eliminating non-transverse modes in Finsler dynamics for higher spins.
method Parameterizing Finsler geometry in terms of symmetric tensors, analyzing linear and nonlinear terms, and examining gauge transformations.
result Finsler dynamics leads to the curved-space Fronsdal equation for all spins, plus a Stueckelberg-like coupling.

Positive energy theorems for spin initial data with charge in higher dimensions.

problem Establishing positive energy theorems for spin initial data with charge in dimensions n4n \geq 4.
method Using a dominant energy condition and asymptotically flat ends, extending classical theorems.
result Extending classical positive energy theorems to spin initial data with charge.

The Dirac operator for a manifold Q, and its chirality operator when Q is even dimensional, have a central role in noncommutative geometry. We systematically develop the theory of this operator when Q=G/H, where G and H are compact connected Lie groups and G is simple. An elementary discussion of the differential geome…

2002-10-30abs ↗pdf ↗

The paper proves a 'long neck principle' for Riemannian spin manifolds with positive scalar curvature.

problem Establishing a 'long neck principle' for Riemannian spin manifolds with boundary.
method Developed index theory on compact Riemannian spin manifolds with boundary and applied it to prove the 'long neck principle'.
result The distance between the support of the differential of a strictly area decreasing map and the boundary of a manifold is bounded.

This is an introduction to the construction of higher-dimensional knots by spinning methods. Simple spinning of classical knots was introduced by E. Artin in 1926, and several generalizations have followed. These include twist spinning, superspinning or p-spinning, frame spinning, roll spinning, and deform spinning. We…

2004-10-28abs ↗pdf ↗

The Jones-Wenzl projectors play a central role in quantum topology, underlying the construction of SU(2) topological quantum field theories and quantum spin networks. We construct chain complexes whose graded Euler characteristic is the "classical" projector in the Temperley-Lieb algebra. We show that they are homotopy…

2010-05-27abs ↗pdf ↗

We construct eta- and rho-invariants for Dirac operators, on the universal covering of a closed manifold, that are invariant under the projective action associated to a 2-cocycle of the fundamental group. We prove an Atiyah-Patodi-Singer index theorem in this setting, as well as its higher generalization. Applications …

2013-12-22abs ↗pdf ↗

The paper defines higher invariants for groups of polynomial growth and proves their convergence.

problem Defining and proving convergence of higher invariants for groups of polynomial growth.
method Using delocalized cyclic cocycles and a determinant map construction.
result A well-defined pairing between delocalized cyclic cocyles and K-theory classes of C*-algebraic secondary higher invariants.

In this article, we prove that on any compact spin manifold of dimension m congruent 0,6,7 mod 8, there exists a metric, for which the associated Dirac operator has at least one eigenvalue of multiplicity at least two. We prove this by catching the desired metric in a subspace of Riemannian metrics with a loop that is …

2015-04-04abs ↗pdf ↗

We prove the genus zero part of the generalized Witten conjecture relating moduli spaces of spin curves to Gelfand-Dickey hierarchies. That is, we show that intersection numbers on the moduli space of stable r-spin curves assemble into a generating function which yields a solution of the semiclassical limit of the KdV_…

1999-05-05abs ↗pdf ↗

Extends spinor-horosphere correspondence to higher dimensions and new spinor types.

problem Constructing isomorphisms between spinors and horospheres in hyperbolic spaces.
method Generalizes Mathews' results to Lipschitz spinors and null multiflags in higher-dimensional hyperbolic spaces.
result Equivariant correspondence between two-component Lipschitz spinors and higher-dimensional horospheres.

Study of partially-massless higher-spin algebras in (A)dSd+1_{d+1}.

problem Understanding global symmetries of partially-massless higher-spin fields.
method Defined and quotiented ideals in the universal enveloping algebra of (A)dSd+1_{d+1} isometries, derived bilinear forms, and used Howe duality.
result Explicit calculation of bilinear forms revealing additional ideals for non-negative integer values of d/2\ell-d/2.

Dynamics of four-dimensional massless fields of all spins is formulated in the Siegel space of complex 4×44\times 4 symmetric matrices. It is shown that the unfolded equations of free massless fields, that have a form of multidimensional Schrodinger equations, naturally distinguish between positive- and negative-frequen…

2008-01-15abs ↗pdf ↗