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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.

169,051 papers · 148 categories

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48 results for concise encyclopedia

This is an overview article on the Kontsevich integral written for the Encyclopedia of Mathematical Physics, to be published by Elsevier.

2005-01-04abs ↗pdf ↗

This encyclopedia article briefly reviews without proofs some of the main results in cotangent bundle reduction. The article recalls most the necessary prerequisites to understand the main results.

2005-08-31abs ↗pdf ↗

This encyclopedia article briefly reviews without proofs some of the main results in symplectic reduction. The article recalls most the necessary prerequisites to understand the main results, namely, group actions, momentum maps, and coadjoint orbits, among others.

2005-08-31abs ↗pdf ↗

This is a review article for Encyclopedia of Complexity and System Science, to be published by Springer http://refworks.springer.com/complexity/. The paper reviews statistical models for money, wealth, and income distributions developed in the econophysics literature since late 1990s.

2007-09-23abs ↗pdf ↗

This is a survey article with a limited list of references (as required by the publisher) which appears in the Encyclopedia of Mathematical Physics, eds. J.-P. Francoise, G.L. Naber and Tsou S.T. Oxford: Elsevier, 2006. vol.4, pp.94--104.

2006-04-12abs ↗pdf ↗

This note is an expanded and updated version of our entry with the same title for the 2006 Encyclopedia of Mathematical Physics. We give a brief overview of graded Poisson algebras, their main properties and their main applications, in the contexts of super differentiable and of derived algebraic geometry.

2018-11-18abs ↗pdf ↗

This is an expositiry article on collapsing theory in Riemannian geometry written for the Modern Encyclopedia of Mathematical Physics (MEMPhys). We focus on describing the geometric and topological structure of collapsed/non-collapsed regions in Riemannian manifold under various curvature assumptions. Numerous applicat…

2007-01-25abs ↗pdf ↗

The paper connects three integer sequences to a knot polynomial.

problem Exploring the relationship between integer sequences and knot polynomials.
method Analyzing the polynomials generating the integer sequences and relating them to the bracket polynomial of a knot.
result The integer sequences A123192, A137396, and A300453 are shown to be connected to the bracket polynomial of the (2,n)-torus knot.

We give a quick tour through many of the classical results in the field of minimal submanifolds, starting at the definition. The field of minimal submanifolds remains extremely active and has very recently seen major developments that have solved many longstanding open problems and conjectures; for more on this, see th…

2005-11-18abs ↗pdf ↗

We give a precise and concise formulation of the orientifold construction in Type II superstring theory. Our results include anomaly cancellation on the worldsheet and a spacetime computation of the background Ramond-Ramond charge.

2009-06-03abs ↗pdf ↗

GRACE generates concise explanations for neural networks on tabular data.

problem Lack of explainable AI solutions for neural networks on tabular data.
method Borrowing ideas from causality and philosophy, GRACE generates contrastive samples to explain neural network predictions.
result GRACE explanations are more intuitive and lead to better decision-making.

We prove that the homotopy class of a Morin mapping f: P^p --> Q^q with p-q odd contains a cusp mapping. This affirmatively solves a strengthened version of the Chess conjecture [DS Chess, A note on the classes [S_1^k(f)], Proc. Symp. Pure Math., 40 (1983) 221-224] and [VI Arnol'd, VA Vasil'ev, VV Goryunov, OV Lyashenk…

2003-01-31abs ↗pdf ↗

A method for concise fuzzy system modeling using ESSC-SL-CTSK-FS.

problem Complex nonlinear systems with high-dimensional data and large numbers of rules.
method Integrating ESSC for antecedents and SL for consequent parameters optimization.
result Effective reduction in the number of fuzzy rules for clearer and more interpretable models.

We develop the theory of Berezin-Toeplitz operator on any compact symplectic prequantizable manifold from scratch. Our main inspiration is the Boutet de Monvel-Guillemin theory, that we simplify in several ways to obtain a concise exposition. A comparison with the spin-c Dirac quantization is also included.

2014-09-30abs ↗pdf ↗

In this survey, we describe the fundamental differential-geometric structures of information manifolds, state the fundamental theorem of information geometry, and illustrate some use cases of these information manifolds in information sciences. The exposition is self-contained by concisely introducing the necessary con…

2018-08-17abs ↗pdf ↗

After defining generalizations of the notions of covariant derivatives and geodesics from Riemannian geometry for reductive Cartan geometries in general, various results for reductive Cartan geometries analogous to important elementary results from Riemannian geometry are proven using these generalizations. In particul…

2016-07-06abs ↗pdf ↗

We generalise the hyper-Kahler/quaternionic Kahler (HK/QK) correspondence to include para-geometries, and present a new concise proof that the target manifold of the HK/QK correspondence is quaternionic Kahler. As an application, we construct one-parameter deformations of the temporal and Euclidean supergravity c-map m…

2016-01-19abs ↗pdf ↗

Defines a filtration on variational bicomplex for concise functional form conditions.

problem Expressing functional form vanishing conditions concisely.
method Introduces a filtration on the variational bicomplex and studies its properties.
result Graded components of the filtration inherit module structures, simplifying functional form conditions.

A theory linking invariants, Floer homologies, and Higgs bundles.

problem Understanding complex geometric structures and their invariants.
method Categorification and geometric Langlands correspondence.
result Established a new geometric Langlands correspondence.

GPflow is a Gaussian process library that uses TensorFlow for its core computations and Python for its front end. The distinguishing features of GPflow are that it uses variational inference as the primary approximation method, provides concise code through the use of automatic differentiation, has been engineered with…

2016-10-27abs ↗pdf ↗