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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 driving primitives

ProMoD models human race drivers with probabilistic movement primitives and neural networks.

problem Challenging task of modeling human driver behavior due to variability and complexity.
method Modular framework with Probabilistic Movement Primitives, clothoids, and neural networks.
result Significant advantages in imitation accuracy and robustness compared to other algorithms.

End-to-end autonomous driving framework using guided auxiliary supervision.

problem Learning to drive in highly stochastic urban settings.
method Multi-task Learning from Demonstration (MT-LfD) framework with end-to-end trainable network and supervised auxiliary tasks.
result Joint learning and supervised guidance facilitate faster and better driving performance.

Mirzakhani's thesis counts geodesics on hyperbolic surfaces, finding a specific asymptotic formula.

problem Counting simple closed geodesics on hyperbolic surfaces.
method Inspired by lattice point counting, uses principles of homogeneous dynamics.
result The number of simple closed geodesics of length ≤ L is asymptotic to L^(6g-6) times a constant.

The twisted torus knots lie on the standard genus 2 Heegaard surface for S3S^3, as do the primitive/primitive and primitive/Seifert knots. It is known that primitive/primitive knots are fibered, and that not all primitive/Seifert knots are fibered. Since there is a wealth of primitive/Seifert knots that are twisted tor…

2011-11-07abs ↗pdf ↗

Disk surgery on primitive disks of genus-3 Heegaard splittings of 3-sphere yields no primitive disks.

problem Characterizing primitive disks in genus-3 Heegaard splittings of 3-sphere.
method Analyzing the effect of disk surgery on primitive disks in genus-3 Heegaard splittings of 3-sphere.
result Primitive disks in genus-3 Heegaard splittings of 3-sphere are not weakly closed under disk surgery.

For a genus two Heegaard splitting of a lens space, the primitive disk complex is defined to be the full subcomplex of the disk complex for one of the handlebodies of the splitting spanned by all vertices of primitive disks. In this work, we describe the complete combinatorial structure of the primitive disk complex fo…

2012-06-27abs ↗pdf ↗

We show that the exterior derivative operator on a symplectic manifold has a natural decomposition into two linear differential operators, analogous to the Dolbeault operators in complex geometry. These operators map primitive forms into primitive forms and therefore lead directly to the construction of primitive cohom…

2010-11-04abs ↗pdf ↗

Study primitive decompositions for harmonic forms on almost Kähler manifolds.

problem Decomposing harmonic forms on almost Kähler manifolds.
method Proved primitive decompositions for Bott-Chern and Aeppli harmonic forms in specific bidegrees.
result Optimal bidegrees for primitive decompositions of harmonic forms.

In this article, we prove that every arithmetic locally symmetric orbifold of classical type without Euclidean or compact factors has arbitrarily long arithmetic progressions in its primitive length spectrum. Moreover, we show the stronger property that every primitive length occurs in arbitrarily long arithmetic progr…

2016-02-04abs ↗pdf ↗

A twisted torus knot is a knot obtained from a torus knot by twisting adjacent strands by full twists. The twisted torus knots lie in FF, the genus 2 Heegaard surface for S3S^3. Primitive/primitive and primitive/Seifert knots lie in FF in a particular way. Dean gives sufficient conditions for the parameters of the tw…

2017-01-13abs ↗pdf ↗

A new reinforcement learning approach using competitive primitives that specialize and specialize based on information needs.

problem Complex environments require efficient and specialized decision-making.
method Decomposes policy into competitive primitives that decide based on information needs, regularized to use minimal information.
result Improves generalization over flat and hierarchical policies.

We call a pair (K, m) of a knot K in the 3-sphere S^3 and an integer m a Seifert fibered surgery if m-surgery on K yields a Seifert fiber space. For most known Seifert fibered surgeries (K, m), K can be embedded in a genus 2 Heegaard surface of S^3 in a primitive/Seifert position, the concept introduced by Dean as a na…

2011-10-17abs ↗pdf ↗

Two Riemannian manifolds are called eigenvalue equivalent when their sets of eigenvalues of the Laplace-Beltrami operator are equal (ignoring multiplicities). They are (primitive) length equivalent when the sets of lengths of their (primitive) closed geodesics are equal. We give a general construction of eigenvalue equ…

2006-06-14abs ↗pdf ↗

We show that closed 3-manifolds with high Heegaard distance and bounded subsurface Heegaard distance are primitive stable when they are regarded as representations from the free group corresponding to the handlebody. This implies that any point on the boundary of Schottky space can be approximated by primitive stable r…

2013-09-24abs ↗pdf ↗

In this article, we investigate when the set of primitive geodesic lengths on a Riemannian manifold have arbitrarily long arithmetic progressions. We prove that in the space of negatively curved metrics, a metric having such arithmetic progressions is quite rare. We introduce almost arithmetic progressions, a coarsific…

2014-01-29abs ↗pdf ↗

We introduce new boundary conditions for differential forms on symplectic manifolds with boundary. These boundary conditions, dependent on the symplectic structure, allows us to write down elliptic boundary value problems for both second-order and fourth-order symplectic Laplacians and establish Hodge theories for the …

2017-10-10abs ↗pdf ↗

Study symplectic structures on open 4-manifolds with distinct primitive cohomologies.

problem Identifying symplectic structures with non-isomorphic primitive cohomology.
method Analyze fibrations and compute monodromy explicitly for specific link complements.
result Symplectic structures on open 4-manifolds can have different primitive cohomology dimensions.

A transitive smooth action of a connected Lie group G on a manifold M is called almost primitive (resp. primitive) if G doesn't contain any proper subgroup (resp. any proper normal subgroup) whose induced action on M is transitive as well. The aim of the present work is to investigate some combinatory properties of sym…

2002-02-25abs ↗pdf ↗

We construct a sequence of primitive-stable representations of free groups into PSL(2,C) whose ranks go to infinity, but whose images are discrete with quotient manifolds that converge geometrically to a knot complement. In particular this implies that the rank and geometry of the image of a primitive-stable representa…

2010-09-30abs ↗pdf ↗

Paper adapts and learns movement primitives robustly with probabilistic models.

problem Learning and adapting movement primitives with variability and correlations.
method Prior distributions and general purpose operators for robust parameter estimation and adaptation.
result Robust learning and adaptation achieved with fewer training instances and task-specific heuristics.

For random elements in free groups, we find a rank and set of subgroups.

problem Understanding the structure of subgroups containing non-primitive elements in free groups.
method Analyzing the set of subgroups of a given rank containing a non-primitive element.
result For a subset of random elements, the primitivity rank is the group rank and the set of containing subgroups is the entire group.

We introduce new finite-dimensional cohomologies on symplectic manifolds. Each exhibits Lefschetz decomposition and contains a unique harmonic representative within each class. Associated with each cohomology is a primitive cohomology defined purely on the space of primitive forms. We identify the dual currents of lagr…

2009-09-29abs ↗pdf ↗

The goal of this paper is to offer a comprehensive exposition of the current knowledge about Heegaard splittings of exteriors of knots in the 3-sphere. The exposition is done with a historical perspective as to how ideas developed and by whom. Several new notions are introduced and some facts about them are proved. In …

2006-08-05abs ↗pdf ↗

Paper reduces movement primitive dimensionality in parameter space.

problem High dimensionality of movement primitives makes policy optimization expensive.
method Investigates dimensionality reduction in parameter space, identifying principal movements.
result Dimensionality reduction in parameter space is more effective than in configuration space.

Construct algorithms for Frobenius manifolds and residue pairings on Calabi-Yau varieties.

problem Construct algorithms for Frobenius manifolds and residue pairings on Calabi-Yau varieties.
method Analyze a dGBV algebra and introduce weak primitive forms.
result Explicit algorithms for Frobenius manifolds and residue pairings.

We study Veech groups of covering surfaces of primitive translation surfaces. Therefore we define congruence subgroups in Veech groups of primitive translation surfaces using their action on the homology with entries in Z/aZ\mathbb{Z}/a\mathbb{Z}. We introduce a congruence level definition and a property of a primitive t…

2014-03-19abs ↗pdf ↗

MARVIN offers an open ML environment for automated primitive annotation and execution.

problem Automated machine learning primitive annotation and execution.
method Web-based Python application with Docker containers on Kubernetes.
result Over 400 datasets and challenges from various ML domains.

Study on constant curvature immersions of surfaces into flag manifolds.

problem Investigate constant curvature immersions of Riemann surfaces into flag manifolds.
method Investigate pseudoholomorphic maps and invariant metrics on flag manifolds.
result Unitarily equivalent primitive immersions of the two-sphere into full flag manifolds have constant curvature under all invariant metrics.

We study primitive stable representations of free groups into higher rank semisimple Lie groups and their properties. Let ΣΣ be a compact, connected, orientable surface (possibly with boundary) of negative Euler characteristic. We first verify the σmodσ_{mod}-regularity for convex projective structures and positive repr…

2015-04-30abs ↗pdf ↗