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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.

168,695 papers · 148 categories

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0111 · Jul 202319922001200920172026
2 results for “p-system”
Concentration inequalities for high-dimensional linear processes with dependent innovationsmath.ST

Develops inequalities for high-dimensional linear processes with dependent innovations.

problem Estimating high-dimensional VAR(p) systems and HAC covariance estimation.
method Concentration inequalities for l∞l_\infty norm of vector linear processes with sub-Weibull, mixingale innovations.
result Obtained concentration bounds for the maximum entrywise norm of lag-hh autocovariance matrices.
concentration inequalitieshigh-dimensional linear processesdependent innovationsVAR(p) systemsHAC covariance estimation
2023-07-23abs ↗pdf ↗
Generic Structural Stability for 2×22 \times 2 Systems of Hyperbolic Conservation Lawsmath.AP

Paper proves stability of solutions for specific hyperbolic systems.

problem Stability of solutions to 2imes22 imes 2 hyperbolic conservation laws.
method Proof of generic structural stability using differential topology.
result Riemann solutions are preserved under perturbations of flux, left, and right states.
hyperbolic conservation lawsstructural stabilityRiemann solutionsdifferential topologyp-system
2025-02-13abs ↗pdf ↗