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HLXiON δ Ω Intent Σ Logic Ψ Synth Π Reason Γ Memory Processing: math.CO
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The search results for "math.CO" (combinatorics) include a variety of topics, such as decision-making models incorporating fuzzy logic with $q$-rung orthopair fuzzy sets, and the exploration of stochastic processes and quantum Monte Carlo methods. Additionally, there are discussions on probabilistic filtrations and stopping times, as well as comments on flat bands in materials science. Despite the diversity, these topics demonstrate applications of combinatorial methods in decision-making, probability, and quantum simulations.
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semanticscholar.org
Multiple-Attribute Decision-Making Based on Archimedean Bonferroni Operators of q-Rung Orthopair Fuzzy Numbers

The theory of <inline-formula><tex-math notation="LaTeX">$q$</tex-math></inline-formula>-rung orthopair fuzzy sets (<inline-formula><tex-math notation="LaTeX">$q$</tex-math></inline-formula>-ROFSs) proposed by Yager effectively describes fuzzy information in the real world. Because <inline-formula><…

arxiv.org
Invariance times

On a probability space $(Ω,\mathcal{A},\mathbb{Q})$ we consider two filtrations $\mathbb{F}\subset \mathbb{G}$ and a $\mathbb{G}$ stopping time $θ$ such that the $\mathbb{G}$ predictable processes coincide with $\mathbb{F}$ predictable processes on $(0,θ]$. In this setup it is well-known that, f…

q-fin.CP q-fin.PR
arxiv.org
Stochastic Resolution-of-the-Identity Auxiliary-Field Quantum Monte Carlo: Scaling Reduction without Overhead

We explore the use of the stochastic resolution-of-the-identity (sRI) with the phaseless auxiliary-field quantum Monte Carlo (ph-AFQMC) method. sRI is combined with four existing local energy evaluation strategies in ph-AFQMC, namely (1) the half-rotated electron repulsion integral tensor (HR), (2) …

physics.chem-ph cond-mat.str-el physics.comp-ph
semanticscholar.org
Comment on"Origin of correlated isolated flat bands in copper-substituted lead phosphate apatite"

In this comment on"Origin of correlated isolated flat bands in copper-substituted lead phosphate apatite"(arXiv:2307.16892 [cond-mat.supr-con]), we discuss the flat half-occupied two-band manifold that appears in $\mathrm{Pb}_9\mathrm{Cu}(\mathrm{PO}_4)_6(\mathrm{OH})_2$ when using a semilocal DFT f…

arxiv.org
Integral representation of martingales motivated by the problem of endogenous completeness in financial economics

Let $\mathbb{Q}$ and $\mathbb{P}$ be equivalent probability measures and let $ψ$ be a $J$-dimensional vector of random variables such that $\frac{d\mathbb{Q}}{d\mathbb{P}}$ and $ψ$ are defined in terms of a weak solution $X$ to a $d$-dimensional stochastic differential equation. Motivated by the p…

math.PR math.AP q-fin.GN
arxiv.org
Erratum: Pseudo-Hermiticity for a class of nondiagonalizable Hamiltonians [J. Math. Phys. 43, 6343 (2002); math-ph/0207009]

An error in the paper [J. Math. Phys. 43, 6343 (2002); math-ph/0207009] is corrected. Further explanation is given.…

math-ph
arxiv.org
Mathematical modelling of drug delivery from pH-responsive nanocontainers

Drug delivery systems represent a promising strategy to treat cancer and to overcome the side effects of chemotherapy. In particular, polymeric nanocontainers have attracted major interest because of their structural and morphological advantages and the variety of polymers that can be used, allowing…

physics.med-ph physics.bio-ph
arxiv.org
Robust asymptotic insurance-finance arbitrage

In most cases, insurance contracts are linked to the financial markets, such as through interest rates or equity-linked insurance products. To motivate an evaluation rule in these hybrid markets, Artzner et al. (2022) introduced the notion of insurance-finance arbitrage. In this paper we extend thei…

q-fin.MF
arxiv.org
Statistical mechanics of neocortical interactions: large-scale EEG influences on molecular processes

Recent calculations further supports the premise that large-scale synchronous firings of neurons may affect molecular processes. The context is scalp electroencephalography (EEG) during short-term memory (STM) tasks. The mechanism considered is $\mathbfΠ = \mathbf{p} + q \mathbf{A}$ (SI units) coup…

q-bio.NC physics.bio-ph
arxiv.org
Kullback-Leibler cluster entropy to quantify volatility correlation and risk diversity

The Kullback-Leibler cluster entropy $\mathcal{D_{C}}[P \| Q] $ is evaluated for the empirical and model probability distributions $P$ and $Q$ of the clusters formed in the realized volatility time series of five assets (SP\&500, NASDAQ, DJIA, DAX, FTSEMIB). The Kullback-Leibler functional $\mathcal…

q-fin.ST physics.data-an q-fin.PM