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114 results
arxiv.org πŸ“… 2016 πŸ“° arXiv πŸ“„ PDF
Non-Identifiable Pedigrees and a Bayesian Solution
πŸ‘€ B. Kirkpatrick

Some methods aim to correct or test for relationships or to reconstruct the pedigree, or family tree. We show that these methods cannot resolve ties for correct relationships due to identifiability of the pedigree likelihood which is the probability of inheriting the data under the pedigree model. This means that no li…

q-bio.QM q-bio.PE
arxiv.org πŸ“… 2006 πŸ“° arXiv πŸ“„ PDF
Comment on "Stronger subadditivity of entropy" by Lieb and Seiringer math-ph/0412009
πŸ‘€ Mary Beth Ruskai

We show how recent results of Lieb and Seiringer [math-ph/0412009; Phys. Rev. A 71, 062329 (2005)] can be obtained from repeated use of the monotonicity of relative entropy under partial traces, and explain how to use their approach to obtain tighter bounds in many situations.…

math-ph quant-ph
arxiv.org πŸ“… 2003 πŸ“° arXiv πŸ“„ PDF
Topology and Phase Transitions: Theorem on a necessary relation
πŸ‘€ Roberto Franzosi; Marco Pettini; Lionel Spinelli

An emended and improved version of the present paper has been archived in math-ph/0505057, and a preliminary account of its content has been published in Phys.Rev.Lett. 92, 60601, (2004). Moreover, in order to prove the relevance of topology for phase transition phenomena in a broad domain of physically interesting cas…

math-ph cond-mat.stat-mech hep-th math.DG math.GT
arxiv.org πŸ“… 2025 πŸ“° arXiv πŸ“„ PDF
Solving dynamic portfolio selection problems via score-based diffusion models
πŸ‘€ Ahmad Aghapour; Erhan Bayraktar; Fengyi Yuan

In this paper, we tackle the dynamic mean-variance portfolio selection problem in a {\it model-free} manner, based on (generative) diffusion models. We propose using data sampled from the real model $\mathbb P$ (which is unknown) with limited size to train a generative model $\mathbb Q$ (from which we can easily and ad…

q-fin.PM stat.ML
arxiv.org πŸ“… 2004 πŸ“° arXiv πŸ“„ PDF
Mathematical knowledge management is needed
πŸ‘€ Michiel Hazewinkel

In this lecture I discuss some aspects of MKM, Mathematical Knowledge Management, with particuar emphasis on information storage and information retrieval.…

cs.IR
arxiv.org πŸ“… 2022 πŸ“° arXiv πŸ“„ PDF
Comment on "Noether's-type theorems on time scales" [J. Math. Phys. 61, 113502 (2020)]
πŸ‘€ Delfim F. M. Torres

We comment on the validity of Noether's theorem and on the conclusions of [J. Math. Phys. 61 (2020), no. 11, 113502].…

math.OC math-ph
DOI: 10.1063/5.0108477
arxiv.org πŸ“… 2010 πŸ“° arXiv πŸ“„ PDF
A General Mathematical Framework Suitable for Studying Signaling Cascades
πŸ‘€ Elisenda Feliu; Lars N. Andersen; Michael Knudsen; Carsten Wiuf

We define a general mathematical framework for studying post-translational modification processes under the assumption of mass action kinetics.…

q-bio.QM q-bio.MN
arxiv.org πŸ“… 2015 πŸ“° arXiv πŸ“„ PDF
A Mathematical Model for the Genetic Code(s) Based on Fibonacci Numbers and their q-Analogues
πŸ‘€ Tidjani Negadi

This work aims at showing the relevance and the applications possibilities of the Fibonacci sequence, and also its q-deformed or quantum extension, in the study of the genetic code(s). First, after the presentation of a new formula, an indexed double Fibonacci sequence, comprising the first six Fibonacci numbers, is sh…

q-bio.OT
arxiv.org πŸ“… 2000 πŸ“° arXiv πŸ“„ PDF
Addendum: Level Spacings for Integrable Quantum Maps in Genus Zero
πŸ‘€ Steve Zelditch

In this addendum we strengthen the results of math-ph/0002010 in the case of polynomial phases. We prove that Cesaro means of the pair correlation functions of certain integrable quantum maps on the 2-sphere at level N tend almost always to the Poisson (uniform limit). The quantum maps are exponentials of Hamiltonians …

math-ph math.SP
DOI: 10.1007/s002200050423
arxiv.org πŸ“… 2013 πŸ“° arXiv πŸ“„ PDF
Mathematical Model of a pH-gradient Creation at Isoelectrofocusing
πŸ‘€ L. V. Sakharova; E. V. Shiryaeva; M. Yu. Zhukov

The mathematical model describing the stationary natural pH-gradient arising under the action of an electric field in an aqueous solution of ampholytes (amino acids) is constructed and investigated. The model is a part of a more general model of the isoelectrofocusing process. Investigation is based on the approximatio…

physics.chem-ph math.NA
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