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Indeterminate Forms and the Case of 0/0: Redefining Ratios, Limits, and Mathematical Paradoxes

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  Abstract   The mathematical abstraction of indeterminate forms, especially zero divided by zero (0/0), has always been a problem for pure mathematics and applied computational physics. This paper aims to review the theoretical and computational approaches that have been developed to address the 0/0 indeterminate form in algebraic terrain, in multivariable calculus and in complex quantum fields. We present a novel framework, the Analytical Ratio Resolution Framework (ARRF), for the combination of generalized limit techniques and the latest regularization techniques from theoretical physics. In a mathematically rigorous manner, we show how it is possible to resolve mathematical paradoxes and avoid the algorithmic exceptions in dynamical systems by assigning a well-defined limit value to 0/0. Finally, a systematic method of the limit evaluation for zero-division is formulated and implications of mechanized computational verification, fluid dynamics and quantum field modelli...

ENDOCRINOPATHY OR EARLY PUBERYNY: NUTRITIONAL AND CHEMICAL ASSESSMENT OF PACKAGED FOOD PRODUCTS IN CHILDREN

ENDOCRINOPATHY OR EARLY PUBERYNY: NUTRITIONAL AND CHEMICAL ASSESSMENT OF PACKAGED FOOD PRODUCTS IN CHILDREN Abstract The global rise in early puberty in children is an important public health problem, which needs a multi-disciplinary, toxicological, nutritional and computational study. Packaged foods are most common foods consumed by children in today's diet and are a double-edged sword as hyper palatable foods containing excess amounts of sugar and caloric density, and simultaneously containing a hidden vector of exposure to endocrine disrupting chemicals (EDCs) via the synthetic packaging materials. This multi-faceted issue is addressed by a novel, comprehensive method that couples the use of AI-based dietary assessments with quantitative structure activity relationships (QSAR) toxicological modelling and an efficient Bayesian ordinal quantile regression model to dissect complex developmental endpoints. The framework allows for high fidelity exposure information as the packag...

Why Negative Ollivier-Ricci Curvature is a Sicegnature of Malignancy: The Geometric Eviden.

  The Geometric Signatures of Malignancy: Why Negative Ollivier-Ricci Curvature Indicates Invasive Tumor Borders.   Abstract   The tumor microenvironment is a complex and heterogeneous system of interacting cells and for accurate characterization of its structure, advanced mathematical paradigms are needed. The emerging field of spatial omics enables molecular expression to be profiled in their natural geometric context and thus unravels complex biological tissue architectures. In this paper, the authors explore the theoretical and experimental explanation why negative Ollivier-Ricci curvature is a good mathematical predictor for invasive tumor borders. We show that the nature of the geometry of the graph reveals structural bottlenecks and boundaries between different microenvironmental domains intrinsically as negative curvature. Finally, we suggest a comprehensive methodological approach that combines discrete differential geometry and topological data analysi...

Topological Data Analysis and Geometric Graph Theory in Complex Networks

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Topological Data Analysis and Geometric Graph Theory in Complex Networks: From Social Dynamics to Spatial Omics. Abstract Complex networks have gone through a radical change from just a few graph-theoretic representations of networks that consider only pairs of nodes to advanced geometric and higher-order topological representations. This paper introduces a detailed methodological approach to build a bridge between the classical structural network analysis and contemporary spatial biological systems. We investigate the development of network modeling by the use of dynamic influence matrices, spectral geometry, and persistent homology, introducing a mathematical hierarchy. In conclusion, we show how a mathematical framework such as topological data analysis (TDA) and geometric graph theory are needed to unlock the architectural complexity of biological tissues, especially in the fast evolving field of spatial omics. Introduction Traditionally, complex networks have been thought ...

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