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The application of single-cell molecular profiling coupled with spatial technologies has enabled charting cellular heterogeneity in reference tissues and in disease. This new wave of molecular data has highlighted the expected diversity of…

Tissues and Organs · Quantitative Biology 2024-03-12 Ricardo Omar Ramirez Flores , Philipp Sven Lars Schäfer , Leonie Küchenhoff , Julio Saez-Rodriguez

Medical image segmentation requires not only accuracy but also robustness under challenging imaging conditions. In this study, we show that a carefully configured DeepLabv3 model can achieve high performance in segmenting induced…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Maoquan Zhang , Bisser Raytchev , Xiujuan Sun

We introduce a novel method for overlaying cell type proportion data onto tissue images. This approach preserves spatial context while avoiding visual clutter or excessively obscuring the underlying slide. Our proposed technique involves…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Lee Mason , Jonas Almeida

In this paper we study dual bases functions in subspaces. These are bases which are dual to functionals on larger linear space. Our goal is construct and derive properties of certain bases obtained from the construction, with primary focus…

Numerical Analysis · Mathematics 2017-04-28 Scott N. Kersey

We study iterations of two classical constructions, the evolutes and involutes of plane curves, and we describe the limiting behavior of both constructions on a class of smooth curves with singularities given by their support functions.…

Dynamical Systems · Mathematics 2016-09-06 M. Arnold , D. Fuchs , I. Izmestiev , S. Tabachnikov , E. Tsukerman

We define and investigate $\alpha$-modulation spaces $M_{p,q}^{s,\alpha}(G)$ associated to a step two stratified Lie group $G$ with rational structure constants. This is an extension of the Euclidean $\alpha$-modulation spaces…

Functional Analysis · Mathematics 2019-08-27 Eirik Berge

This study aims at finding a method for constructing molecular dynamics like models using the formalism of cellular automata for fast simulation of fluid dynamic systems (including compressible phenomena). In as much as the results…

comp-gas · Physics 2009-09-25 Himanshu Agrawal

The space of constructible functions form a dense subspace of the space of generalized valuations. In this note we prove a somewhat stronger property that the sequential closure, taken sufficiently many (in fact, infinitely many) times, of…

Metric Geometry · Mathematics 2015-06-16 Semyon Alesker

Spatial transcriptomics methods capture cellular measurements such as gene expression and cell types at specific locations in a cell, helping provide a localized picture of tissue health. Traditional visualization techniques superimpose the…

Quantitative Methods · Quantitative Biology 2024-10-16 Siyuan Zhao , G. Elisabeta Marai

A fundamental step towards studying string theory vacua, and, ultimately, their stability, is that of understanding the underlying mathematical structure of the QFT resulting from its dimensional reduction on Calabi-Yau (CY) manifolds, the…

High Energy Physics - Theory · Physics 2024-07-11 Veronica Pasquarella

The purpose of this paper is twofold. Firstly, the new matrix domains are constructed with the new infinite matrices and some properties are investigated. Furthermore, dual spaces of new matrix domains are computed and matrix…

Functional Analysis · Mathematics 2016-11-29 Murat Kirisci

In this paper, we consider the simplest class of stratified spaces -- linearly embedded graphs. We present an algorithm that learns the abstract structure of an embedded graph and models the specific embedding from a point cloud sampled…

Algebraic Topology · Mathematics 2023-05-05 Yossi Bokor , Katharine Turner , Christopher Williams

Many moduli spaces are constructed as quotients of group actions; this paper surveys the classical theory, as well as recent progress and applications. We review geometric invariant theory for reductive groups and how it is used to…

Algebraic Geometry · Mathematics 2023-03-01 Victoria Hoskins

In this essay I aim to investigate and discuss the process through which bundles of things "self-organize" into other things. In particular, I engage in such investigation by trying to apply a framework of analysis of structural stability…

Adaptation and Self-Organizing Systems · Physics 2022-05-03 Igor Strozzi

Directed Algebraic Topology studies spaces equipped with a form of direction, to include models of non-reversible processes. In the present extension we also want to cover critical processes, indecomposable and unstoppable. The previous…

Algebraic Topology · Mathematics 2024-09-06 Marco Grandis

We study the link between a compact hypersurface in $\P^{n+1}$ and the set of all its tangent planes. In this context, we identify $\P^{n+1}$ to the set of linear subspaces of codimension one by orthogonal complementarity. This gives rise…

dg-ga · Mathematics 2008-02-03 Francois Pointet

For the multiple differential algebra of iterated differential forms (see math.DG/0605113 and math.DG/0609287) on a diffiety (O,C) an analogue of C-spectral sequence is constructed. The first term of it is naturally interpreted as the…

Differential Geometry · Mathematics 2010-05-05 A. M. Vinogradov , L. Vitagliano

Continuing earlier investigations, we analyze the convergence of operator splitting procedures combined with spatial discretization and rational approximations.

Functional Analysis · Mathematics 2011-03-03 András Bátkai , Petra Csomós , Bálint Farkas , Gregor Nickel

We study the topological structure of the quotient of $SU(3)\times SU(3)$ by diagonal conjugation. This is the simplest nontrivial example for the classical reduced configuration space of chromodynamics on a spatial lattice in the…

High Energy Physics - Theory · Physics 2008-11-26 S. Charzyński , G. Rudolph , M. Schmidt

New invariants for 2-dimensional cell complexes are defined, which can be interpreted as curvature bounds. These invariants are proved to be rational and computable in a companion article. This document is a survey that collects theorems…

Group Theory · Mathematics 2024-05-16 Henry Wilton