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We present a new derivation of the distance-dependent two-point function for planar Eulerian triangulations and give expressions for more refined generating functions where we also control hull perimeters. These results are obtained in the…

组合数学 · 数学 2016-06-22 Emmanuel Guitter

We investigate a model of cell division in which the length of telomeres within the cell regulate their proliferative potential. At each cell division the ends of linear chromosomes change and a cell becomes senescent when one or more of…

细胞行为 · 定量生物学 2008-04-23 T. Antal , K. B. Blagoev , S. A. Trugman , S. Redner

High-statistics total cross sections for the vector meson photoproduction at the threshold: $\gamma p\to\omega p$ (from A2 at MAMI, ELPH, and CBELSA/TAPS), $\gamma p\to \phi p$ (from CLAS and LEPS), and $\gamma p\to J/\psi p$ (from GlueX)…

高能物理 - 唯象学 · 物理学 2025-08-12 Igor Strakovsky

Gravitational lensing deals with general-relativistic effects in the propagation of electromagnetic radiation. We consider wavelength-dependent contributions in case of a (micro)lensing of an extended Gaussian source by a point mass under…

星系天体物理 · 物理学 2012-11-07 V. I. Zhdanov , D. V. Gorpinchenko

We analyze electroproduction of light vector mesons (V=rho, phi and omega) at small Bjorken-x in the handbag approach in which the process factorizes into general parton distributions and partonic subprocesses. The latter are calculated in…

高能物理 - 唯象学 · 物理学 2025-01-22 S. V. Goloskokov , P. Kroll

The process of emission of electromagnetic radiation does not occur instantaneously but it is "formed" over a finite time known as radiation formation time. In the ultrarelativistic regime, the corresponding (longitudinal) formation length…

高能物理 - 唯象学 · 物理学 2021-01-27 A. Di Piazza

For $X$ a pre-$\lambda$ random variable, we show the $\sigma$-moment generating function of $-X$ can be obtained from the $\sigma$-moment generating function of $X$ by applying the composition of the standard and degree flip involutions on…

表示论 · 数学 2025-06-10 Sean Howe

The concept of splitting tessellations and splitting tessellation processes in spherical spaces of dimension $d\geq 2$ is introduced. Expectations, variances and covariances of spherical curvature measures induced by a splitting…

概率论 · 数学 2018-12-03 Daniel Hug , Christoph Thaele

Given a compact planar region $A$, let $\tau_A$ be the (random) time it takes for the Johnson-Mehl tessellation of $A$ to be complete, i.e. the time it takes for $A$ to be fully covered by a spatial birth-growth process in $A$ with seeds…

概率论 · 数学 2025-11-06 Mathew D. Penrose , Frankie Higgs

We introduce a class of continuous planar processes, called "semimartingales on rays", and develop for them a change-of-variable formula involving quite general classes of test functions. Special cases of such planar processes are…

概率论 · 数学 2017-04-18 Ioannis Karatzas , Minghan Yan

Based on an effective Lagrangian which combines chiral SU(3) dynamics with vector meson dominance, we have developed a model for the forward vector meson-nucleon scattering amplitudes. We use this as an input to calculate the low energy…

高能物理 - 唯象学 · 物理学 2007-05-23 F. Klingl , W. Weise

The behavior of spins undergoing Lamor precession in the presence of time varying fields is of interest to many research fields. The frequency shifts and relaxation resulting from these fields are related to their power spectrum and can be…

统计力学 · 物理学 2024-01-26 Thomas Rao , Robert Golub

We obtain a Gessel-type expansion in Jack polynomials for the expectations of multiplicative functionals in the circular $\beta$-ensemble. As a consequence, we establish a Szeg\H{o}-type limit theorem for all $H^{1/2}(\mathbb{T})$ functions…

概率论 · 数学 2026-04-14 Sergei M. Gorbunov

Known results on the moments of the distribution generated by the two-locus Wright-Fisher diffusion model and a duality between the diffusion process and the ancestral process with recombination are briefly summarized. A numerical methods…

种群与进化 · 定量生物学 2013-04-08 Shuhei Mano

We consider an age-size structured cell population model based on the cell cycle length. The model is described by a first order partial differential equation with initial-boundary conditions. Using the theory of semigroups of positive…

偏微分方程分析 · 数学 2022-06-15 Katarzyna Pichór , Ryszard Rudnicki

In a random model of minimum cost bipartite matching based on exponentially distributed edge costs, we show that the distribution of the cost of the optimal solution can be computed efficiently. The distribution is represented by its moment…

概率论 · 数学 2026-02-10 Johan Wästlund

First passage percolation with recovery is a process aimed at modeling the spread of epidemics. On a graph $G$ place a red particle at a reference vertex $o$ and colorless particles (seeds) at all other vertices. The red particle starts…

概率论 · 数学 2024-10-23 Elisabetta Candellero , Tom Garcia-Sanchez

This note describes a simple method to draw random points such that the cells of the corresponding Voronoi tesselation (approximately) satisfy a desired size distribution, for instance, follow a power law. The method is illustrated and…

数值分析 · 数学 2025-08-12 Georg Stadler , Gonzalo G. De Diego

The space subdivision in cells resulting from a process of random nucleation and growth is a subject of interest in many scientific fields. In this paper, we deduce the expected value and variance of these distributions while assuming that…

材料科学 · 物理学 2008-10-16 Jordi Farjas , Pere Roura

Gamma-ray bursts (GRBs) are usually classified into long/short categories according to their durations, but controversy still exists in this aspect. Here we re-examine the long/short classification of GRBs and further compare the…

高能天体物理现象 · 物理学 2024-12-02 Juan-Juan Luo , Liang Zhang , Li-Yun Zhang , Yong-Feng Huang , Jia-Quan Lin , Jun-Wang Lu , Xiao-Fei Dong