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A discrete version of the nonlinear collision-induced breakage equation is studied. Existence of solutions is investigated for a broad class of unbounded collision kernels and daughter distribution functions, the collision kernel $a_{i,j}$…

经典分析与常微分方程 · 数学 2023-01-26 Mashkoor Ali , Ankik Kumar Giri , Philippe Laurencot

Existence, non-existence, and uniqueness of mass-conserving weak solutions to the continuous collision-induced nonlinear fragmentation equations are established for the collision kernels $\Phi$ satisfying $\Phi(x_1,x_2)={x_1}^{\lambda_1}…

偏微分方程分析 · 数学 2024-01-22 Ankik Kumar Giri , Ram Gopal Jaiswal , Philippe Laurençot

Existence and uniqueness of weak solutions to the collision-induced breakage and coag-ulation equation are shown when coagulation is the dominant mechanism for small volumes. The collision kernel may feature a stronger singularity for small…

偏微分方程分析 · 数学 2021-10-06 Ankik Kumar Giri , Philippe Laurençot

In this work, we establish the existence of mass-conserving weak solutions to a nonlinear collision-induced breakage equation in which binary collisions may trigger particle breakup. The result is proved for a class of product-type…

偏微分方程分析 · 数学 2026-05-29 Mashkoor Ali

The discrete collisional breakage equation, which captures the dynamics of cluster growth when clusters encounter binary collisions with possible matter transfer, is discussed in this article. The existence of global mass-conserving…

经典分析与常微分方程 · 数学 2023-07-26 Mashkoor Ali , Ankik Kumar Giri , Philippe Laurençot

A mathematical model for the discrete nonlinear fragmentation (collision-induced breakage) equation with diffusion is studied. The existence of global weak solutions is established in arbitrary spatial dimensions without assuming a strictly…

偏微分方程分析 · 数学 2026-03-12 Saumyajit Das , Ram Gopal Jaiswal

In this article, we investigate the existence and uniqueness of weak solutions to the continuous coagulation equation with collisional breakage for a class of unbounded collision kernels and distribution function. The collision kernels and…

偏微分方程分析 · 数学 2018-06-12 Prasanta Kumar Barik , Ankik Kumar Giri

A mathematical model for the continuous nonlinear fragmentation equation is considered in the presence of mass transfer. In this paper, we demonstrate the existence of mass-conserving weak solutions to the nonlinear fragmentation equation…

偏微分方程分析 · 数学 2025-04-02 Ram Gopal Jaiswal , Ankik Kumar Giri

A global existence theorem on weak solutions is shown for the continuous coagulation equation with collisional breakage under certain classes of unbounded collision kernels and distribution functions. This model describes the dynamics of…

偏微分方程分析 · 数学 2018-05-28 Prasanta Kumar Barik , Ankik Kumar Giri

This article is devoted to the study of existence of a mass conserving global solution for the collision-induced nonlinear fragmentation model which arises in particulate processes, with the singular type of collision kernel. The above…

偏微分方程分析 · 数学 2022-01-27 Debdulal Ghosh , Jayanta Paul , Jitendra Kumar

In this article, the existence of mass-conserving solutions is investigated to the continuous coagulation and collisional breakage equation with singular coagulation kernels. Here, the probability distribution function attains singularity…

偏微分方程分析 · 数学 2019-11-04 Prasanta Kumar Barik , Ankik Kumar Giri , Rajesh Kumar

An existence result on weak solutions to the continuous coagulation equation with collision-induced multiple fragmentation is established for certain classes of unbounded coagulation, collision and breakup kernels. In this model, a pair of…

偏微分方程分析 · 数学 2018-02-27 Prasanta Kumar Barik , Ankik Kumar Giri

Existence of mass-conserving self-similar solutions to collision-induced breakage equation is shown for a specific class of homogeneous collision kernels and breakage functions. The proof mainly relies on a dynamical approach and…

偏微分方程分析 · 数学 2024-05-14 Ram Gopal Jaiswal , Ankik Kumar Giri

Global existence of mild solutions to the discrete collisional breakage equations is established for a broad class of collision kernels, without imposing any growth assumptions. In addition, classical solutions are constructed, and…

经典分析与常微分方程 · 数学 2025-07-10 Mashkoor Ali , Philippe Laurençot

Existence and uniqueness of mass-conserving classical solutions to the continuous coagulation equation with collisional breakage are investigated for an unbounded class of collision kernels and a particular case of the distribution…

偏微分方程分析 · 数学 2018-08-23 Prasanta Kumar Barik , Ankik Kumar Giri

The phenomenon of collisional breakage in particulate processes has garnered significant interest due to its wide-ranging applications in fields such as milling, astrophysics, and disk formation. This study investigates the analysis of the…

偏微分方程分析 · 数学 2024-12-04 Sanjiv Kumar Bariwal , Rajesh Kumar

In this article, the existence of global classical solutions to the discrete coagulation equations with collisional breakage is established for collisional kernel having linear growth whereas the uniqueness is shown under additional…

偏微分方程分析 · 数学 2022-08-16 Mashkoor Ali , Ankik Kumar Giri

The present paper deals with the existence and uniqueness of global classical solutions to the continuous coagulation and nonlinear multiple fragmentation equations for large classes of unbounded coagulation, collision and breakup kernels.…

偏微分方程分析 · 数学 2018-02-27 Prasanta Kumar Barik , Ankik Kumar Giri

Existence of mass-conserving weak solutions to the coagulation-fragmentation equation is established when the fragmentation mechanism produces an infinite number of fragments after splitting. The coagulation kernel is assumed to increase at…

偏微分方程分析 · 数学 2018-04-25 Philippe Laurençot

Collisional breakage in the particulate process has a lot of recent curiosity. We study the pure collisional breakage equation which is nonlinear in nature accompanied by locally bounded breakage kernel and collision kernel. The continuous…

数值分析 · 数学 2022-10-11 Sanjiv Kumar Bariwal , Ankik Kumar Giri , Rajesh Kumar
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