English
Related papers

Related papers: A note on the relation between Hartnell's firefigh…

200 papers

The dynamics of infectious diseases spread is crucial in determining their risk and offering ways to contain them. We study sequential vaccination of individuals in networks. In the original (deterministic) version of the Firefighter…

Systems and Control · Computer Science 2017-11-23 Guy Tennenholtz , Constantine Caramanis , Shie Mannor

In the classic version of the game of firefighter, on the first turn a fire breaks out on a vertex in a graph $G$ and then $k$ firefighters protect $k$ vertices. On each subsequent turn, the fire spreads to the collective unburnt…

Combinatorics · Mathematics 2024-08-01 Andrea Burgess , John Marcoux , David Pike

The severity of wildfires can be mitigated adopting preventive measures like the construction of firebreaks that are strips of land from which the vegetation is completely removed. In this paper, we model the problem of wildfire containment…

Discrete Mathematics · Computer Science 2022-04-13 Marc Demange , Alessia Di Fonso , Gabriele Di Stefano , Pierpaolo Vittorini

Suppose we have a network that is represented by a graph $G$. Potentially a fire (or other type of contagion) might erupt at some vertex of $G$. We are able to respond to this outbreak by establishing a firebreak at $k$ other vertices of…

The firefighter problem is a monotone dynamic process in graphs that can be viewed as modeling the use of a limited supply of vaccinations to stop the spread of an epidemic. In more detail, a fire spreads through a graph, from burning…

Discrete Mathematics · Computer Science 2013-01-03 Ohad N. Feldheim , Rani Hod

In the Firefighter problem, a fire breaks out at a vertex of a graph and at each subsequent time step, the firefighter chooses a vertex to protect and then the fire spreads from each burned vertex to every unprotected neighbour. The problem…

Combinatorics · Mathematics 2021-08-03 Margaret-Ellen Messinger , Spencer Yarnell

Consider a model of fire spreading through a graph; initially some vertices are burning, and at every given time-step fire spreads from burning vertices to their neighbours. The firefighter problem is a solitaire game in which a player is…

Discrete Mathematics · Computer Science 2021-05-11 Arye Deutch , Ohad Noy Feldheim , Rani Hod

In this paper, we consider the following \emph{$k$-many firefighter problem} on a finite graph $G=(V,E)$. Suppose that a fire breaks out at a given vertex $v \in V$. In each subsequent time unit, a firefighter protects $k$ vertices which…

Combinatorics · Mathematics 2014-06-12 Paweł Prałat

In a graph $G$, a fire starts at some vertex. At every time step, firefighters can protect up to $k$ vertices, and then the fire spreads to all unprotected neighbours. The $k$-surviving rate $\rho_k(G)$ of $G$ is the expectation of the…

Combinatorics · Mathematics 2013-05-17 Louis Esperet , Jan van den Heuvel , Frédéric Maffray , Félix Sipma

We use Hartnell's model for virus spread on a graph, also known as firefighting. For rooted trees, we propose an Unburning Algorithm, a type of greedy algorithm starting from the leaves and working back towards the root. We show that the…

Combinatorics · Mathematics 2024-09-24 Andrea Barnett , Robert Bond , Anthony Macias , Thomas W. Mattman , Bill Parnell , Ely Schoenfield

The Firefighter problem and a variant of it, known as Resource Minimization for Fire Containment (RMFC), are natural models for optimal inhibition of harmful spreading processes. Despite considerable progress on several fronts, the…

Data Structures and Algorithms · Computer Science 2016-03-15 David Adjiashvili , Andrea Baggio , Rico Zenklusen

We consider a deterministic discrete-time model of fire spread introduced by Hartnell [1995] and the problem of minimizing the number of burnt vertices when deploying a limited number of firefighters per timestep. We consider the process…

Combinatorics · Mathematics 2007-05-23 Mike Develin , Stephen G. Hartke

Graph burning is a natural discrete graph algorithm inspired by the spread of social contagion. Despite its simplicity, some open problems remain steadfastly unsolved, notably the burning number conjecture, which says that every connected…

Combinatorics · Mathematics 2024-09-04 Ta Sheng Tan , Wen Chean Teh

Unit disk graphs are the set of graphs which represent the intersection of disk graphs and interval graphs. These graphs are of great importance due to their structural similarity with wireless communication networks. Firefighter problem on…

Data Structures and Algorithms · Computer Science 2022-03-30 Diptendu Chatterjee , Rishiraj Bhattacharyya

Graph burning studies how fast a contagion, modeled as a set of fires, spreads in a graph. The burning process takes place in synchronous, discrete rounds. In each round, a fire breaks out at a vertex, and the fire spreads to all vertices…

Combinatorics · Mathematics 2019-11-05 Anthony Bonato , Sean English , Bill Kay , Daniel Moghbel

The spread of an infection, a contagion, meme, emotion, message and various other spreadable objects have been discussed in several works. Burning and firefighting have been discussed in particular on static graphs. Graph burning simulates…

Physics and Society · Physics 2023-11-17 Arya Tanmay Gupta

The concept of graph burning and burning number ($bn(G)$) of a graph G was introduced recently [1]. Graph burning models the spread of contagion (fire) in a graph in discrete time steps. $bn(G)$ is the minimum time needed to burn a graph…

Discrete Mathematics · Computer Science 2020-03-23 Zahra Rezai Farokh , Maryam Tahmasbi , Zahra Haj Rajab Ali Tehrani , Yousof Buali

The graph burning problem is an NP-hard combinatorial optimization problem that helps quantify the vulnerability of a graph to contagion. This paper introduces a simple farthest-first traversal-based approximation algorithm for this problem…

Graph burning is a model for the spread of social contagion. The burning number is a graph parameter associated with graph burning that measures the speed of the spread of contagion in a graph; the lower the burning number, the faster the…

Combinatorics · Mathematics 2015-11-24 Anthony Bonato , Jeannette Janssen , Elham Roshanbin

The burning number $b(G)$ of a graph $G$ is the minimum number of rounds required to burn all vertices when, at each discrete step, existing fires spread to neighboring vertices and one new fire may be ignited at an unburned vertex. This…

Combinatorics · Mathematics 2026-03-03 John Peca-Medlin