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Related papers: Token Sliding on Chordal Graphs

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Let $S$ be an independent set of a simple undirected graph $G$. Suppose that each vertex of $S$ has a token placed on it. The tokens are allowed to be moved, one at a time, by sliding along the edges of $G$, so that after each move, the…

Discrete Mathematics · Computer Science 2024-10-10 Mathew C. Francis , Veena Prabhakaran

In this article, we revisit the complexity of the reconfiguration of independent sets under the token sliding rule on chordal graphs. In the \textsc{Token Sliding-Connectivity} problem, the input is a graph $G$ and an integer $k$, and the…

Data Structures and Algorithms · Computer Science 2025-02-19 Rajat Adak , Saraswati Girish Nanoti , Prafullkumar Tale

Reconfiguration problems involve determining whether two given configurations can be transformed into each other under specific rules. The Token Sliding problem asks whether, given two different set of tokens on vertices of a graph $G$, we…

Data Structures and Algorithms · Computer Science 2026-03-26 Niranka Banerjee , Christian Engels , Duc A. Hoang

Given two independent sets $I, J$ of a graph $G$, and imagine that a token (coin) is placed at each vertex of $I$. The Sliding Token problem asks if one could transform $I$ to $J$ via a sequence of elementary steps, where each step requires…

Discrete Mathematics · Computer Science 2018-03-20 Duc A. Hoang , Ryuhei Uehara

In the Token Jumping problem we are given a graph $G = (V,E)$ and two independent sets $S$ and $T$ of $G$, each of size $k \geq 1$. The goal is to determine whether there exists a sequence of $k$-sized independent sets in $G$, $\langle S_0,…

Computational Complexity · Computer Science 2025-01-15 Valentin Bartier , Nicolas Bousquet , Clément Dallard , Kyle Lomer , Amer E. Mouawad

Suppose that we are given two independent sets $I_b$ and $I_r$ of a graph such that $|I_b|=|I_r|$, and imagine that a token is placed on each vertex in $I_b$. Then, the sliding token problem is to determine whether there exists a sequence…

We consider the complexity of the Independent Set Reconfiguration problem under the Token Sliding rule. In this problem we are given two independent sets of a graph and are asked if we can transform one to the other by repeatedly exchanging…

Data Structures and Algorithms · Computer Science 2019-01-29 Rémy Belmonte , Eun Jung Kim , Michael Lampis , Valia Mitsou , Yota Otachi , Florian Sikora

Given a graph $G$ and two independent sets of $G$, the independent set reconfiguration problem asks whether one independent set can be transformed into the other by moving a single vertex at a time, such that at each intermediate step we…

Discrete Mathematics · Computer Science 2024-02-06 Valentin Bartier , Nicolas Bousquet , Moritz Mühlenthaler

In the Token Sliding problem we are given a graph $G$ and two independent sets $I_s$ and $I_t$ in $G$ of size $k \geq 1$. The goal is to decide whether there exists a sequence $\langle I_1, I_2, \ldots, I_\ell \rangle$ of independent sets…

Computational Complexity · Computer Science 2022-05-03 Valentin Bartier , Nicolas Bousquet , Jihad Hanna , Amer E. Mouawad , Sebastian Siebertz

Suppose that we are given two independent sets I_b and I_r of a graph such that |I_b|=|I_r|, and imagine that a token is placed on each vertex in |I_b|. Then, the sliding token problem is to determine whether there exists a sequence of…

Data Structures and Algorithms · Computer Science 2015-11-03 Takeshi Yamada , Ryuhei Uehara

Given a graph $G$ and two independent sets $I_s$ and $I_t$ of size $k$, the independent set reconfiguration problem asks whether there exists a sequence of $k$-sized independent sets $I_s = I_0, I_1, I_2, \ldots, I_\ell = I_t$ such that…

Computational Complexity · Computer Science 2022-04-13 Valentin Bartier , Nicolas Bousquet , Amer E. Mouawad

Suppose that two independent sets $I$ and $J$ of a graph with $\vert I \vert = \vert J \vert$ are given, and a token is placed on each vertex in $I$. The Sliding Token problem is to determine whether there exists a sequence of independent…

Data Structures and Algorithms · Computer Science 2019-05-22 Duc A. Hoang , Amanj Khorramian , Ryuhei Uehara

\textsc{Directed Token Sliding} asks, given a directed graph and two sets of pairwise nonadjacent vertices, whether one can reach from one set to the other by repeatedly applying a local operation that exchanges a vertex in the current set…

Data Structures and Algorithms · Computer Science 2022-03-28 Takehiro Ito , Yuni Iwamasa , Yasuaki Kobayashi , Yu Nakahata , Yota Otachi , Masahiro Takahashi , Kunihiro Wasa

An independent set of a graph $G$ is a vertex subset $I$ such that there is no edge joining any two vertices in $I$. Imagine that a token is placed on each vertex of an independent set of $G$. The $\mathsf{TS}$- ($\mathsf{TS}_k$-)…

Combinatorics · Mathematics 2023-05-18 David Avis , Duc A. Hoang

Let $G$ be a planar graph and $I_s$ and $I_t$ be two independent sets in $G$, each of size $k$. We begin with a "token" on each vertex of $I_s$ and seek to move all tokens to $I_t$, by repeated "token jumping", removing a single token from…

Discrete Mathematics · Computer Science 2024-08-14 Daniel W. Cranston

Given a graph $G$ and two independent sets of same size, the Independent Set Reconfiguration Problem under token sliding ask whether one can, in a step by step manner, transform the first independent set into the second one. In each step we…

Discrete Mathematics · Computer Science 2025-05-01 Jona Dirks , Alexandre Vigny

We study reconfiguration of independent sets in interval graphs under the token sliding rule. We show that if two independent sets of size $k$ are reconfigurable in an $n$-vertex interval graph, then there is a reconfiguration sequence of…

Combinatorics · Mathematics 2021-05-10 Marcin Briański , Stefan Felsner , Jędrzej Hodor , Piotr Micek

Given two $k$-independent sets $I$ and $J$ of a graph $G$, one can ask if it is possible to transform the one into the other in such a way that, at any step, we replace one vertex of the current independent set by another while keeping the…

Computational Complexity · Computer Science 2017-06-30 Nicolas Bousquet , Arnaud Mary , Aline Parreau

The problem \textsc{Token Jumping} asks whether, given a graph $G$ and two independent sets of \emph{tokens} $I$ and $J$ of $G$, we can transform $I$ into $J$ by changing the position of a single token in each step and having an independent…

Data Structures and Algorithms · Computer Science 2026-02-13 Daniel W. Cranston , Moritz Mühlenthaler , Benjamin Peyrille

We continue the study of token sliding reconfiguration graphs of independent sets initiated by the authors in an earlier paper (arXiv:2203.16861). Two of the topics in that paper were to study which graphs $G$ are token sliding graphs and…

Combinatorics · Mathematics 2024-07-09 David Avis , Duc A. Hoang
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