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Daily edition · Algorithms

The daily ledger

TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

03 Sep 2026 edition

38 articles · 3 sources · 38 papers ·

Top topics: Algorithms · AI

Algorithms

The Price of Almost Navigability

arXiv:2609.02498v1 Announce Type: new Abstract: Navigability is a fundamental property of graph-based search structures and plays an important role in the analysis of nearest-neighbor algorithms. Informally, a graph is…

Source: arXiv cs.DS Tomer Waizer, Yoav Danieli
Algorithms

Compressed Inverse Suffix Arrays

arXiv:2607.17287v2 Announce Type: replace Abstract: The suffix array ($\SA$) and inverse suffix array ($\ISA$) are fundamental data structures in string algorithms. For a text $T[0 \dd n)$ over an alphabet $[0 \dd…

Source: arXiv cs.DS Sharma V. Thankachan
Algorithms

Forbidden Subgraphs of Graphs with Low Bandwidth

arXiv:2609.01949v1 Announce Type: new Abstract: A layout of a graph G is an injective function $f : V(G) \rightarrow Z$, and the bandwidth of a layout f is $bw(G,f) = max_{uv \in E(G)} |f(u) - f(v)|$. The bandwidth…

Source: arXiv cs.DS Maria Chudnovsky, Daniel Lokshtanov, Eran Nevo
Algorithms

The Minimum-Weight Mixed Dominating Set on Threshold Graphs

arXiv:2608.11057v2 Announce Type: replace Abstract: We study the minimum-weight mixed dominating set problem on threshold graphs. In this problem, vertices and edges have weights, and the goal is to find a mixed set of…

Source: arXiv cs.DS Emiliano Lancini, Oulin Yang
Algorithms

Hardness of Multi-Agent Path Finding on Trees: A Unified Approach

arXiv:2606.06686v2 Announce Type: replace-cross Abstract: This paper presents a simple framework that settles the complexity of Multi-Agent Path Finding (MAPF) on trees across standard objectives - distance, makespan,…

Source: arXiv cs.DS Tzvika Geft
Algorithms

Tight bounds on the number of non-equivalent parameterized squares in a word

arXiv:2408.04920v2 Announce Type: replace Abstract: Two words $x,y$ of the same length are said to be \emph{parameterized equivalent} if there exists a character bijection that transforms $x$ into $y$. A word $w$ is…

Source: arXiv cs.DS Rikuya Hamai, Kazushi Taketsugu, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Jakub Radoszewski
Algorithms

Near-Feasible Stable Matchings: Incentives and Optimality

arXiv:2602.10851v2 Announce Type: replace-cross Abstract: Stable matching is a fundamental area with many practical applications, such as centralised clearinghouses for school choice or job markets. Recent work has…

Source: arXiv cs.DS Frederik Glitzner
Algorithms

Almost Linear 3-Spanners of Temporal Cliques

arXiv:2609.02851v1 Announce Type: new Abstract: Temporal graphs model dynamic networks by assigning positive integer time labels to the edges, while information propagates along temporal paths, whose edge labels are…

Source: arXiv cs.DS Julia Baligacs, Davide Bil\`o, V\'aclav Bla\v{z}ej, Ma\"el Dumas, Anna Zych-Pawlewicz
Algorithms

The Exact Online Threshold for the Asymmetric Binary Perceptron

arXiv:2609.02124v1 Announce Type: new Abstract: Let $G\in\mathbb{R}^{M\times N}$ have independent standard Gaussian entries. For a fixed margin $\kappa\in\mathbb{R}$, the asymmetric binary perceptron asks for…

Source: arXiv cs.DS Sunghyeon Jo, Taekyun Lee
Algorithms

Unsolvability and Beyond in Many-To-Many Non-Bipartite Stable Matching

arXiv:2505.11456v3 Announce Type: replace Abstract: We study the Stable Fixtures problem, a many-to-many generalisation of the classical non-bipartite Stable Roommates matching problem. Building on the foundational work…

Source: arXiv cs.DS Frederik Glitzner, David Manlove
Algorithms

Scalable Neighborhood Local Search for Single-Machine Scheduling with Family Setup Times

arXiv:2409.00771v4 Announce Type: replace Abstract: In this work, we study the task of scheduling jobs on a single machine with sequence dependent family setup times under the goal of minimizing the makespan, that is,…

Source: arXiv cs.DS Kaja Balzereit, Niels Gr\"uttemeier, Nils Morawietz, Dennis Reinhardt, Stefan Windmann, Petra Wolf
Algorithms

A Minimax Perspective on Almost-Stable Matchings

arXiv:2601.14195v2 Announce Type: replace-cross Abstract: Stability is crucial in matching markets, yet in many real-world settings - from hospital residency allocations to roommate assignments - full stability is…

Source: arXiv cs.DS Frederik Glitzner, David Manlove
Algorithms

Albertson's Conjecture Holds for r at Most 26

arXiv:2609.01682v1 Announce Type: cross Abstract: Albertson conjectured that every graph with chromatic number r has crossing number at least cr(K_r). The conjecture was verified for r <= 12 by Albertson, Cranston and…

Source: arXiv cs.DM Ankan Sadhu
Algorithms

Logarithmic basis number of graphs

arXiv:2609.02080v1 Announce Type: cross Abstract: The basis number $\mathrm{bn}(G)$ of a graph $G$ is the minimum edge-congestion of a basis of its cycle space. We prove that every finite $n$-vertex multigraph satisfies…

Source: arXiv cs.DM Kolja Knauer

Showing 1 day · 38 items available