3 papers
cs.CG2026
Shifting is Optimal under Gap-ETH: A Lower Bound Framework for Geometric Approximation Schemes
Manuel Cáceres, Sándor Kisfaludi-Bak, Saeed Odak
The shifting technique of Hochbaum and Maass [J.ACM'85] produces PTASes with the fastest known running times for several -dimensional geometric prob…
cs.DS2026
Maximum Coverage -Antichains and Chains: A Greedy Approach
Manuel Cáceres, Andreas Grigorjew, Wanchote Po Jiamjitrak +1
Given an acyclic digraph and a positive integer , the problem of Maximum Coverage -Antichains (resp. Chains) denoted as MA- (resp. MC-) asks to find set…
cs.DS2025
Practical colinear chaining on sequences revisited
Nicola Rizzo, Manuel Cáceres, Veli Mäkinen
Colinear chaining is a classical heuristic for sequence alignment and is widely used in modern practical aligners. Jain et al. (J. Comput. Biol. 2022) proposed an t…