Solving Steiner trees: Recent advances, challenges, and perspectives

I Ljubić - Networks, 2021 - Wiley Online Library
The Steiner tree problem (STP) in graphs is one of the most studied problems in
combinatorial optimization. Since its inception in 1970, numerous articles published in the …

[KİTAP][B] Kernelization: theory of parameterized preprocessing

FV Fomin, D Lokshtanov, S Saurabh, M Zehavi - 2019 - books.google.com
Preprocessing, or data reduction, is a standard technique for simplifying and speeding up
computation. Written by a team of experts in the field, this book introduces a rapidly …

Inversion-free geometric map** construction: A survey

XM Fu, JP Su, ZY Zhao, Q Fang, C Ye, L Liu - Computational Visual Media, 2021 - Springer
A geometric map** establishes a correspondence between two domains. Since no real
object has zero or negative volume, such a map** is required to be inversion-free …

Unsupervised learning for combinatorial optimization with principled objective relaxation

HP Wang, N Wu, H Yang, C Hao… - Advances in Neural …, 2022 - proceedings.neurips.cc
Using machine learning to solve combinatorial optimization (CO) problems is challenging,
especially when the data is unlabeled. This work proposes an unsupervised learning …

Online graph algorithms with predictions

Y Azar, D Panigrahi, N Touitou - Proceedings of the 2022 Annual ACM-SIAM …, 2022 - SIAM
Online algorithms with predictions is a popular and elegant framework for bypassing
pessimistic lower bounds in competitive analysis. In this model, online algorithms are …

A survey on approximation in parameterized complexity: Hardness and algorithms

AE Feldmann, E Lee, P Manurangsi - Algorithms, 2020 - mdpi.com
Parameterization and approximation are two popular ways of co** with NP-hard
problems. More recently, the two have also been combined to derive many interesting …

Local search for weighted tree augmentation and steiner tree

V Traub, R Zenklusen - Proceedings of the 2022 Annual ACM-SIAM …, 2022 - SIAM
We present a technique that allows for improving on some relative greedy procedures by
well-chosen (non-oblivious) local search algorithms. Relative greedy procedures are a …

Lossy kernelization

D Lokshtanov, F Panolan, MS Ramanujan… - Proceedings of the 49th …, 2017 - dl.acm.org
In this paper we propose a new framework for analyzing the performance of preprocessing
algorithms. Our framework builds on the notion of kernelization from parameterized …

Bridging the gap between tree and connectivity augmentation: unified and stronger approaches

F Cecchetto, V Traub, R Zenklusen - … of the 53rd Annual ACM SIGACT …, 2021 - dl.acm.org
We consider the Connectivity Augmentation Problem (CAP), a classical problem in the area
of Survivable Network Design. It is about increasing the edge-connectivity of a graph by one …

Reducing the CNOT count for Clifford+ T circuits on NISQ architectures

V Gheorghiu, J Huang, SM Li, M Mosca… - … on Computer-Aided …, 2022 - ieeexplore.ieee.org
While map** a quantum circuit to the physical layer one has to consider the numerous
constraints imposed by the underlying hardware architecture. Connectivity of the physical …