Charl J. Ras

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 24

Top Topics

Euclidean Plane

Top Venues

J. Optim. Theory Appl.

Publications

Marcus Brazil, Michael Hendriksen, Jae Lee, Michael S. Payne, Charl J. Ras, Doreen A. Thomas
An exact algorithm for the Euclidean k-Steiner tree problem. Comput. Geom. 121 (2024)
Nicolau Andrés-Thió, Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Network augmentation for disaster-resilience against geographically correlated failure. Networks 81 (4) (2023)
Alexander Westcott, Marcus Brazil, Charl J. Ras
Structural Properties of Minimum Multi-source Multi-Sink Steiner Networks in the Euclidean Plane. J. Optim. Theory Appl. 197 (3) (2023)
Nicolau Andrés-Thió, Marcus Brazil, Charl J. Ras, Doreen A. Thomas, Marcus Volz
An exact algorithm for constructing minimum Euclidean skeletons of polygons. J. Glob. Optim. 83 (1) (2022)
Marcus Volz, Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Simplifying obstacles for Steiner network problems in the plane. Networks 80 (1) (2022)
Charl J. Ras, Marcus Brazil, Doreen A. Thomas
plane. Theor. Comput. Sci. 850 (2021)
Marcus Volz, Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Computing skeletons for rectilinearly-convex obstacles in the rectilinear plane. CoRR (2020)
Charl J. Ras
Fixed parameter tractability of a biconnected bottleneck Steiner network problem. Networks 75 (3) (2020)
Michael S. Payne, Charl J. Ras, Marcus Volz
Overlaid oriented Voronoi diagrams and the 1-Steiner tree problem. CoRR (2020)
Patrick J. Andersen, Charl J. Ras
Degree bounded bottleneck spanning trees in three dimensions. J. Comb. Optim. 39 (2) (2020)
Marcus Volz, Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Computing Skeletons for Rectilinearly Convex Obstacles in the Rectilinear Plane. J. Optim. Theory Appl. 186 (1) (2020)
Marcus Brazil, Marcus Volz, Martin Zachariasen, Charl J. Ras, Doreen A. Thomas
New pruning rules for the Steiner tree problem and 2-connected Steiner network problem. Comput. Geom. 78 (2019)
Edward Barker, Charl J. Ras
Unsupervised Basis Function Adaptation for Reinforcement Learning. J. Mach. Learn. Res. 20 (2019)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas, G. Xu
plane. CoRR (2019)
Marcus Brazil, Marcus Volz, Martin Zachariasen, Charl J. Ras, Doreen A. Thomas
Computing minimum 2-edge-connected Steiner networks in the Euclidean plane. Networks 73 (1) (2019)
Patrick J. Andersen, Charl J. Ras
Algorithms for Euclidean Degree Bounded Spanning Tree Problems. Int. J. Comput. Geom. Appl. 29 (2) (2019)
Christina Burt, Alysson M. Costa, Charl J. Ras
Algorithms for the power-p Steiner tree problem in the Euclidean plane. RITA 25 (4) (2018)
Patrick J. Andersen, Charl J. Ras
Degree Bounded Bottleneck Spanning Trees in Three Dimensions. CoRR (2018)
Patrick J. Andersen, Charl J. Ras
Algorithms for Euclidean Degree Bounded Spanning Tree Problems. CoRR (2018)
Edward W. Barker, Charl J. Ras
Unsupervised Basis Function Adaptation for Reinforcement Learning. CoRR (2017)
Edward W. Barker, Charl J. Ras
Unsupervised Basis Function Adaptation for Reinforcement Learning. CoRR (2017)
Charl J. Ras, Konrad J. Swanepoel, Doreen Anne Thomas
Approximate Euclidean Steiner Trees. J. Optim. Theory Appl. 172 (3) (2017)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
planes. Discret. Appl. Math. 201 (2016)
Patrick J. Andersen, Charl J. Ras
Minimum bottleneck spanning trees with degree bounds. Networks 68 (4) (2016)
Charl J. Ras
Survivable minimum bottleneck networks. Comput. Geom. 50 (2015)
Marcus Brazil, Charl J. Ras, Konrad J. Swanepoel, Doreen A. Thomas
Generalised k-Steiner Tree Problems in Normed Planes. Algorithmica 71 (1) (2015)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
A geometric characterisation of the quadratic min-power centre. Eur. J. Oper. Res. 233 (1) (2014)
Marcus N. Brazil, Charl J. Ras, Doreen A. Thomas
A flow-dependent quadratic steiner tree problem in the Euclidean plane. Networks 64 (1) (2014)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Approximating Minimum Steiner Point Trees in Minkowski Planes. CoRR (2013)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Relay Augmentation for Lifetime Extension of Wireless Sensor Networks CoRR (2013)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Relay augmentation for lifetime extension of wireless sensor networks. IET Wirel. Sens. Syst. 3 (2) (2013)
M. G. Volz, Marcus Brazil, Charl J. Ras, Konrad J. Swanepoel, Doreen A. Thomas
The Gilbert arborescence problem. Networks 61 (3) (2013)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
The bottleneck 2-connected k-Steiner network problem for k≤2. Discret. Appl. Math. 160 (7-8) (2012)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Exact algorithm for the bottleneck 2-connected $k$-Steiner network problem CoRR (2011)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
A Flow-dependent Quadratic Steiner Tree Problem in the Euclidean Plane CoRR (2011)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
The bottleneck 2-connected $k$-Steiner network problem for $k\leq 2$ CoRR (2011)
Marcus Brazil, Charl J. Ras, Konrad J. Swanepoel, Doreen A. Thomas
Generalised k-Steiner Tree Problems in Normed Planes CoRR (2011)
Deborah King, Charl J. Ras, Sanming Zhou
The L(h, 1, 1)-labelling problem for trees. Eur. J. Comb. 31 (5) (2010)
Marcus Brazil, Charl J. Ras, Doreen A. Thomas
Approximating minimum Steiner point trees in Minkowski planes. Networks 56 (4) (2010)
Elizabeth Jonck, Johannes H. Hattingh, Charl J. Ras
-minimal trees and other attainable classes. Discret. Math. 309 (8) (2009)
Johannes H. Hattingh, Elizabeth Jonck, Charl J. Ras
A class of full (d, 1)-colorable trees. Australas. J Comb. 45 (2009)