71 citations
- RMIT UniversityAU8 papers
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- Centre for Quantum Computation and Communication TechnologyAU1 paper
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12 papers
Approximation Algorithm for Constrained -Center Clustering: A Local Search Approach
Chaoqi Jia, Longkun Guo, Kewen Liao +3
Clustering is a long-standing research problem and a fundamental tool in AI and data analysis. The traditional k-center problem, a fundamental theoretical challenge in clustering,…
Instability of oxide perovskite surfaces induced by vacancy formation
Ned Thaddeus Taylor, Michael Thomas Morgan, Steven Paul Hepplestone
This work presents a first principles study of the (001) surface energetics of nine oxide perovskites, with a focus on the role of surface vacancies in determining termination stab…
Resource Constrained Pathfinding with Enhanced Bidirectional A* Search
Saman Ahmadi, Andrea Raith, Guido Tack +1
The classic Resource Constrained Shortest Path (RCSP) problem aims to find a cost optimal path between a pair of nodes in a network such that the resources used in the path are wit…
Nanoscale mapping of sub-gap electroluminescence from step-bunched, oxidized 4H-SiC surfaces
Natalia Alyabyeva, Jacques Ding, Mylène Sauty +7
Scanning tunneling luminescence microscopy (STLM) along with scanning tunneling spectroscopy (STS) is applied to a step-bunched, oxidized 4H-SiC surface prepared on the silicon fac…
Imaging current control of magnetization in FeGeTe with a widefield nitrogen-vacancy microscope
Islay O. Robertson, Cheng Tan, Sam C. Scholten +6
Van der Waals (vdW) magnets are appealing candidates for realising spintronic devices that exploit current control of magnetization (e.g. switching or domain wall motion), but so f…
Adapting to Reward Progressivity via Spectral Reinforcement Learning
Michael Dann, John Thangarajah
In this paper we consider reinforcement learning tasks with progressive rewards; that is, tasks where the rewards tend to increase in magnitude over time. We hypothesise that this…