COMPLEX NETWORKS: DYNAMICS, OPTIMIZATION AND CONTROL. Complex networks such large power grids, the Internet, transportation networks and co-operation networks of all kinds provide challenges for frontier technologies particularly computing, communication and control. In particular, advanced societies have become dependent on large infrastructure networks to an extent beyond our capability to plan and control them. The recent spate of collapses in power grids and virus attacks on the Internet i ....COMPLEX NETWORKS: DYNAMICS, OPTIMIZATION AND CONTROL. Complex networks such large power grids, the Internet, transportation networks and co-operation networks of all kinds provide challenges for frontier technologies particularly computing, communication and control. In particular, advanced societies have become dependent on large infrastructure networks to an extent beyond our capability to plan and control them. The recent spate of collapses in power grids and virus attacks on the Internet illustrate the need for research on modelling, analysis of behaviour, planning and control in such networks. This project aims to establish research in this area for Australia's benefit.Read moreRead less
Optimism, Pessimism and Confidence - Their economic impacts. When modelling uncertainty, economists typically assume people utilise well-behaved and precise probabilities. As most people have only the vaguest conception of chances of terrorist acts, of contracting SARS, or of extreme market volatility, this limits usefulness of the standard model in predicting or guiding choice. This project aims to incorporate a richer set of attitudes about uncertainty into economic theory, including impreci ....Optimism, Pessimism and Confidence - Their economic impacts. When modelling uncertainty, economists typically assume people utilise well-behaved and precise probabilities. As most people have only the vaguest conception of chances of terrorist acts, of contracting SARS, or of extreme market volatility, this limits usefulness of the standard model in predicting or guiding choice. This project aims to incorporate a richer set of attitudes about uncertainty into economic theory, including imprecise estimates of chance, optimistic (or pessimistic) bias, and relative confidence. This will enable more rigorous analysis of topics like irrational exuberance (panic), consumer stampedes, and (in)tolerance of risk, thereby improving the measurement of benefits and costs of related actions or policies.Read moreRead less
Nonlinear Photonics and All-Optical Technologies. Information is playing an increasing role in the modern society. The future progress in the information data processing is associated with a new generation of compact nanoscale optical devices operating entirely with light. The research programme aims to develop innovative concepts of all-optical communication and information technologies and to carry out both theoretical and experimental studies on the photonic-crystal physics and engineering, o ....Nonlinear Photonics and All-Optical Technologies. Information is playing an increasing role in the modern society. The future progress in the information data processing is associated with a new generation of compact nanoscale optical devices operating entirely with light. The research programme aims to develop innovative concepts of all-optical communication and information technologies and to carry out both theoretical and experimental studies on the photonic-crystal physics and engineering, optical solitons, and nanoscale nonlinear switching devices in order to promote the new field of photonic crystals, to enhance its development in Australia and provide linkages between leading edge R & D and industry in an important emerging technology.Read moreRead less
All-optical technologies, nanophotonics, and metamaterials. This program will support a world-leading team in nanophotonics and metamaterials. It will introduce and demonstrate novel concepts for manipulating optical pulses in specially designed nanoscale structures, making an essential step towards the creation of all-optical devices which perform fast switching and processing of optical signals. These developments will underpin the next generation of high-performance networks promising to revo ....All-optical technologies, nanophotonics, and metamaterials. This program will support a world-leading team in nanophotonics and metamaterials. It will introduce and demonstrate novel concepts for manipulating optical pulses in specially designed nanoscale structures, making an essential step towards the creation of all-optical devices which perform fast switching and processing of optical signals. These developments will underpin the next generation of high-performance networks promising to revolutionize global communications. This research program will keep Australia at the forefront of international research and provide training for students in breakthrough applications of photonics and nanotechnology, contributing to the uptake of frontier technologies by Australian industries.Read moreRead less
Restorative Justice and Responsive Governance: Fresh Challenges, New Theory, Global Networks. War causes not only human suffering; it threatens the health and education of children and children's children. It sets back economies, encourages transnational crime through trafficking drugs, people, money laundering, guns and terror across our region in ways that directly affect Australians. This research will provide fresh insights from the successes and failures of peacebuilding in the Pacific and ....Restorative Justice and Responsive Governance: Fresh Challenges, New Theory, Global Networks. War causes not only human suffering; it threatens the health and education of children and children's children. It sets back economies, encourages transnational crime through trafficking drugs, people, money laundering, guns and terror across our region in ways that directly affect Australians. This research will provide fresh insights from the successes and failures of peacebuilding in the Pacific and Asia. The effectiveness of new restorative and responsive strategies for improving the performance of our health system, strengthening the knowledge economy, improving competition and preventing crime will be tested and developed. Australia will grow as the dominant locus of research on restorative and responsive strategies that work.Read moreRead less
Conformal Differential Geometry. Differential geometry is a major branch of mathematics studying shape by using calculus and differential equations. This is a fundamental research project in this area, especially concerned with the interaction between geometry, differential equations, and symmetry. The mathematical notion of symmetry was already formalised early last century and nowadays lies at the very heart of mathematics and physics. Advances in this area provide essential tools in basic sci ....Conformal Differential Geometry. Differential geometry is a major branch of mathematics studying shape by using calculus and differential equations. This is a fundamental research project in this area, especially concerned with the interaction between geometry, differential equations, and symmetry. The mathematical notion of symmetry was already formalised early last century and nowadays lies at the very heart of mathematics and physics. Advances in this area provide essential tools in basic science and unexpected technological benefits can easily arise (for example, in medical imaging). Fundamental mathematical research is absolutely necessary if Australia is to maintain a presence on the international scientific stage.Read moreRead less
Precision Pulsar Timing and its Applications. The rapidly rotating pulsars known as millisecond pulsars have period stabilities which rival that of the best terrestrial clocks. Observations of many millisecond pulsars spread across the sky should allow detection of the gravitational-wave background - likely to be the first direct detection of gravity waves. It will also enable establishment of a long-term time standard which is independent of and probably superior to that derived from terrestria ....Precision Pulsar Timing and its Applications. The rapidly rotating pulsars known as millisecond pulsars have period stabilities which rival that of the best terrestrial clocks. Observations of many millisecond pulsars spread across the sky should allow detection of the gravitational-wave background - likely to be the first direct detection of gravity waves. It will also enable establishment of a long-term time standard which is independent of and probably superior to that derived from terrestrial clocks. New analysis techniques and establishment of an international observing network will be required. Investigation and application of techniques for overcoming radio interference will be an important part of the project.Read moreRead less
Exploring the Frontiers of Feasible Computation. The project aims to delineate the boundary between feasible and infeasible computational problems. A problem is considered feasible if there is an algorithm to solve it in worst-case time bounded by a polynomial in the input size. This is probably impossible for the important class of NP-complete problems. However, typical examples of NP-complete problems can often be solved in polynomial time, because worst-case problems are rare. The project is ....Exploring the Frontiers of Feasible Computation. The project aims to delineate the boundary between feasible and infeasible computational problems. A problem is considered feasible if there is an algorithm to solve it in worst-case time bounded by a polynomial in the input size. This is probably impossible for the important class of NP-complete problems. However, typical examples of NP-complete problems can often be solved in polynomial time, because worst-case problems are rare. The project is relevant to public-key cryptography, where breaking an encryption scheme should be infeasible, and to many real-life situations where NP-complete problems need to be solved, either exactly or approximately.Read moreRead less
Deliberative Global Governance. The worldwide movement building deliberative democracy should now address deliberative capacity in whole systems, not just micro innovations such as citizens' juries. This includes global systems such as that addressing climate change; substantial environmental benefits will result. A world populated by more effective democracies - especially in East Asia - is in Australia's national security interest. A century ago, Australia was a world leader in innovations suc ....Deliberative Global Governance. The worldwide movement building deliberative democracy should now address deliberative capacity in whole systems, not just micro innovations such as citizens' juries. This includes global systems such as that addressing climate change; substantial environmental benefits will result. A world populated by more effective democracies - especially in East Asia - is in Australia's national security interest. A century ago, Australia was a world leader in innovations such as the secret ballot and votes for women. Work on deliberative democracy can put Australia back in the forefront of democratic progress, with many associated social, political, and economic benefits.Read moreRead less
Self-assembly and complexity: networks and patterns from materials to markets. Self-assembly leads the formation of patterns without external directing agents. It is responsible for the growth of complex multiscale structures found in biology and materials science and is a crucial concept for development of viable nanotechnologies. Complex systems, from biological ecosystems to financial markets and the Internet, are also characterized by spontaneous clustering and linkages that determine their ....Self-assembly and complexity: networks and patterns from materials to markets. Self-assembly leads the formation of patterns without external directing agents. It is responsible for the growth of complex multiscale structures found in biology and materials science and is a crucial concept for development of viable nanotechnologies. Complex systems, from biological ecosystems to financial markets and the Internet, are also characterized by spontaneous clustering and linkages that determine their collective behaviour. The project will investigate in detail the geometry, topology, materials science and statistical physics of networks, leading to design and characterization of robust self-assembled materials and complex systems.Read moreRead less