# Events

### The topology and geometry of spaces of Yang-Mills-Higgs flow lines.

31 July 2018 3:00pm–4:00pm

Graeme Wilkin, National University of Singapore

### Resolving zooplankton in marine ecosystem models using the functional size spectrum framework

26 July 2018 3:00pm–4:00pm

Mr Ryan Heneghan, (The University of Queensland)

### Approximate curvatures of generalized surfaces

24 July 2018 3:00pm–4:00pm

Gian Paolo Leonardi (Università di Modena e Reggio Emilia)

### Quantitative Assessment of the Queensland Saucer Scallop Fishery 2018 - Dr Wen-Hsi Yang (University of Queensland)

17 July 2018 11:00am

Dr Wen-Hsi Yang (School of Mathematics and Physics, The University of Queensland)

### Discrete and continuum modelling of biological network formation. Speaker: Jan Haskovec (KAUST: King Abdullah University of Science an Technology)

17 July 2018 10:30am–11:30am

Motivated by recent papers describing rules for natural network formation in discrete settings, we propose an elliptic-parabolic system of partial differential equations. The model describes the pressure field due to Darcy’s type equation and the dynamics of the conductance network under pressure force effects with a diffusion rate representing randomness in the material structure. After a short overview of the principles of discrete network modelling, we show how to derive the corresponding macroscopic (continuum) description. The highly unusual structure of the resulting PDE system induces several interesting challenges for its mathematical analysis. We give a short overview of the tools and tricks that can be used to overcome them. In particular, we present results regarding the existence of weak solutions of the system, based on recent results on elliptic regularity theory. Moreover, we study the structure and stability properties of steady states that play a central role to understand the pattern capacity of the system. We present results of systematic numerical simulations of the system that provide further insights into the properties of the network-type solutions.

### SCIE1000 - Theory and Practice in Science

21 June 2018 11:00am

Associate Professor Tim McIntyre and Dr Sara Herke (The University of Queensland)

### Dynamics of illegal harvest: how to protect natural resources from criminal behaviour

12 June 2018 11:00am–12:00pm

Dr Matthew Holden (School of Mathematics and Physics, The University of Queensland)

### An entropy-based measure for comparing distributions

11 June 2018 11:00am–12:00pm

Rajeev Rajaram (Kent State University, Ohio)

### Mathematics for Data Science 1

5 June 2018 11:00am–12:00pm

Dr Yoni Nazarathy (The University of Queensland)

### Revamping ACCT1001

9 May 2018 1:00pm–2:00pm

Speakers: Associate Professor Julie Walker and Ms Robyn Parry (BEL Faculty, The University of Queensland)