Now showing items 1-20 of 5448

    • Averaging the inhomogeneous universe 

      Yao, Hui (University of Canterbury, 2006)
      We re-formulate and examine T. Buchert’s recent averaging scheme for scalars in cosmological applications of general relativity. The equation thus obtained can be used to describe the averaged quantities of an arbitrary ...
    • Apparent and average acceleration of the universe 

      Frost, William (University of Canterbury, 2010)
      We study two forms of deceleration parameter, one derived from supernova observations and the other from the Buchert averaging scheme. This work followed the analysis of Bolejko and Andersson in their paper “Apparent and ...
    • Post-Newtonian cosmology 

      Williams, Michael (University of Canterbury, 2020)
      In cosmology, it is common to model the universe as being close to an exact solution of Ein- stein’s equations, the homogeneous and isotropic Friedmann–Lemaˆıtre–Robertson–Walker spacetime. The inhomogeneities in the ...
    • Asymptotic structure and symmetries of FLRW universes 

      Wilson, Joseph (University of Canterbury, 2019)
      The asymptotic structure and symmetries of asymptotically flat spacetime are closely related to the gravitational memory effect, whereby detectors are permanently displaced relative to one another due to the passing of ...
    • Implanting soft hairs on Kaluza-Klein black holes 

      Gaur, Rudeep (University of Canterbury, 2019)
      In this work we investigate current research on quasilocal energy and conservation laws in general relativity. We explore the derivations and motivations for the Brown and York quasilocal energy and the Epp invariant ...
    • Quasilocal energy and conservation laws in general relativity 

      McKay, James (University of Canterbury, 2013)
      In this work we investigate current research on quasilocal energy and conservation laws in general relativity. We explore the derivations and motivations for the Brown and York quasilocal energy and the Epp invariant ...
    • The Spatial and Temporal Influence of Cloud Cover on Satellite-Based Emergency Mapping of Earthquake Disasters 

      Rosser N; Walters RJ; Robinson, Tom (Springer Science and Business Media LLC, 2019)
      The ability to rapidly access optical satellite imagery is now an intrinsic component of managing the disaster response that follows a major earthquake. These images provide synoptic data on the impacts, extent, and intensity ...
    • Soft Infrastructure for Hard Times: Collaborative Planning for the (Re)Building of Better Homes, Towns and Cities 

      Vallance S; Edwards S; Karaminejad Z; Conradson, David (National Science Challenge, 2019)
      Disaster recovery involves the restoration, repair and rejuvenation of both hard and soft infrastructure. In this report we present observationsfrom seven case studies of collaborative planning from post-earthquake ...
    • Food for people in place: reimagining resilient food systems for economic recovery 

      Diprose G; Sharp E; Graham R; Lee L; Richardson S; Watkins A; Martin-Neuninger R; Dombroski, Kelly; Scobie, Matthew (MDPI AG, 2020)
      The COVID-19 pandemic and associated response have brought food security into sharp focus for many New Zealanders. The requirement to “shelter in place” for eight weeks nationwide, with only “essential services” operating, ...
    • Personality and psychopathology 

      Spence, Meagan, 1969- (University of Canterbury, 1992)
      The assessment of personality provides the clinician with an opportunity to gather idiosyncratic information about an individual; information that is potentially useful in the diagnosis, treatment, and prognosis of that ...
    • What are resilient communities? 

      Kingham, Simon (2021)
      What did we learn from post-EQ Christchurch in terms of: - Building more resilient, healthy and sustainable urban communities? - Role of built and social environment? - Community development?
    • KMT-2017-BLG-2820 and the nature of the free-floating planet population 

      Ryu YH; Mróz P; Gould A; Hwang KH; Kim HW; Yee JC; Chung SJ; Jung YK; Shin IG; Shvartzvald Y; Zang W; Cha SM; Kim DJ; Kim SL; Lee CU; Lee DJ; Lee Y; Park BG; Han C; Pogge RW; Udalski A; Poleski R; Skowron J; Szymański MK; Soszyński I; Pietrukowicz P; Kozłowski S; Ulaczyk K; Rybicki KA; Iwanek P; Albrow, Michael (American Astronomical Society, 2021)
      We report a new free-floating planet (FFP) candidate, KMT-2017-BLG-2820, with Einstein radius θ ; 6 μas, lens-source relative proper motion μ ; 8 mas yr , and Einstein timescale t = 6.5 hr. It is the third FFP candidate ...
    • KMT-2019-BLG-0797: Binary-lensing event occurring on a binary stellar system 

      Han C; Lee CU; Ryu YH; Kim D; Chung SJ; Gould A; Hwang KH; Jung YK; Kim HW; Shin IG; Shvartzvald Y; Yee JC; Zang W; Cha SM; Kim DJ; Kim SL; Lee DJ; Lee Y; Park BG; Pogge RW; Albrow, Michael (EDP Sciences, 2021)
      Aims. We analyze the microlensing event KMT-2019-BLG-0797. The light curve of the event exhibits two anomalous features from a single-lens single-source model, and we aim to reveal the nature of the anomaly. Methods. It ...
    • Reactions to urbanisation in New Zealand during the nineteen twenties. 

      Hurricks, Peter Brian (University of Canterbury, 1975)
      The nineteen twenties were years of rapid urban growth in New Zealand. City populations increased, urban areas expanded, and an even greater proportion of the country's people were officially designated "urbanites". 1918 ...
    • Exploring the evolution and functionality of enzymes within the Claisen condensing family. 

      Firoozinia, Mohammad (University of Canterbury, 2020)
      The enzymes of the Claisen-condensing family catalyse the condensation reaction between acetyl coenzyme A (AcCoA) and an α-ketoacid. The well-characterised members of this family include α-isopropylmalate synthase (α-IPMS) ...
    • Effect of atorvastatin on macrophage activation by interferon-γ. 

      Seeley, Jake Michael (University of Canterbury, 2021)
      Heart attacks and strokes are predominantly caused by atherosclerosis, a chronic inflammatory condition, where immune cells (monocytes, macrophages, and T-cells) are continuously recruited into the arterial wall where they ...
    • An evaluation of the readability and suitability of online hearing-related health information in traditional Chinese. 

      Chan, Phoebe W.T. (University of Canterbury, 2021)
      Purpose: This study aimed to determine the readability and suitability of online hearing-related health information in traditional Chinese (TC) and to compare the readability and suitability between the TC and English ...
    • Polar Plot To Represent Glucose Sensor Performance 

      Gottlieb RK; Luo Y; Yang N; Chase, Geoff (2021)
      Disclosed are methods, apparatuses, etc. for providing a visual expression of the performance of one or more blood glucose sensors. In one particular example, a relative comparison of a rate of change sensor blood glucose ...
    • How neurons exploit fractal geometry to optimize their network connectivity 

      Smith JH; Rowland C; Harland B; Moslehi S; Montgomery RD; Schobert K; Watterson WJ; Taylor RP; Dalrymple-Alford, John (Springer Science and Business Media LLC, 2021)
      We investigate the degree to which neurons are fractal, the origin of this fractality, and its impact on functionality. By analyzing three-dimensional images of rat neurons, we show the way their dendrites fork and weave ...