Faculty of Graduate Studies Online Theses
http://hdl.handle.net/10222/11163
Sat, 27 Aug 2016 09:58:31 GMT2016-08-27T09:58:31ZBack to the Future: New Metabolisms for Declining Urban Towers
http://hdl.handle.net/10222/72122
Back to the Future: New Metabolisms for Declining Urban Towers
Butler, Shawn
As the number of residential towers increases with the growth of modern cities, we are faced
with the question of how to handle the older towers that, little by little, no longer attract
renters for their apartments. Is their decline unavoidable, or like many other building types,
do they have the capacity for a second life? In this project, I look at the history of residential
towers, how they go from exemplifying an ideal urban lifestyle to becoming obsolete urban
ruins. Looking at Halifax’s Fenwick Place in particular, I examine how a building that was
designed to express an idealistic future through its brutalist idiom is now widely considered
an architectural crime against humanity. To address this question, I draw upon ideas from
the Metabolist movement, adapting concepts such as groupform, linkage, and megaform to
twenty-fi rst-century conditions, and propose that new urban futures currently lie fallow in
our recent past.
http://hdl.handle.net/10222/72122Risky Business: Industrial Disaster and the Cost of Energy Extraction in Lisa Moore's February and Leo McKay Jr.'s Twenty-six
http://hdl.handle.net/10222/72121
Risky Business: Industrial Disaster and the Cost of Energy Extraction in Lisa Moore's February and Leo McKay Jr.'s Twenty-six
Little, Linda
Our assumptions about the costs of industrial energy extraction underlie its discourse. Literature can create a space to question the validity of dominant paradigms. Lisa Moore’s February and Leo McKay Jr.’s Twenty-six, through their explorations of the 1982 sinking of the Ocean Ranger oil rig and the Westray coal mine explosion respectively, encourage readers to reconsider neo-liberal assertions that energy development is an absolute necessity and serves the common good. Beyond their mimetic representation of disasters, these novels are meditations on the ways in which people from a traditionally “have-not” region negotiate choices within an increasingly globalized, neo-liberal world. Both novels expand the idea of risk from that of individuals in dangerous workplaces to the more far-reaching impacts that energy development has on the places we live. They invite consideration of the degree to which we are prepared to offer up our home communities to development.
http://hdl.handle.net/10222/72121DEVELOPMENT OF A 24-HOUR TRANSPORTATION NETWORK AND EMISSION MODELLING SYSTEM FOR HALIFAX
http://hdl.handle.net/10222/72120
DEVELOPMENT OF A 24-HOUR TRANSPORTATION NETWORK AND EMISSION MODELLING SYSTEM FOR HALIFAX
Rahman, Mahbubur
The objectives of this study is to develop a 24-hour transportation network model for Halifax, to estimate emission by using the modeling system and to evaluate alternate transit infrastructure projects. A regional transportation network model was developed and validated. Emissions from GHG, GHG, CO, NOx, THC, VOC, PM10, and PM2.5 were estimated. Model results reveals that annual per capita GHG emission was found 3.09 ton in 2011 and forecasted 3.41 ton for 2021. The results also suggests that emission polluting power and pollution experienced demonstrates difference for instance, suburban and rural areas experiencing more emission than they generate. Study results suggests that modal shift from auto to transit or active transportation would help to reduce emissions, for example, 3.81% less emission for a 5% shift towards transit. Alternative transit infrastructure evaluation concludes that rail and BRT would decrease auto ridership and emission whereas BRT would reduce travel time.
http://hdl.handle.net/10222/72120Geometric Embedding of Graphs and Random Graphs
http://hdl.handle.net/10222/72119
Geometric Embedding of Graphs and Random Graphs
Chuangpishit, Huda
In a spatial graph model, vertices are embedded in a metric space, and the link probability between two vertices depends on this embedding in such a way that vertices that are closer together in the metric space are more likely to be linked. In this thesis we study spatial embedding of graphs and random graphs when the metric space is (R^n,|| . ||_∞).
The first part of this thesis is devoted to the study of (R^2,|| . ||_∞)-geometric graphs, graphs whose vertices are points in R^2 and two vertices are adjacent if and only if their distance is at most 1. Such graphs are called square geometric graphs. We present a polynomial-time algorithm for recognition of a subclass of square geometric graphs. Moreover if the input graph is a square geometric graph then the algorithm returns the orderings of the x and y coordinates that determine the embedding.
The second part of this thesis is devoted to the study of spatial embedding of random graphs when the metric space is (R ,|| . ||_∞). Let w: [0,1]^2 ⟶ [0,1] be a symmetric function, and consider the random process G(n,w), where n vertices are chosen from [0,1] uniformly at random, and w governs the edge formation probability. Such a random graph is said to have a linear embedding, if the probability of linking to a particular vertex v decreases with distance. The rate of decrease, in general, depends on the particular vertex v. A linear embedding is called uniform if the probability of a link between two vertices depends only on the distance between them. In this thesis we give necessary and sufficient conditions for the existence of a uniform linear embedding for random graphs where w attains only a finite number of values.
http://hdl.handle.net/10222/72119