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Physical Sciences and Mathematics Commons

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Mathematics

Conference

Western University

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Full-Text Articles in Physical Sciences and Mathematics

Categorical Aspects Of Graphs, Jacob D. Ender Aug 2021

Categorical Aspects Of Graphs, Jacob D. Ender

Undergraduate Student Research Internships Conference

In this article, we introduce a categorical characterization of directed and undirected graphs, and explore subcategories of reflexive and simple graphs. We show that there are a number of adjunctions between such subcategories, exploring varying combinations of graph types.


Spectral Graph Theory And Research, Nathan H. Kershaw, Lewis Glabush Aug 2021

Spectral Graph Theory And Research, Nathan H. Kershaw, Lewis Glabush

Undergraduate Student Research Internships Conference

Our topic of study was Spectral Graph Theory. We studied the algebraic methods used to study the properties of graphs (networks) and became familiar with the applications of network analysis. We spent a significant amount of time studying the way virus’s spread on networks, with particular applications to Covid-19. We also investigated the relationship between graph spectra and structural properties.