Essays about: "graph spectra"

Found 2 essays containing the words graph spectra.

1. 1. Cospectral graphs : What properties are determined by the spectrum of a graph?

   University essay from Uppsala universitet/Sannolikhetsteori och kombinatorik

   Author : Erik Sundström; [2023]
   Keywords : graph theory; graph; graphs; spectral graph theory; cospectral graphs; adjacency matrix; adjacency matrices; graph spectrum; spectrum; graph spectra; spectra;

   Abstract : This paper was written as a bachelor thesis in mathematics. We study adjacency matrices and their eigenvalues to investigate what properties of the corresponding graphs can be determined by those eigenvalues, the spectrum of the graph. The question of which graphs are uniquely determined by their spectra is also covered. READ MORE

3. 2. Gamma-ray tracking using graph neural networks

   University essay from KTH/Fysik

   Author : Mikael Andersson; [2021]
   Keywords : Physics; Nuclear Physics; Detectors; Tracking; Neural Networks; GNN; Gamma-ray; Fysik; Kärnfysik; Detektorer; Tracking; Neurala Nät; GNN; Gammastrålning;

   Abstract : While there are existing methods of gamma ray-track reconstruction in specialized detectors such as AGATA, including backtracking and clustering, it is naturally of interest to diversify the portfolio of available tools to provide us viable alternatives. In this study some possibilities found in the field of machine learning were investigated, more specifically within the field of graph neural networks. READ MORE