Essays about: "Robin Ekman"
Found 2 essays containing the words Robin Ekman.
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1. The GHP formalism, with applications to Petrov type III spacetimes
University essay from Umeå universitet/Institutionen för fysikAbstract : We give a review of the construction and application of spinor fields in general relativity and an account of the spinor-based Geroch-Held-Penrose (GHP) formalism. Specifically, we discuss using the GHP formalism to integrate Einstein's equations as suggested by Held and developed by Edgar and Ludwig and discuss the similaritites with the Cartan-Karlhede classification of spacetimes. READ MORE
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2. Historical and Modern Perspectives on Hamilton-Jacobi Equations
University essay from Institutionen för fysikAbstract : We present the Hamilton-Jacobi equation as originally derived by Hamilton in 1834 and 1835 and its modern interpretation as determining a canonical transformation. We show that the method of characteristics for partial differential equations, applied to the Hamilton-Jacobi equation, yields Hamilton's canonical equations and the action as the solution. READ MORE