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Nerovnosti Friedrichsova a Poincarého typu a jejich výpočet
 MOSKOVKA, Alexej
This thesis deals with the theory of Friedrichs' and Poincaré inequalities and their constants. They are important in mathematical analysis, functional analysis and theory of partial differential equations. The key property of them is the boundness of L-norms of functions by L-norms of gradients of functions. Constants can be derived analytically for simple geometries or approximated numerically. We provide an explicit derivation for an interval, a rectangle and a rectangular cuboid. We also perform a numerical computation for the interval and the rectangle as well as for an annulus, for which constants are unknown.
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