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• #### The Extended Golay Codes as Ideals ﻿

(Master thesis, 2016)
We define a multiplication on the ambient spaces of the extended binary and ternary Golay codes that results in these codes becoming left ideals in their ambient spaces. We use fixed-point-free permutation groups to define ...
• #### Tilting and Relative Theories in Subcategories ﻿

(Doktoravhandlinger ved NTNU, 1503-8181; 2008:39, Doctoral thesis, 2008)
We show that, over an artin algebra, the tilting functor preserves (co)tilting modules in the subcategories associated to the functor. We also give a sufficient condition for the category of modules of finite projective ...