14 Answers votes newest views recent 1Algorithm to check is representation irreducible ? Algorithm to decompose the reducible one ? 7Simple question in the representation of SL(2,C) 4Symmetric polynoms are Hopf algebra ? What for one needs co-product ? 1Schur-Weyl duality 1Given a Spanning Tree and an Edge Not on the Spanning Tree, How to Form a Cycle Base? 2Principal minors 5Hilbert-Mumford criterion and closedness 8Free, high quality mathematical writing online? 1Is there an account of the algebra of highest weight tensors? 2Matrix products under which the determinant behaves multiplicatively 9A single paper everyone should read? 5Definition of and intuition for regular subdivisions of a polytope 1Enumeration of Regular Graphs 2Books you would like to see translated into English.