           symdif: '\\Delta',   // \triangle doesn't look very nice
                diag: '\\operatorname{diag}',
                col: '\\operatorname{col}',
                tr: '\\operatorname{tr}',
                det: '\\operatorname{det}',
                rank: '\\operatorname{rank}',
                TV: '\\operatorname{TV}',
                vol: '\\operatorname{vol}',
                cov: '\\operatorname{cov}',
                gauss: '\\mathcal{N}',
                Normal: '\\mathcal{N}',
             