Zero patterns and unitary similarity

Zero patterns and unitary similarityABSTRACT – ar X iv :0 80 7. 35 80 v1 [ ma th. RT ] 23 Ju l 2 00 8 ZERO PATTERNS AND UNITARY SIMILARITY JINPENG AN1,2 AND DRAGOMIR Z. D. 1 Abstract. A subspace of the space, L(n), of traceless comple …