Further results on the subspace distance

In previous papers [1, 2], we proposed a subspace distance. However, whether the subspace distance satisfies the triangle inequality was left open. In this note, we give positive answer to the open problem and prove our assertion.

• Type: Journal
• Year: 2007
• Where: PR
• Authors: Xichen Sun, Liwei Wang, Jufu Feng
• Keywords: Positive Answer, PR 2007, Subspace Distance, Triangle Inequality