Completely positive semidefinite rank
An n× n matrix X is called completely positive semidefinite (cpsd) if there exist d× d Hermitian positive semidefinite matrices {Pi}i=1n (for some d≥ 1) such that Xij= Tr (PiPj) , for all i, j∈ { 1 , … , n}. The cpsd-rank of a cpsd matrix is the smallest d≥ 1 for which such a representation is possi...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2020
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/139101 |
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| Institution: | Nanyang Technological University |
| Language: | English |