By extensive use of methods from algebraic geometry, X. Wang proved that arbitrary pole placement by static output feedback is generically possible for strictly proper plants with $n$ states, $m$ inputs, and $p$ outputs, if $n

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CWI
Department of Operations Research, Statistics, and System Theory [BS]
Operations Research, Statistics and System Theory

Rosenthal, J., Schumacher, H., & Willems, J. C. (1994). Generic eigenvalue assignment by memoryless real output feedback. Department of Operations Research, Statistics, and System Theory [BS]. CWI.