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topic:math:linalg:operator [2023/02/13 18:57] – ↷ Page name changed from topic:math:linalg:matrixproperties to topic:math:linalg:operator samueltopic:math:linalg:operator [2023/02/14 17:14] (current) – [Operator (Matrix) properties] samuel
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-====== Matrix properties ======+====== Operators ====== 
 +===== Hilbert Space ===== 
 +The **Hilbert Space** is an inner product space, which is complete with respect to the norm defined by the inner product.
  
-  * U^\dagger is the adjoint of $U$, and in matrix representation is given by $(U^*)^T$, where $^*$ marks the complex conjugate and $^T$ the transpose.+See also [[https://www.quantiki.org/wiki/hilbert-spaces | on Quantiki]] 
 + 
 + 
 +===== Operator (Matrix) properties ===== 
 + 
 +  $U^\daggeris the adjoint of $U$, and in matrix representation is given by $(U^*)^T$, where $^*$ marks the complex conjugate and $^T$ the transpose.
   * An operator (matrix) $U$ is said to be normal if $U^\dagger U = U U^\dagger$.   * An operator (matrix) $U$ is said to be normal if $U^\dagger U = U U^\dagger$.
     * A normal operator is diagonizable (spectral decomposition)      * A normal operator is diagonizable (spectral decomposition) 
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   * An operator (matrix)  $U$ is said to be hermitian if $U = U^\dagger$.   * An operator (matrix)  $U$ is said to be hermitian if $U = U^\dagger$.
     * A hermitian operator is normal.     * A hermitian operator is normal.
-    *  
  
topic/math/linalg/operator.1676314652.txt.gz · Last modified: by samuel