Text this: Some Properties of the Exchange Operator with respect to Structured Matrices defined by Indefinite Scalar Product Spaces

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|      \\ | || | || \ \\ / //  |  ___|| | || | || 
|  --  // | || | ||  \ \/ //   | ||__   | '--' || 
|  --  \\ | \\_/ ||   \  //    | ||__   | .--. || 
|______//  \____//     \//     |_____|| |_|| |_|| 
`------`    `---`       `      `-----`  `-`  `-`