Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

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