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

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Text this: Interior fixed points of unit-sphere-preserving Euclidean maps