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

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Text this: On the sigma chromatic number of the join of a finite number of paths and cycles