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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