research
          
      
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      06/12/2020
    The undirected repetition threshold and undirected pattern avoidance
For a rational number r such that 1<r≤ 2, an undirected r-power is a wor...
          
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      11/13/2019
    The Number of Threshold Words on n Letters Grows Exponentially for Every n≥ 27
For every n≥ 27, we show that the number of n/(n-1)^+-free words (i.e., ...
          
            research
          
      
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      04/22/2019
     
             
  
  
     
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