XPost: sci.math   
   From: ivgroups@onlinehome.de   
      
   "Pirx42" wrote in news:lvltrm$o5t$1@dont-email.me...   
   >> You have to be more precise. What you say makes no sense to me.   
   >> ...   
   >> As you pose your questions, nobody here can answer them IMHO.   
   > You have your own  notation and terminology, which is different from   
   > those used in standard mathematics.   
   In standard *university* mathematics.   
   I use terms that are used in the corresponding special mathematical fields   
   and their books and articles (e.g. Riordan, Comtet, Knuth). Maybe that not   
   all mathematicians or mathematics students are familiar with these special   
   terms. I'm sorry, I didn't know that. Where a notation is not unambiguously,   
   like e.g. f-1 and f^(-1), I tried to define my own notation here in the   
   thread. Mathematicians are accustomed to work with temporary definitions.   
      
   Please excuse me. I hope the concepts, notations and the problem are now   
   more clear. Don't hesitate to ask me when I was unintelligible at the one or   
   another place.   
   I think that those who have already dealt with the area, know the   
   terminology.   
   Please excuse and forgive me. We all want also to learn.   
   I'm not a mathematician. But I need the answers to "my" problems for my   
   science.   
      
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