Is There a Better Name for the Anti-Limit Problem?

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Discussion Overview

The discussion revolves around the concept of the "anti-limit" problem in relation to a specific function F(u,c,V) and its algebraic structure as it approaches a limit. Participants explore the terminology and implications of this concept, seeking a more appropriate name for the operation that transitions from the limit of a function back to the function itself. The scope includes theoretical and conceptual aspects of limits in mathematics and physics.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant presents the function F(u,c,V) and its limit as u approaches c, suggesting that physicists are familiar with two specific solutions of this function.
  • Another participant expresses confusion regarding the term "anti-limit," asking for clarification on its meaning and seeking a more suitable term for the operation that derives the function from its limit.
  • A later reply notes that the solution to the problem is not uniquely determined, as any continuous function that vanishes at u=v can be added to a solution without changing its validity.
  • One participant suggests that incorporating relativistic additives might be beneficial, questioning whether this could lead to a better understanding or naming of the anti-limit concept.

Areas of Agreement / Disagreement

Participants express varying levels of understanding regarding the term "anti-limit," with some seeking clarification and others proposing alternative names. The discussion remains unresolved regarding the appropriate terminology and the implications of the anti-limit concept.

Contextual Notes

There are limitations in the discussion regarding the definitions of terms like "anti-limit" and the assumptions underlying the proposed solutions. The mathematical steps leading to the conclusions are not fully explored.

bernhard.rothenstein
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Consider please the function F(u,c,V). Find out its algebraic structure knowing that its limit for u=c is sqrt[(1+V/c)/(1-V/c)].
Hint: Physicists know two solutions of it
F(u,V,c)=[1+V/u]/sqrt(1-V^2/c^2)
F(u,V,c)=[1+Vu/c^2]sqrt(1-V^2/c^)
(Is it a consacrated name for the problem? I used anti-limit for it)
Thanks in advance
 
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sorry for my ignorance..but what is an 'anti-limit' ?? .. of a certain function.
 
anti-limit problem

Klaus_Hoffmann said:
sorry for my ignorance..but what is an 'anti-limit' ?? .. of a certain function.
I am not a matematician and so I do not know an adequate term for the opperation which leads from the limit of a function to the function. Do you know a better name for it?
 
The solution is not determined, since if f is an solution, and g is any continuous function vanishing at u=v, then f+g is also a solution.
 
anti-limit

DeadWolfe said:
The solution is not determined, since if f is an solution, and g is any continuous function vanishing at u=v, then f+g is also a solution.

Would some relativistic additives help like u<c, u appears only at the first power...). Is there a better name for anti-limit? Thanks
 

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