deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index 4b52d39..2cdd81d 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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\section{Introduction}  Consider a signals composition  $$  \{ (a_j, x_j) \}  $$  Define the Prony map as a map $(\{a_j\}, \{x_j\}) \mapsto (\{m_k\})$ of the following form: 
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