Strassmann's theorem

Strassmann's theorem

In mathematics, Strassman's theorem is a result in field theory. It states that, for suitable fields, suitable formal power series with coefficients in the valuation ring of the field have only finitely many zeroes.

tatement of the theorem

Let "K" be a field with a non-Archimedean absolute value | · | and let "R" be the valuation ring of "K". Let "f"("x") be a formal power series with coefficients in "R" other than the zero series, with coefficients "a""n" converging to zero with respect to | · |. Then "f"("x") has only finitely many zeroes in "R".

References

*cite book|last = Murty|first = M. Ram|authorlink = M. Ram Murty|title = Introduction to P-Adic Analytic Number Theory|publisher = American Mathematical Society|date = 2002|pages = 35|isbn = 978-0-8218-3262-2|url = http://books.google.com/books?id=xi3ueDVuO7sC

External links

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