Franz Lemmermeyer

Jagstzell, Germany

http://www.rzuser.uni-heidelberg.de/~hb3/

I'm a math teacher at St Gertrudis in Ellwangen.

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Is it known that the ring of periods is not a field?

ag.algebraic-geometry nt.number-theory open-problem periods asked Apr 6, 2010 at 13:20

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46 votes

Formal group laws and L-series

nt.number-theory algebraic-number-theory formal-groups asked Jan 16, 2011 at 15:41

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40 votes

First correct proof of FLT for exponent 3?

nt.number-theory ho.history-overview algebraic-number-theory asked Dec 14, 2010 at 16:35

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40 votes

Euler and the Four-Squares Theorem

nt.number-theory open-problem sums-of-squares asked Aug 31, 2010 at 16:32

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32 votes

Trost's Discriminant Trick

nt.number-theory diophantine-equations asked Aug 26, 2010 at 19:12

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31 votes

Elementary Aspects of Galois Deformation

class-field-theory langlands-conjectures galois-representations nt.number-theory asked Mar 1, 2010 at 19:51

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30 votes

Ramanujan and algebraic number theory

nt.number-theory algebraic-number-theory ramanujan asked Oct 24, 2010 at 15:43

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28 votes

Derivative of Class number of real quadratic fields

nt.number-theory algebraic-number-theory asked Nov 25, 2012 at 18:14

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24 votes

Elementary congruences and L-functions

nt.number-theory reference-request analytic-number-theory algebraic-number-theory asked Feb 12, 2016 at 19:06

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24 votes

Slick proof of Stirling's Formula?

ca.classical-analysis-and-odes sequences-and-series asymptotics alternative-proof asked Dec 31, 2020 at 18:53

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Top Answers

106

Please check my 6-line proof of Fermat's Last Theorem.

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102

How do we know that Fermat wrote his famous note in 1637?

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Pseudonyms of famous mathematicians

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What are the worst notations, in your opinion?

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What was the relative importance of FLT vs. higher reciprocity laws in Kummer's invention of algebraic number theory?

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Where is number theory used in the rest of mathematics?

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What's a mathematician to do?

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Euler's Master's Thesis

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Is there a "Basic Number Theory" for elliptic curves?

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Why is "abelian" infrequently capitalized?

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Demonstrating that rigour is important

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what mistakes did the Italian algebraic geometers actually make?

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Did Euler prove theorems by example?

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Fermat's Last Theorem and Kummer's Objection

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Why do we care whether a PID admits some crazy Euclidean norm?

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Zagier's one-sentence proof of a theorem of Fermat

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Did Emmy Noether ever publish under a man's name?

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Fermat's proof for $x^3-y^2=2$

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How was the importance of the zeta function discovered?

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What is the "ray" in ray class group?

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What's the "best" proof of quadratic reciprocity?

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Shortest/Most elegant proof for $L(1,\chi)\neq 0$

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What is the Euclidean function for $\mathbb{Z}[\sqrt{14}]$?

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Why are matrices ubiquitous but hypermatrices rare?

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Did Gauss know Dirichlet's class number formula in 1801?

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Definitive source about Dirichlet finally proving the Unit Theorem in the Sistine Chapel

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Integer points of an elliptic curve

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Major mathematical advances past age fifty

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How did Takagi prove Kronecker's Jugendtraum for Q(i)?

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Linear Algebra Texts?

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