Mathematics
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Will Jagy's user avatar
Will Jagy's user avatar
Will Jagy
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The two excellent number theory books I keep recommending (for self study or help with the basics) are Weissman: An Illustrated Theory of Numbers. Lehman: Quadratic Number Theory: An Invitation to Algebraic Methods in the Higher Arithmetic. The web pages are

https://bookstore.ams.org/mbk-105/

https://bookstore.ams.org/dol-52/

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Can an irrational number raised to an irrational power be rational?
Jan 31, 2012
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85
How do you describe your mathematical research in layman's terms?
Feb 20, 2014
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65
Is it morally right and pedagogically right to google answers to homework?
Sep 3, 2012
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59
Is the ratio of the side and at least one diagonal of a rhombus always irrational?
Oct 4, 2017
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55
a big number that is obviously prime?
May 24, 2012
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52
Is the notorious $n^2 + n + 41$ prime generator the last of its type?
Jan 28, 2013
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47
Prove that if two miles are run in 7:59 then one mile MUST be run under 4:00.
Feb 25, 2012
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44
How do you rotate a vector by a unit quaternion?
May 19, 2011
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44
What is an odd prime?
Mar 5, 2015
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44
Integer solutions of $x! = y! + z!$
Oct 3, 2012
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anything to be done about this? Cyclic self-deletion::modify::re-post
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Why is the Gamma function shifted from the factorial by 1?
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Can a positive binary quadratic form represent 14 consecutive numbers?
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Why do roots of polynomials tend to have absolute value close to 1?

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