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Feb 4 |
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Let $A,B$ be two subgroups of $G$. Show that $g(A\cap B)=gA \cap gB$ for all $g \in G$ This would be easier to think about if you took $c \in A \cap B$. So this would rephrase your first step to $gc \in g(A \cap B)$. The result basically follows from here. |
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Jul 17 |
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How to solve this Pell's equation $x^{2} - 991y^{2} = 1 $ Read this. |
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Jul 3 |
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Riemann Zeta formula Related mathoverflow.net/questions/59770/… |
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Jul 2 |
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Your favourite application of the Baire category theorem mathoverflow.net/questions/56323/… and math.stackexchange.com/questions/135947/… |
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Jul 1 |
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APB is congruent to DPC. Find $x$ @Michael I believe that is the case. |
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Jul 1 |
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Find numbers with a given number of divisors. End with "$0$" means that the number must have at least have one divisor of $2$ and one divisor of $5$. The rest follows from the divisor function. |
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Jun 27 |
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Where is the most appropriate place to ask about the contribution of published papers? Mathscinet has reviews of certain papers. |
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Jun 26 |
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Find Absolute Max and Min All you quantum typists.... |
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Jun 26 |
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Exposition on hyperelliptic curves I checked this out from the library today and it is a very clearly written book indeed. |
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Jun 25 |
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Mathematical Discoveries that were made or supported by savants I've actually thought about this for awhile. My searches so far have come up empty. |
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Jun 25 |
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You must be joking … math and fun This is related to this and this MO thread which is pretty much an exhaustive list. |
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Jun 25 |
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Using sage to test for squares in residue fields What about the residue_symbol method? |
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Jun 25 |
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Using sage to test for squares in residue fields Did you take a look at this? |
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Jun 24 |
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Important papers in arithmetic geometry and number theory @Marvis You're right. I'm not able to. Thank you for pointing it out. |
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Jun 24 |
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Important papers in arithmetic geometry and number theory @Marvis I think it's good as answer. Should I delete it then? |
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Jun 24 |
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Integral of $\int{\frac{dx}{(\arcsin{x})\sqrt{1-x^2}}}$ You set $dv = 1/arcsin(x)$? How did you even integrate that? |
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Jun 23 |
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Important papers in arithmetic geometry and number theory @draks That is a very good paper. It's listed in the wikipedia article I linked to. |
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Jun 23 |
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Learning Model Theory Really? I saw it when I search on amazon but most of the reviews said it was rather terse and that you needed much background. That was not your experience then? |
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Jun 21 |
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Topology for beginners We've had so many reference requests for topology books that there is a thread about topology threads. |
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Jun 20 |
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Famous papers in algebraic geometry Oh you meant all of it. You're probably right there. They are incredibly long. |
