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Andres Caicedo

Boise, ID

andrescaicedo.wordpress.com

Age: 38

Set theorist, combinatorialist.

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Top Questions
Top Answers
50
Find the average of $\sin^{100} (x)$ in 5 minutes?
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38
In a group we have $abc=cba$. Is it abelian?
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34
If $f,g$ are both analytic and $f(z) = g(z)$ for uncountably many $z$, is it true that $f = g$?
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29
Why Are the Reals Uncountable?
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28
Is it possible to prove a mathematical statement by proving that a proof exists?
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26
function that is its own inverse
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25
How can I prove that $n^7 - n$ is divisible by $42$ for any integer $n$?
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23
Finding Value of the Infinite Product $\prod \Bigl(1-\frac{1}{n^{2}}\Bigr)$
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23
Is this number transcendental?
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22
Why is the Möbius strip not orientable?
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20
Proving that a series converges to an irrational number
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20
What's the theory in which incompleteness of PA is proved?
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20
If a function can only be defined implicitly does it have to be multivalued?
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19
bound on the cardinality of the continuum? I hope not
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18
What is the difference between Gödel's Completeness and Incompleteness Theorems?
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18
Why does $x$ vanish in the group $\langle x,y\mid x^3, y^3, yxyxy\rangle$?
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18
What is a point?
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17
If $\sum_{1}^{\infty}(a_n)^3$ diverges, does $\sum_{1}^{\infty}(a_n)$?
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16
0.246810121416…: Is it a algebraic number?
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16
Prove that $(n-m) \mid (n^r - m^r)$
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15
Is there an algebraic homomorphism between two Banach algebras which is not continuous?
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15
The cardinality of a countable union of countable sets, without the axiom of choice
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15
Intersection of Algebraic Topology/Geometry and Model Theory/Set Theory
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14
Is there an empty set in the complement of an empty set?
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13
Prime factors of $n^2+1$
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13
Are the rationals minus a point homeomorphic to the rationals?
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13
A Conjecture of Schinzel and Sierpinski
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13
If $\gcd( a, b ) = 1$, then is it true to say $\gcd( ac, bc ) = c$?
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13
Examples of Taylor series with interesting convergence along the boundary of convergence?
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13
Does a countable set generate a countable group?
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