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Erick Wong

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71
Is the Law of Large Numbers empirically proven?
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28
GCD to LCM of multiple numbers
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25
Why do early math courses focus on the cross sections of a cone and not on other 3D objects?
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24
How to show that $\lim \frac{1}{n} \sum_{i=1}^n \frac{1}{i}=0 $?
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23
Is it true that for infinitely many values of $n$, the sum of digits of $2^n$ is greater than for $2^{n+1}$?
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19
Values taken by Euler's phi function
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19
Does the series $ \sum\limits_{n=1}^{\infty} \frac{1}{n^{1 + |\sin(n)|}} $ converge or diverge?
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19
Simulate repeated rolls of a 7-sided die with a 6-sided die
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18
Does knowing the totient of a number help factoring it?
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17
Polynomials that pass through a lot of primes
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15
Size of largest prime factor
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15
Sequence of positive integers.
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15
Determinants question with factorials
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15
Is $M(x)=O(x^σ)$ possible with $σ≤1$ even if the Riemann hypothesis is false?
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15
If $A+A^T$ is negative definite, then the eigenvalues of $A$ have negative real parts?
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13
Two $NP$-complete languages whose union is in $P$?
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13
Can we express any positive real number with arbitrary precision using a ratio of two prime numbers?
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13
Solving $DEF+FEF=GHH$, $KLM+KLM=NKL$, $ABC+ABC+ABC=BBB$
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13
Graph theory: adjacency vs incident
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12
Relationships between $\det(A+B)$ and $A+B$
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12
Prime chains with large gaps
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12
Conjecture about distribution of certain primes
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12
How to formulate Unique value constraint in Integer Programming?
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12
Prove that every undirected finite graph with vertex degree of at least 2 has a cycle
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12
Travelling salesman and NP Hard
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11
How to prove that $p-1$ is squarefree infinitely often?
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11
How to create a cubic equation that include sums of the roots of another cubic equation
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11
How many primes $p$ are there such that $2p^{3} + 206$ is a perfect square?
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11
Does $\sum_{n=1}^\infty n^{-1-|\sin n|^a}$ converge for some $a\in(0,1)$?
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10
Is there anyway to show $\left| {\frac{{\cos x - \cos y}}{{x - y}}} \right| \le 1$ other than taking derivatives?
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