André Nicolas
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# 376,462 Reputation

190 today
 +45 9 hours ago 4 events Choosing a combination of books, under given restrictions. +35 9 hours ago 3 events Why total probability is the sum of conditional probabilities? +35 12 hours ago 3 events Counting models that satisfy PL sentences +20 12 hours ago 2 events How to express $\log_5 2$ in terms of a and b (Refer to qn) +15 14 hours ago accept What am I missing here: $U(144) \neq U(140)$ +10 3 hours ago upvote If two finite groups satisfy the same first-order sentences, are they isomorphic? +10 6 hours ago upvote Probability question about distinguishable and non distinguishable objects +10 6 hours ago upvote Expectation values $E(X)$ +10 7 hours ago upvote Hypothesis testing for normally distributed random variable
275 yesterday
 +45 00:13 4 events showing non-isomorphism of groups +40 12:46 4 events What am I missing here: $U(144) \neq U(140)$ +35 02:01 3 events Moment generating function of sample mean of bernoulli random variables +25 07:35 2 events An irreducible polynomial in a subfield of $\mathbb{C}$ has no multiple roots in $\mathbb{C}$ +25 06:09 2 events Three People Rolling a fair Die. +20 17:07 2 events Finding $E[X^{2}]$ of a random variable +20 15:11 2 events If X and Z are independent and Y and Z are independent random variables, is cov(XY, Z) = 0? +15 02:08 accept Let $b_0, b_1,…,b_n$ be real numbers with the property that +10 11:56 upvote Can finite theory have only infinite models? +10 11:41 upvote Showing that this sequence is eventually decreasing +10 10:06 upvote Combinatorics: Does this method take into account every possible matchup +10 06:57 upvote Does iterating $n \to 2n+1$ always eventually produce a prime number? +10 04:22 upvote $f(x) = x^{p}(1-x)^{q}$ for all $x\in \left[0,1\right]\;,$ Where $p,q\in \mathbb{Z^{+}}$, Then Max. of $f(x)$ at $x=$
275 2 days ago
 +55 22:26 8 events Showing that this sequence is eventually decreasing +35 19:51 5 events 5-tuples of n integers +35 09:19 3 events Prove that there exists infinitely many primes of Digital root $2,5$ or $8$ +35 07:20 3 events Function between two metric spaces? +20 07:39 2 events constrained stars and bars problem +15 21:41 3 events Existence of elements of even order in a field with characteristic 2 +10 12:16 upvote How many numbers in a given range are coprime to N? +10 11:28 upvote Deriving the formula for the $n^{th}$ tetrahedral number +10 11:25 upvote Evaluate $\sum\limits_{k=1}^n k^2$ and $\sum\limits_{k=1}^n k(k+1)$ combinatorially +10 11:25 upvote Evaluate $\sum\limits_{k=1}^n k^2$ and $\sum\limits_{k=1}^n k(k+1)$ combinatorially +10 08:57 upvote theory number, number of solutions, not prime numbers +10 03:34 upvote What is the number of ordered triplets $(x, y, z)$ such that the LCM of $x, y$ and $z$ is … +10 02:54 upvote The Dynamics of Contrapositive Proofs +10 02:31 upvote Product of two primitive roots $\bmod p$ cannot be a primitive root. 21:13 upvote How close can $\sum_{k=1}^n \sqrt{k}$ be to an integer? 19:55 upvote Conditional Probability clarification
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