### Questions (56)

 6 Can endpoints be local minimum? 4 Torus removed two points is homotopy equivalent to wedge sum of three circles 4 All possible tournament pairing such that you get no pair from the same group. 4 Homomorphism of Group Object: Are all the axioms necessary? 3 Fibrant Replacement Functor: its action on morphisms

### Reputation (1,088)

 +10 Definition of $Y^f$ in category theory: exponential pullback. +10 Prove universal morphism is unique up to unique isomorphism. +10 Can endpoints be local minimum? +10 Lemma 4.1.3 in Category Theory in Context: Adjoint Functors

### Answers (13)

 4 How to find $\Pr(A)$ given $\Pr(B \mid A)$, $\Pr(B \mid \neg A)$ and $\Pr(B)$ 2 Confusion in interpreting why $A\subseteq B$ implies $A\cap X\subseteq B\cap X$ 1 Draw 3 card simultaneously from a standard deck without replacement. 1 What is the probability to draw a black card, given draws without replacement? 1 $R/(a)$ is torsion for any nonzero $a \in R$?

### Tags (53)

 7 probability × 7 2 derivatives × 2 6 conditional-probability × 3 1 category-theory × 20 4 problem-solving 1 measure-theory × 5 2 elementary-set-theory × 3 1 modules × 5 2 card-games × 2 1 real-analysis × 4

### Bookmarks (22)

 122 Classification of prime ideals of $\mathbb{Z}[X]$ 48 Why is the localization at a prime ideal a local ring? 43 Surjective endomorphisms of finitely generated modules are isomorphisms 22 Is a finitely generated projective module a direct summand of a *finitely generated* free module? 22 Universal cover via paths vs. ad hoc constructions

### Accounts (10)

 Mathematics 1,088 rep 11 gold badge88 silver badges1515 bronze badges Code Review 285 rep 11 silver badge66 bronze badges Cross Validated 123 rep 33 bronze badges TeX - LaTeX 123 rep 55 bronze badges Stack Overflow 101 rep 11 bronze badge

### Badges (20)

 Inquisitive Enthusiast Yearling × 4 Citizen Patrol Custodian × 2 Critic Caucus Commentator Constituent Teacher

### Active bounties (0)

This user has no active bounties

### Votes cast (94)

all time   by type   month   week   day
94 up 49 question 19 1 1
0 down 45 answer