Joe Johnson 126

less info
meta site favicon meta user | stack exchange network profile network profile
5,482 reputation
1828
bio website
location
age
visits member for 2 years, 7 months
seen yesterday
stats profile views 501

148 Answers

newest activity votes
2
Hausdorff condition for CW complexes
2
Linearization of a function
2
Why Does The Sine Expression Equal Another?
2
Homology of the Sphere
2
Non-Scientific questions solved by mathematics
1
values of basic trig function, given values in terms of trig functions
1
Does the concept of infinity have any practical applications?
1
Are all vectors of the form $(a, b, c)$, where $b = a + c$, subspaces of $R^3$
1
If $aRb \land bRc$ never occurs, is a relation considered transitive?
1
Implicit function theorem => continuously differentiable functions
1
$\epsilon$-$\delta$ proof involving differentiation in a defined neighborhood
1
Mystery card probability riddle
1
Show that $\sqrt{1+t}$ lies in $\mathbb{Z}[1/2][\![t]\!]$
1
Definition of group action
1
Find dy/dx if y = .. and u = ..
1
Does a function have to be continuously differentiable to be integrable
1
A interesting problem concerning differential forms
1
Finding the transformation matrix when transformations are given…
1
What does the notation $\mathbb{F}_3[x]$ mean?
1
If $\pi:\mathbb{Z}\to \mathbb{F}$ so that $\pi(0)=0$ and $\pi(n+1)=\pi(n)+1$ why is the image a subfield?
1
Show $\frac{d}{dx} \tan^3{x}-3 \tan{x}+3x = 3 \tan^4{x}$
1
Vector Mid Point vs Mid Point Formula
1
Cellular boundary map for real projective space
1
Problem 1.1.5 from Hatcher's
1
Linear Algebra Question (Polynomial)
1
reference for strongly continuous semi-groups
1
Example/counter example of a particular set being an ideal
1
One last question on the concept of limits
1
Finding $\csc$ with $\cot$
1
$\lim_{n\to \infty }\cos (\pi\sqrt{n^{2}-n})$ - second battle
1 2 3 4 5