Stack Exchange
sign up | log in |

Mathematics
  • Questions
  • Tags
  • Tour
  • Users
  • Ask Question

John Stalfos

less info
meta site favicon meta user | stack exchange network profile network profile
460 reputation
110
bio website jstalfos@wordpress.com
location United States of America
age 31
visits member for 1 year, 1 month
seen 16 hours ago
stats profile views 51

Put on some Jelly Roll Morton and have a good day!
460 reputation
 bio website jstalfos@wordpress.com visits member for 1 year, 1 month
110 badges
 location United States of America seen 16 hours ago
summary answers questions tags badges favorites bounties reputation activity

13 Answers

newest activity votes
4
give a counterexample of monoid
3
Finding the homology group of $H_n (X,A)$ when $A$ is a finite set of points
2
Epimorphism of sheaves of rings
2
How can I show some rings are local.
2
Direct and inverse limits of sheaves
2
Why does the tail $a_N+a_{N+1}+a_{N+2}\ldots$ of convergent series $\sum a_n$ tend to $0$ as $N\to\infty$?
2
Question regarding a remark in Hatcher's Algebraic Topology
2
Trying to prove that $h_{n}(X,X) = 0$ in a homology theory $h_{n}$
1
Categorical definition of tensor product
1
$\mathrm{Ext}^n(\mathcal F, i_*\mathcal G) =\mathrm{Ext}^n(i^*\mathcal F,\mathcal G)$?
1
Prove$ L^2$ inner product satisfies positivity
1
Prove the substitution law for limits (using the $\epsilon$-$\delta$ definition)
0
When is the sheaf corresponding to a vector bundle on a smooth manifold coherent?
about faq badges blog chat data legal privacy policy jobs advertising info mobile contact us feedback
Technology Life / Arts Culture / Recreation Science Other
  1. Stack Overflow
  2. Server Fault
  3. Super User
  4. Web Applications
  5. Ask Ubuntu
  6. Webmasters
  7. Game Development
  8. TeX - LaTeX
  1. Programmers
  2. Unix & Linux
  3. Ask Different (Apple)
  4. WordPress Answers
  5. Geographic Information Systems
  6. Electrical Engineering
  7. Android Enthusiasts
  8. IT Security
  1. Database Administrators
  2. Drupal Answers
  3. SharePoint
  4. User Experience
  5. Mathematica
  6. more (14)
  1. Photography
  2. Science Fiction & Fantasy
  3. Seasoned Advice (cooking)
  4. Home Improvement
  5. more (13)
  1. English Language & Usage
  2. Skeptics
  3. Mi Yodeya (Judaism)
  4. Travel
  5. Arqade (gaming)
  6. Bicycles
  7. Role-playing Games
  8. more (22)
  1. Mathematics
  2. Cross Validated (stats)
  3. Theoretical Computer Science
  4. Physics
  5. more (7)
  1. Stack Apps
  2. Meta Stack Overflow
  3. Area 51
  4. Stack Overflow Careers
site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required
rev 2013.5.21.692