Stack Exchange Network

Stack Exchange network consists of 180 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about our products
  1. current community

    • MathOverflow
      help chat
    • MathOverflow Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
  2. Log in
  3. Sign up
MathOverflow
  1. Home
    1. Public
    2. Questions
    3. Tags
    4. Users
    5. Unanswered
user avatar
user avatar
user avatar
Jorge António
  • Member for 8 years
  • Last seen more than 4 years ago
  • Meta user
  • Network profile
Profile Activity
  • Summary
  • Answers
  • Questions
  • Tags
  • Badges
  • Bookmarks
  • Bounties
  • Reputation
  • All actions

4 Questions

Score Activity Newest Views
26 votes
3 answers
6k views

Why are we interested in the Fundamental Groupoid of a Space?

at.algebraic-topology homotopy-theory fundamental-group
asked Jul 12, 2014 at 10:08
9 votes
1 answer
810 views

What are $( \infty , n)$-categories useful for?

ct.category-theory higher-category-theory higher-algebra
asked Sep 30, 2014 at 21:12
6 votes
1 answer
2k views

Model independent proof of colimit formula for left Kan extensions

ct.category-theory higher-category-theory infinity-categories infinity-topos-theory
asked Nov 16, 2015 at 10:33
5 votes
1 answer
329 views

Finite subgroups of GL_n of polynomial rings over finite fields

gr.group-theory rt.representation-theory rigid-analytic-geometry
asked Dec 20, 2016 at 1:03
MathOverflow
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
Company
  • Stack Overflow
  • Teams
  • Advertising
  • Collectives
  • Talent
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
  • Cookie Settings
  • Cookie Policy
Stack Exchange Network
  • Technology
  • Culture & recreation
  • Life & arts
  • Science
  • Professional
  • Business
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

Site design / logo © 2022 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2022.6.28.42464

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.