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
Matthias Wendt
  • Member for 8 years, 1 month
  • Last seen more than a month ago
  • Meta user
  • Network profile
Profile Activity
  • Summary
  • Answers
  • Questions
  • Tags
  • Badges
  • Bookmarks
  • Bounties
  • Reputation
  • All actions

36 Badges

Recent Class Name
 Yearling
× 8
 Good Answer
× 4
 Nice Answer
× 40
 Nice Question
× 10
 Necromancer
× 27
 Enlightened
× 17
 Revival
× 34
 kt.k-theory-and-homology
 Vox Populi
 Generalist
 Popular Question
 algebraic-k-theory
 Proofreader
 reference-request
 Pundit
 Suffrage
 at.algebraic-topology
 Electorate
 Organizer
 Fanatic
 ag.algebraic-geometry
 Explainer
 Custodian
× 4
 Citizen Patrol
 Excavator
 Civic Duty
 Curious
 Enthusiast
 Disciplined
 Commentator
 Scholar
 Editor
 Student
 Supporter
 Teacher
 Informed
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 2022.6.24.42450

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.