Stack Exchange Network

Stack Exchange network consists of 176 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…
  1. 0
  2. +0
    • 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 hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Mathematics
      help chat
    • Mathematics Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Mathematics
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
Profile Activity
Meta user
Network profile
xsnl

Reputation

1,753
  • 1.8k
  • 1.7k
  • 1.6k
  • May
  • Aug
  • Nov
  • Feb

Next tag badge

group-theory
67/100 score
35/20 answers

Badges

7
18

Newest

 Necromancer

Next badge

1/50
Refiner

Impact

~10k
people reached
1 post edited
3 helpful flags
144 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

7 Questions

Votes Activity Newest Views
 
4
votes
0
answers
99
views

Real content of Chebyshev sum inequality

functional-analysis inequality operator-theory normed-spaces c-star-algebras
Jul 8 '18 at 20:23 Community♦ 1
 
3
votes
0
answers
61
views

Discrete approximations of Riemannian manifolds and topological complexity

metric-spaces geometric-topology discrete-geometry
Mar 16 '18 at 20:16 xsnl 1,753
 
3
votes
0
answers
44
views

Cubic composition algebras

number-theory reference-request
May 25 '17 at 12:06 Pedro Sánchez Terraf 4,149
1
1
vote
1
answer
60
views

When limits preserve projectivity

abstract-algebra ring-theory projective-module
Aug 10 '18 at 7:52 Jeremy Rickard 22.2k
 
1
vote
0
answers
37
views

“Width” of symmetric groups

combinatorics group-theory probability-distributions
Apr 18 '18 at 22:37 xsnl 1,753
1
1
vote
1
answer
120
views

Strategies in Memory game

combinatorics recreational-mathematics
Apr 17 '18 at 15:15 Ross Millikan 350k
 
1
vote
0
answers
54
views

Is pronilpotent completion of free group projective?

group-theory limits-colimits
Nov 23 '17 at 20:59 xsnl 1,753
Mathematics
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.2.26.38663