Stack Exchange Network

Stack Exchange network consists of 175 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 Educators
      help chat
    • Mathematics Educators Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog

By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service.

Mathematics Educators Beta
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
Profile Activity
Network profile
101
reputation
2

yberman

I love combinatorics and algorithms.

  • New York, NY, USA
  • yberman.com
  • Member for 2 years, 7 months
  • 1 profile view
  • Last seen May 4 '17 at 23:55

Communities (20)

  • Mathematics 1.7k 1.7k 88 silver badges1414 bronze badges
  • MathOverflow 711 711 44 silver badges1414 bronze badges
  • Cryptography 268 268 11 silver badge66 bronze badges
  • Stack Overflow 173 173 77 bronze badges
  • History of Science and Mathematics 163 163 44 bronze badges
  • View network profile →

Top network posts

  • 25 There exists a regular language A such that for all languages B, A ∩ B is regular.
  • 10 Looking for method to generalize parity argument for Klein's Theorem (Happy Ending Problem)
  • 10 Maximum number of edges in a planar graph
  • 10 An example of a problem which is difficult but is made easier when a diagram is drawn
  • 9 Does the given operation on pairs of primes always repeat?
  • 9 How are large prime numbers found?
  • 6 Third public prime
  • View more network posts →

Keeping a low profile.

This user hasn't posted yet.

Badges (2)

Gold

—

Silver

—

Bronze

2

Rarest

  •  Supporter
    May 4 '17
  •  Autobiographer
    May 4 '17
Mathematics Educators
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • Stack Overflow Business
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
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 (27)
  • 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 (11)
  • 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 (8)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn

site design / logo © 2019 Stack Exchange Inc; user contributions licensed under cc by-sa 4.0 with attribution required. rev 2019.12.11.35602