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
    • Back to Mathematics Stack Exchange Return to the main site
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • What's Meta? How Meta is different from the main 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
Main user
Network profile
331
reputation
1
2

Cristian Em.

Physics student.

  • Spain
  • Member for 6 years, 2 months
  • 1 profile view
  • Last seen Dec 31 '19 at 22:33

Communities (22)

  • Physics 381 381 11 silver badge1212 bronze badges
  • Mathematics 331 331 22 silver badges1010 bronze badges
  • Mathematica 131 131 44 bronze badges
  • Stack Overflow 103 103 44 bronze badges
  • MathOverflow 101 101 11 bronze badge
  • View network profile

Top network posts

  • 17 Elementary argument for conservation laws from symmetries *without* using the Lagrangian formalism
  • 10 Can I interpret the exponential of the derivative operator, $e^D$, as infinite shift operators each shifting "infinitesimally"?
  • View more network posts →

Keeping a low profile.

This user hasn't posted yet.

Badges (3)

Gold

—

Silver

1

Rarest

  •  Yearling
    Nov 13 '19

Bronze

2

Rarest

  •  Supporter
    Nov 25 '17
  •  Autobiographer
    May 27 '15
Mathematics Meta
  • Help
  • Chat
  • Contact
  • 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 2021.1.26.38414