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Everything about Matrix ring

Mathematical ring whose elements are matrices

In abstract algebra, a matrix ring is a set of matrices with entries in a ring R that form a ring under matrix addition and matrix multiplication. The set of all n × n matrices with entries in R is a matrix ring denoted Mn(R) (alternative notations: M(n, R), Matn(R) and Rn×n). Some sets of infinite matrices form infinite matrix rings. A subring of a matrix ring is again a matrix ring. Over a rng, one can form matrix rngs. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Matrix ringA 5-minute orientation
  2. Skim a recent paper: Discovering faster matrix multiplication algorithms with reinforcement learningInfluential work since 2022
  3. Pick up a classic book: Algebras, rings and modulesThe most-reprinted book on the subject
  4. Read the landmark paper: Tests for comparing elements of a correlation matrix.Cited 3,919 times
  5. Go sideways: Glossary of ring theoryA closely related topic
  6. Go sideways: Ring (mathematics)A closely related topic

📖 Definitions

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🗂️ The subject at a glance

  1. Examples
  2. Structure
  3. Properties
  4. Matrix semiring

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics