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Everything about Modular group

Orientation-preserving mapping class group of the torus

In mathematics, the modular group is the projective special linear group of matrices with integer coefficients and determinant, such that the matrices and are identified. The modular group acts on the upper-half of the complex plane by linear fractional transformations. The name "modular group" comes from the relation to moduli spaces, and not from modular arithmetic. Wikipedia →

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  1. Read the overview: Modular groupA 5-minute orientation
  2. Skim a recent paper: Phase II Randomized Trial of Transoral Surgery and Low-Dose Intensity Modulated Radiation Therapy in Resectable p16+ Locally Advanced Oropharynx Cancer: An ECOG-ACRIN Cancer Research Group Trial (E3311)Influential work since 2022
  3. Pick up a classic book: Moonshine beyond the MonsterThe most-reprinted book on the subject
  4. Read the landmark paper: Discrete Heisenberg-Weyl Group and modular groupCited 229 times
  5. Go sideways: Modular curveA closely related topic
  6. Go sideways: SL2(R)A closely related topic

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