.

A - B - C - D - E - F - G - H - I - J - K - L - M -

N - O - P - Q - R - S - T - U - V - W - X - Y - Z

0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9

R

Raabe criterion

Rabinowitsch trick

Racah-Wigner coefficients

Rahn, Johann

Rainville polynomials

Ramanathan, Kollagunta Gopalaiyer

Ramanujan, Srinivasa

Ramanujan–Nagell equation

Ramanujan–Soldner constant

Ramanujan's congruences

Ramanujan's master theorem

Ramanujan's sum

Ramanujan's tau function

Ramsey, Frank Plumpton

Ramsey class

Ramsey number

Ramsey's theorem

Ramsey theory

Ran space

Random and pseudo-random numbers

Random coding

Random matrix

Randomization test

Rank (linear algebra)

Rank of a Lie algebra

Rank of a Lie group

Rank sum test

Rank vector

Rankin, Robert Alexander

Rao-Blackwell-Kolmogorov theorem

Rao-Cramer inequality

Raphson, Joseph

Rasiowa, Helena

Rate of convergence

Ratio

Ratio test

Rational curve

Rational function

Rational homotopy theory

Rational mapping

Rational number

Rational representation

Rational surface

Ravenel conjectures

Ravine function

Ray-Knight compactification

Ray class group

Ray function

Ray method

Rayleigh-Faber-Krahn inequality

Rayleigh distribution

Rayleigh equation

Raynaud surface

Real-analytic space

Real line

Real number

Reciprocal equation

Reciprocal polynomial

Recorde, Robert

Rectangle

Rectangle rule

Rectifiable curve

Rectifiable set

Rectifiable varifold

Rectified 5-cell

Recurrence relation

Recurrent point

Recursion

Recursive definition

Redshift conjecture

Reduced normal form

Reduced scheme

Reduction

Reeb foliation

Rees, Mina

Refinement

Reflexive sheaf

Regular Borel measure

Regular cardinal

Regular polytope

Regular scheme

Reidemeister, Kurt

Reidemeister theorem

Reidemeister torsion

Reider's theorem

Reinhardt domain

Rejewski, Marian

Relation

Relative dimension

Relative geometry

Relaxation method

Reliability theory

Remainder

Remainder of a space

Remak, Robert

Remez, Evgeny Yakovlevich

Renewal theory

Rényi, Alfréd

Renyi test

Representation theory of Hopf algebras

Representation of a Lie group

Reshetnyak gluing theorem

Residual mapping

Residual set

Residue form

Residue of an analytic function

Resolvable space

Resultant

Reverse mathematics

Reversible semi-group

Reye, Theodor

Reye configuration

Reymond, Paul David Gustav du Bois-

Rhomboid

Rhombus

Rib of a polyhedron

Ribaucour congruence

Ribaucour curve

Ribenboim, Paulo

Riccati, Jacopo

Riccati, Vincenzo

Riccati equation

Ricci, Gregorio Curbastro

Ricci curvature

Ricci-flat manifold

Ricci flow

Richardson, Lewis Fry

Richardson extrapolation

Rickart ring

Ridge function

Riedtmann classification

Riemann, Bernhard

Riemann's differential equation

Riemann-Hilbert problem

Riemann hypothesis

Riemann–Hurwitz formula

Riemann–Liouville integral

Riemann–Roch theorem

Riemann-Schwarz principle

Riemann–Stieltjes integral

Riemann surfaces

Riemann theta-function

Riemann xi-function

Riemann zeta-function

Riesz, Frigyes

Riesz, Marcel

Riesz basis

Riesz–Fischer theorem

Riesz inequality

Riesz product

Riesz representation theorem

Riesz theorem

Ring (mathematics)

Ring theory (Glossary )

Ritt, Joseph

Ro-group

Robbins' constant

Robertson, Howard Percy

Roberval, Gilles de

Robinson, Abraham

Robinson, Julia

Robinson, Raphael Mitchel

Robin constant

Robin problem

Robinson–Schensted correspondence

Robinson test

Robust statistics

Roch, Gustav

Roche, Estienne de La

Rodrigues, Benjamin Olinde

Rodrigues formula

Rogers, Leonard James

Rogers L-Function

Rogers–Ramanujan continued fraction

Rogers–Ramanujan identities

Rolle, Michel

Rolle theorem

Roman surface

Root-finding algorithm

Root of unity

Root vector

Rosanes, Jakob

Rosenbrock methods

Rosinger nowhere-dense generalized function algebra

Rota, Gian-Carlo

Rotation (mathematics)

Rotation matrix

Rotations diagram

Rouché's theorem

Rough system

Roulette (curve)

Rounding-off

Routes to chaos

Routh, Edward

Routh–Hurwitz criterion

Routh's theorem

Row-finite summation method

Rudin, Mary Ellen

Rudolff, Christoff

Ruled surface

Runge domain

Runge–Kutta methods

Runge theorem

Russell, Bertrand