Proving the existence of the $n$th root by induction

Pseudo-Manifold Geometries with Applications

Pythagorean Triangles with Repeated Digits-Repeated Bases

Pythagorean triangles within Pythagorean triangles

Quantization of Arbitrary Hamiltonians

Quantum Knots and Riemann Hypothesis

Quasi-invariant and pseudo-differentiable measures on a non-Archimedean Banach space. II. Measures with values in non-Archimedean fields

Quasi-invariant and pseudo-differentiable measures on a non-Archimedean Banach space.I. Real-valued measures

Quaternion Rhapsody

Radii of regular polytopes

Ramanujan type $1/π$ Approximation Formulas

Ramanujan's Heirs

Random matrices and Riemann hypothesis

Random triangle problem: geometrical approach

Rank Distance Bicodes and their Generalization

Ranking Participants in Tournaments by means of Rating Functions

Ratio Estimators in Simple Random Sampling Using Information on Auxiliary Attribute

Ratio Estimators in Simple Random Sampling when Study Variable is an Attribute

Realization of the Riemann Hypothesis via Coupling Constant Spectrum

Reciprocal Properties of Pythagorean triangles