Similar to リーマン多様体

H-class battleship proposals

Polikarpov I-17

Polikarpov I-185

IAR-93 Vultur

IBurst

List of airports by ICAO code: A

Intercity Express

Interactive Disassembler

IEC 61131-3

Interim Fast Attack Vehicle

Infanterikanonvagn 91

Ilyushin Il-1

Ilyushin Il-4

IMAM Ro.63

Spin structure

Hyperbolic 3-manifold

Hyperbolic manifold

Hyperkähler manifold

Hilbert manifold

Frobenius manifold

Bernhard Riemann

Removable singularity

Riemannian geometry

Riemann sphere

Riemann curvature tensor

Riemann xi function