T₂ -topological group　T₂ 拓扑群（又称“豪斯多夫拓扑群”)

T₁ -uniform space　T₁ 一致空间

T₁ -uniformity　T₁ 一致性；T₁ 一致结构

• local degree of a mapping
• local dendrite
• local density
• local density conjecture
• local derivative
• local diffeomorphism
• local differential geometry
• local dimension
• local direct product
• local disconnection
• local discrepancy
• local discretization error
• local disk
• local domain
• local drift
• local duality
• local duality theorem
• local dynamical system
• locale
• local endomorphism ring
• local equation
• local equilibrium state
• local equivalence problem
• local ergodic property
• local ergodic theorem