Interval Order
A Poset 
is an interval order if it is Isomorphic to some set ofIntervals on the Real Line ordered by left-to-right precedence. Formally, 
is an intervalorder provided that one can assign to each 
an Interval 
such that 
in theReal Numbers Iff 
in .
References
Fishburn, P. C. Interval Orders and Interval Graphs: A Study of Partially Ordered Sets. New York: Wiley, 1985. Wiener, N. ``A Contribution to the Theory of Relative Position.'' Proc. Cambridge Philos. Soc. 17, 441-449, 1914.
- Linearly Dependent Curves
- Linearly Dependent Functions
- Linearly Dependent Vectors
- Linearly Independent
- Linear Operator
- Linear Ordinary Differential Equation
- Linear Programming
- Linear Recurrence Sequence
- Linear Regression
- Linear Space
- Linear Stability
- Linear Transformation
- Line at Infinity
- Line Bisector
- Line Element
- Line Graph
- Line Integral
- Line of Curvature
- Line Segment
- Line Space
- L(infinity)-Norm
- Link
- Linkage
- Link Diagram
- Linking Number