Gomory cuts in integer programming

E718425

Gomory cuts in integer programming are a class of cutting-plane techniques that iteratively refine linear programming relaxations to find optimal integer solutions to mixed-integer optimization problems.

All labels observed (6)

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Statements (46)

Predicate Object
instanceOf cutting-plane method ⓘ
integer programming technique ⓘ
optimization method ⓘ
appliedAt nodes of a branch-and-bound tree ⓘ
appliesTo mixed-integer linear programming ⓘ
pure integer linear programming ⓘ
assumption variables have integrality restrictions ⓘ
basedOn linear programming relaxation ⓘ
belongsTo polyhedral theory of integer programming ⓘ
canBe generated automatically by MIP solvers ⓘ
category exact algorithmic technique ⓘ
characteristic derived from simplex tableau rows ⓘ
separate current fractional solution ⓘ
valid inequalities for integer hull ⓘ
developedBy Ralph E. Gomory ⓘ
effect tightens feasible region toward integer hull ⓘ
field integer programming ⓘ
mathematical optimization ⓘ
operations research ⓘ
goal eliminate fractional solutions ⓘ
enforce integrality of variables ⓘ
tighten LP relaxation ⓘ
hasVariant Gomory fractional cut ⓘ
Gomory mixed-integer cut ⓘ
pure-integer Gomory cut ⓘ
implementedIn commercial MILP solvers ⓘ
open-source MILP solvers ⓘ
improves lower bound for maximization problems ⓘ
upper bound for minimization problems ⓘ
influenced development of modern cutting-plane methods ⓘ
introducedIn 1950s ⓘ
methodType cutting-plane algorithm ⓘ
iterative refinement method ⓘ
namedAfter Ralph E. Gomory ⓘ
property can be applied iteratively until integrality is reached ⓘ
do not remove any feasible integer solution ⓘ
remove at least the current fractional LP solution ⓘ
relatedTo Chvátal–Gomory cuts ⓘ
branch-and-cut ⓘ
simplex method ⓘ
requires fractional basic variable in tableau ⓘ
typicalInput optimal basis of LP relaxation ⓘ
typicalOutput linear inequality added to LP ⓘ
usedFor finding optimal integer solutions ⓘ
improving bounds in branch-and-bound ⓘ
solving mixed-integer optimization problems ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ralph E. Gomory → notableWork → Gomory cuts in integer programming ⓘ
Ralph E. Gomory → notableFor → Gomory cuts ⓘ
subject linked to: Gomory
linked to: Gomory cuts in integer programming
Gomory cuts → hasVariant → Gomory fractional cut ⓘ
linked to: Gomory cuts in integer programming
Gomory cuts → hasVariant → Gomory mixed-integer cut ⓘ
linked to: Gomory cuts in integer programming
Gomory cuts → hasVariant → pure-integer Gomory cut ⓘ
linked to: Gomory cuts in integer programming
Gomory cuts → relatedTo → Chvátal–Gomory cuts ⓘ
linked to: Gomory cuts in integer programming