PDF 6-7-8 Network-flow Flashcards

1
Q

What’s a network

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2
Q

What constraints a feasible flow need to satisfy?

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3
Q

What is the value of the flow?

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4
Q

When an arc is saturated?

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5
Q

What is a maximum flow problem?

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6
Q

Linear Programming model for max-flow problem

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7
Q

What’s a cut separating s from t?

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8
Q

Capacity of the cut?

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9
Q

Value of the flow

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10
Q

Property one

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11
Q

Property two + proof (weak duality)

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12
Q

Dual problem

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13
Q

Ford fulkerson

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14
Q

Proof of exactness

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15
Q

Theorem of strong dduality

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16
Q

Size of an istance

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17
Q

Ford Fulkerson complexity

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18
Q

WHy ford fulkerson may be inefficient

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19
Q

Name of faster implementation for max-flow problem

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20
Q

What’s a recognition problem

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21
Q

What a P class is?

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22
Q

What an NP-class is?

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23
Q

What reduce in polynomial time mean?

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24
Q

What’s a polinomial time transformation?

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25
Q

NP-complete class

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26
Q

NP-hard problem

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27
Q

ILP is NP-Hard proof

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28
Q

Traveling salesman problem formulation

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29
Q

WHat’s an hamiltonian circuit

A