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2011

2011

When R is a non-archimedean real closed field we say that a func- tion f 2 R( ¯ X) is finitary at a pointb 2 R n if on some… Expand

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2008

2008

In this paper we provide characterizing properties of totally dual integral (TDI) systems, among others the following: a system… Expand

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2007

2007

In this paper we provide new characterizing properties of TDI systems, among others the following: A system of linear… Expand

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2001

2001

A linear system Ax < b (A, b rational) is said to be totally dual integral (TDI) if for any integer objective function c such… Expand

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2000

2000

G=(V, E, A) be a mixed graph. That is, (V, E) is an undirected graph and (V, A) is a directed graph. A matching forest… Expand

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1995

1995

A 0, ±1-matrixA is balanced if, in every submatrix with two nonzero entries per row and column, the sum of the entries is a… Expand

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1991

1991

A number of well known results in combinatorial optimization, such as Hoffman's circulation theorem and the matching theorems of… Expand

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1987

1987

We prove that any totally dual integral description of a full-dimensional polyhedron is locally strongly unimodular in every… Expand

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1981

1981

Abstract We prove that each (rational) polyhedron of full dimension is determined by a unique minimal total dual integral system… Expand

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1981

1981

Schrijver has shown that any rational polyhedron is the solution set of a unique minimal integer TDI linear system. We… Expand

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