Low-rank binary matrix approximation is a generic problem where one seeks a good approximation of a binary matrix by another binary matrix with some specific properties. A good approximation means that the difference between the two matrices in some matrix norm is small. The properties of the approximation binary matrix could be: a small number of different columns, a small binary rank or a small Boolean rank. Unfortunately, most variants of these problems are NP-hard. Due to this, we initiate the systematic algorithmic study of low-rank binary matrix approximation from the perspective of parameterized complexity. We show in which cases and under what conditions the problem is fixed-parameter tractable, admits a polynomial kernel and can be...
Abstract. We consider the problem of approximating an affinely structured matrix, for example, a Han...
We study the frequent problem of approximating a target matrix with a matrix of lower rank. We provi...
The calculation of a low-rank approximation to a matrix is fundamental to many algorithms in compute...
We provide a number of algorithmic results for the following family of problems: For a given binary ...
We provide a randomized linear time approximation scheme for a generic problem about clustering of b...
We consider ₁-Rank-r Approximation over {GF}(2), where for a binary m× n matrix and a positive inte...
We consider ℓ1-Rank-r Approximation over GF(2), where for a binary m × n matrix A and a positive int...
Matrix low-rank approximation is intimately related to data modelling; a problem that arises frequen...
This thesis is focused on using low rank matrices in numerical mathematics. We introduce conjugate g...
Rank deficiency of a data matrix is equivalent to the existence of an exact linear model for the dat...
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matri...
Rank deficiency of a data matrix is equivalent to the existence of an exact linear model for the dat...
Weighted low-rank approximation (WLRA), a dimensionality reduction technique for data analysis, has ...
We consider the problem of computing low-rank approximations of matrices. The novel aspects of our a...
Weighted low-rank approximation (WLRA), a dimensionality reduction technique for data analysis, has ...
Abstract. We consider the problem of approximating an affinely structured matrix, for example, a Han...
We study the frequent problem of approximating a target matrix with a matrix of lower rank. We provi...
The calculation of a low-rank approximation to a matrix is fundamental to many algorithms in compute...
We provide a number of algorithmic results for the following family of problems: For a given binary ...
We provide a randomized linear time approximation scheme for a generic problem about clustering of b...
We consider ₁-Rank-r Approximation over {GF}(2), where for a binary m× n matrix and a positive inte...
We consider ℓ1-Rank-r Approximation over GF(2), where for a binary m × n matrix A and a positive int...
Matrix low-rank approximation is intimately related to data modelling; a problem that arises frequen...
This thesis is focused on using low rank matrices in numerical mathematics. We introduce conjugate g...
Rank deficiency of a data matrix is equivalent to the existence of an exact linear model for the dat...
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matri...
Rank deficiency of a data matrix is equivalent to the existence of an exact linear model for the dat...
Weighted low-rank approximation (WLRA), a dimensionality reduction technique for data analysis, has ...
We consider the problem of computing low-rank approximations of matrices. The novel aspects of our a...
Weighted low-rank approximation (WLRA), a dimensionality reduction technique for data analysis, has ...
Abstract. We consider the problem of approximating an affinely structured matrix, for example, a Han...
We study the frequent problem of approximating a target matrix with a matrix of lower rank. We provi...
The calculation of a low-rank approximation to a matrix is fundamental to many algorithms in compute...