Hjálmtyr Hafsteinsson

According to our database, Hjálmtyr Hafsteinsson authored at least 9 papers between 1988 and 2013.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2013

Haptic cues as a utility to perceive and recognise geometry.

Yayoi Shimomura, Ebba Thora Hvannberg, Hjálmtyr Hafsteinsson

Univers. Access Inf. Soc., 2013

2010

Accessibility of audio and tactile interfaces for young blind people performing everyday tasks.

Yayoi Shimomura, Ebba Thora Hvannberg, Hjálmtyr Hafsteinsson

Univers. Access Inf. Soc., 2010

1995

Efficient Sparse Cholesky Factorization on a Massively Parallel SIMD Computer.

Fredrik Manne, Hjálmtyr Hafsteinsson

SIAM J. Sci. Comput., 1995

Approximating Treewidth, Pathwidth, Frontsize, and Shortest Elimination Tree.

Hans L. Bodlaender, John R. Gilbert, Hjálmtyr Hafsteinsson, Ton Kloks

J. Algorithms, 1995

1994

Solving Large Scale Linear Programming Problems Using an Interior Point Method on a Massively Parallel Simd Computer.

Hjálmtyr Hafsteinsson, Roni Levkovitz, Gautam Mitra

Parallel Algorithms Appl., 1994

1991

Approximating Treewidth, Pathwidth, and Minimum Elimination Tree Height.

Hans L. Bodlaender, John R. Gilbert, Ton Kloks, Hjálmtyr Hafsteinsson

Proceedings of the 17th International Workshop, 1991

1990

Parallel symbolic factorization of sparse linear systems.

John R. Gilbert, Hjálmtyr Hafsteinsson

Parallel Comput., 1990

1988

Parallel Sparse Cholesky Factorization.

Hjálmtyr Hafsteinsson

PhD thesis, 1988

Parallel Solution of Space Linear Systems.

John R. Gilbert, Hjálmtyr Hafsteinsson

Proceedings of the SWAT 88, 1988