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- Miroslav Rozlozník, Valeria Simoncini
- SIAM J. Matrix Analysis Applications
- 2002

- Nikolai Elenkov Lazarov, Miroslav Rozlozník, Sebastian Reindl, Verónica Rey-Ares, Mathias Dutschmann, Manfred Gratzl
- The European journal of neuroscience
- 2006

Chemosensory information from peripheral arterial oxygen sensors in the carotid body is relayed by petrosal ganglion neurons to the respiratory networks in the medulla oblongata. Biogenic amines, including histamine, released from glomus (type I) cells of the carotid body are considered to be primary transmitters in hypoxic chemosensitivity.… (More)

- Christopher C. Paige, Miroslav Rozlozník, Zdenek Strakos
- SIAM J. Matrix Analysis Applications
- 2006

The generalized minimum residual method (GMRES) [Y. Saad and M. Schultz, SIAM J. Sci. Statist. Comput., 7 (1986), pp. 856–869] for solving linear systems Ax = b is implemented as a sequence of least squares problems involving Krylov subspaces of increasing dimensions. The most usual implementation is Modified Gram-Schmidt GMRES (MGS-GMRES). Here we show… (More)

- Jörg Liesen, Miroslav Rozlozník, Zdenek Strakos
- SIAM J. Scientific Computing
- 2002

- Miroslav Rozlozník, Gil Shklarski, Sivan Toledo
- ACM Trans. Math. Softw.
- 2011

We present a partitioned algorithm for reducing a symmetric matrix to a tridiagonal form, with partial pivoting. That is, the algorithm computes a factorization <i>PAPT</i> = <i>LTLT</i>, where, <i>P</i> is a permutation matrix, <i>L</i> is lower triangular with a unit diagonal and entries’ magnitudes bounded by 1, and <i>T</i> is symmetric and… (More)

- Miroslav Rozlozník, Julian F . R . Paton, Mathias Dutschmann
- American journal of physiology. Regulatory…
- 2009

Hallmarks of the mammalian diving response are protective apnea and bradycardia. These cardiorespiratory adaptations can be mimicked by stimulation of the trigeminal ethmoidal nerve (EN5) and reflect oxygen-conserving mechanisms during breath-hold dives. Increasing drive from peripheral chemoreceptors during sustained dives was reported to enhance the… (More)

- Pavel Jiránek, Miroslav Rozlozník, Martin H. Gutknecht
- SIAM J. Matrix Analysis Applications
- 2008

In this paper we analyze the numerical behavior of several minimum residual methods, which are mathematically equivalent to the GMRES method. Two main approaches are compared: the one that computes the approximate solution (similar to GMRES) in terms of a Krylov space basis from an upper triangular linear system for the coordinates, and the one where the… (More)

- Pavel Jiránek, Miroslav Rozlozník
- SIAM J. Matrix Analysis Applications
- 2007

- Walter Hemelryck, Miroslav Rozlozník, Peter Germonpre, Costantino Balestra, Pierre Lafère
- Diving and hyperbaric medicine
- 2013

INTRODUCTION
Measurement of inert gas narcosis and its degree is difficult during operational circumstances, hence the need for a reliable, reproducible and adaptable tool. Although being an indirect measure of brain function, if reliable, critical flicker fusion frequency (CFFF) could address this need and be used for longitudinal studies on cortical… (More)

- Sigrid Theunissen, Nicola Sponsiello, +4 authors Constantino Balestra
- Diving and hyperbaric medicine
- 2013

INTRODUCTION
Hyperoxia causes oxidative stress. Breath-hold diving is associated with transient hyperoxia followed by hypoxia and a build-up of carbon dioxide (CO₂), chest-wall compression and significant haemodynamic changes. This study analyses variations in plasma oxidative stress markers after a series of repetitive breath-hold dives.
METHODS
Thirteen… (More)