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Showing 1 to 12 of 47 entries
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Onset of chaos in a single-phase power electronic inverter.

Chaos (Woodbury, N.Y.)

Avrutin V, Mosekilde E, Zhusubaliyev ZT, Gardini L.
PMID: 25933662
Chaos. 2015 Apr;25(4):043114. doi: 10.1063/1.4918299.

Supported by experiments on a power electronic DC/AC converter, this paper considers an unusual transition from the domain of stable periodic dynamics (corresponding to the desired mode of operation) to chaotic dynamics. The behavior of the converter is studied...

Loss of coherence in a system of globally coupled maps.

Physical review. E, Statistical, nonlinear, and soft matter physics

Popovych O, Maistrenko Y, Mosekilde E.
PMID: 11497675
Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Aug;64(2):026205. doi: 10.1103/PhysRevE.64.026205. Epub 2001 Jul 17.

We study the formation of symmetric (i.e., equally sized) or nearly symmetric clusters in an ensemble of globally coupled, identical chaotic maps. It is shown that the loss of synchronization for the coherent state and the emergence of subgroups...

Bimodal oscillations in nephron autoregulation.

Physical review. E, Statistical, nonlinear, and soft matter physics

Sosnovtseva OV, Pavlov AN, Mosekilde E, Holstein-Rathlou NH.
PMID: 12513320
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Dec;66(6):061909. doi: 10.1103/PhysRevE.66.061909. Epub 2002 Dec 20.

The individual functional unit of the kidney (the nephron) displays oscillations in its pressure and flow regulation at two different time scales: fast oscillations associated with a myogenic dynamics of the afferent arteriole, and slower oscillations arising from a...

Stationary space-periodic structures with equal diffusion coefficients.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Andresén P, Bache M, Mosekilde E, Dewel G, Borckmanns P.
PMID: 11969763
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Jul;60(1):297-301. doi: 10.1103/physreve.60.297.

The paper investigates a chemical reaction-diffusion model in an open flow system. It is shown that such a system may, with particular boundary conditions, exhibit stationary space-periodic structures even in the case of equal diffusion coefficients. This is confirmed...

Desynchronization of chaos in coupled logistic maps.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Maistrenko YL, Maistrenko VL, Popovych O, Mosekilde E.
PMID: 11970087
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Sep;60(3):2817-30. doi: 10.1103/physreve.60.2817.

When identical chaotic oscillators interact, a state of complete or partial synchronization may be attained in which the motion is restricted to an invariant manifold of lower dimension than the full phase space. Riddling of the basin of attraction...

Synchronization phenomena in nephron-nephron interaction.

Chaos (Woodbury, N.Y.)

Holstein-Rathlou NH, Yip KP, Sosnovtseva OV, Mosekilde E.
PMID: 12779477
Chaos. 2001 Jun;11(2):417-426. doi: 10.1063/1.1376398.

Experimental data for tubular pressure oscillations in rat kidneys are analyzed in order to examine the different types of synchronization that can arise between neighboring functional units. For rats with normal blood pressure, the individual unit (the nephron) typically...

Trabecular bone structure and strength - remodelling and repair.

Journal of musculoskeletal & neuronal interactions

Mosekilde L, Ebbesen EN, Tornvig L, Thomsen JS.
PMID: 15758521
J Musculoskelet Neuronal Interact. 2000 Sep;1(1):25-30.

The strength of the spinal trabecular bone declines by a factor of 4-5 from the age of 20 to 80 years. At the same time, the volumetric (apparent) density declines by a factor of only 2. This discrepancy can...

PTH and interactions with bisphosphonates.

Journal of musculoskeletal & neuronal interactions

Gasser JA, Kneissel M, Thomsen JS, Mosekilde L.
PMID: 15758526
J Musculoskelet Neuronal Interact. 2000 Sep;1(1):53-6.

We report that a therapeutic dose of the antiresorptive bisphosphonate alendronate administered to skeletally mature rats for the duration of 16 weeks significantly blunted the anabolic response to a high dose SDZ PTS 893 in the tibia and femur...

Simvastatin does not affect vitamin d status, but low vitamin d levels are associated with dyslipidemia: results from a randomised, controlled trial.

International journal of endocrinology

Rejnmark L, Vestergaard P, Heickendorff L, Mosekilde L.
PMID: 20016680
Int J Endocrinol. 2010;2010:957174. doi: 10.1155/2010/957174. Epub 2009 Jul 21.

Objectives. Statin drugs act as inhibitors of the 3-hydroxy-3methylglutaryl coenzyme A (HMG-CoA) reductase enzyme early in the mevalonate pathway, thereby reducing the endogenous cholesterol synthesis. In recent studies, it has been suggested from epidemiological data that statins also may...

Phase-locking regions in a forced model of slow insulin and glucose oscillations.

Chaos (Woodbury, N.Y.)

Sturis J, Knudsen C, O'Meara NM, Thomsen JS, Mosekilde E, Van Cauter E, Polonsky KS.
PMID: 12780173
Chaos. 1995 Mar;5(1):193-199. doi: 10.1063/1.166068.

We present a detailed numerical investigation of the phase-locking regions in a forced model of slow oscillations in human insulin secretion and blood glucose concentration. The bifurcation structures of period 2pi and 4pi tongues are mapped out and found...

Localized structures and front propagation in the Lengyel-Epstein model.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Borckmans P, Dewel G, Jensen O, Mosekilde E, Pannbacker VO.
PMID: 9962032
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1994 Aug;50(2):736-749. doi: 10.1103/physreve.50.736.

No abstract available.

Emergence of quasiperiodicity in symmetrically coupled, identical period-doubling systems.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Mosekilde E, Reick C.
PMID: 9963561
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1995 Aug;52(2):1418-1435. doi: 10.1103/physreve.52.1418.

No abstract available.

Showing 1 to 12 of 47 entries