Results 11 to 20 of about 2,062,268 (276)

Balancing for unstable nonlinear systems [PDF]

open access: yes, 1993
A previously obtained method of balancing for stable nonlinear systems is extended to unstable nonlinear systems. The similarity invariants obtained by the concept of LQG balancing for an unstable linear system can also be obtained by considering a past ...
Scherpen, J.M.A.
core   +11 more sources

Unstable Horizons [PDF]

open access: yes, 2002
We investigate some of the issues relating to the dynamical instability of general static spacetimes with horizons. Our paper will be partially pedagogical and partially exploratory in nature. After discussing the current understanding, we generalize the
Hubeny, Veronika E., Rangamani, Mukund
core   +2 more sources

Toward classifying unstable theories [PDF]

open access: yes, 1995
The paper deals with two issues: the existence of universal models of a theory T and related properties when cardinal arithmetic does not give this existence offhand.
Shelah, Saharon
core   +3 more sources

Light Unstable Sterile Neutrino [PDF]

open access: yes, 2001
The three massless active (doublet) neutrinos may mix with two heavy and one \underline {light} sterile (singlet) neutrinos so that the induced masses and mixings among the former are able to explain the present data on atmospheric and solar neutrino ...
C.J. Copi   +27 more
core   +4 more sources

Unstable resonator cavity semiconductor lasers [PDF]

open access: yes, 1985
GaAs heterostructure lasers with unstable resonator cavities were demonstrated for the first time with both curved mirrors fabricated by etching. Typical output powers of 0.35 W were observed in a stable, highly coherent lateral mode.
Lang, R.   +4 more
core   +1 more source

Anomalous Origin of a Stenosed Left Circumflex Coronary Artery in a Patient Presenting with Unstable Angina: A Case Report

open access: yesRomanian Journal of Internal Medicine, 2016
73 year-old man presented to our emergency department with complaint of retrosternal chest pain since 2 day and admitted with diagnosis of unstable angina.
Vakili Hossein   +3 more
doaj   +1 more source

Angina Pectoris - A general practice review: Part I

open access: yesSouth African Family Practice, 1989
No abstract available.
E.L. Murray
doaj   +1 more source

Horizontal fracture of the atlas – A rare but unstable C1 fracture

open access: yesJournal of Craniovertebral Junction and Spine, 2020
Horizontal fractures of the atlas are uncommon fractures associated with instability of the craniocervical junction. Most commonly associated with high-speed motor vehicle accidents, these fractures need to be identified and treated appropriately. Due to
Jennifer Brown, Ajay Hegde
doaj   +1 more source

Positive correlation between uric acid and C-reactive protein serum level in healthy individuals and patients with acute coronary syndrome [PDF]

open access: yesMedicinski Glasnik, 2015
Aim To assess serum levels and correlation between uric acid (UA) and C-reactive protein (CRP) in acute coronary syndrome (ACS) and apparently healthy individuals.
Emina Spahić   +4 more
doaj   +1 more source

New Formulas of Feedback Capacity for AGN Channels with Memory: A Time-Domain Sufficient Statistic Approach

open access: yesEntropy
Recently, several papers identified technical issues related to equivalent time-domain and frequency-domain “characterization of the n–block or transmission” feedback capacity formula and its asymptotic limit, the feedback capacity, of additive Gaussian ...
Charalambos D. Charalambous   +2 more
doaj   +1 more source

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