Results 11 to 20 of about 579,977 (276)

Homotopy invariance of η-invariants [PDF]

open access: yesProceedings of the National Academy of Sciences, 1988
Intersection homology and results related to the higher signature problem are applied to show that certain combinations of η-invariants of the signature operator are homotopy invariant in various circumstances.
openaire   +2 more sources

Invariance property of a five matrix product involving two generalized inverses

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
Matrix expressions composed by generalized inverses can generally be written as f(A−1, A−2, . . ., A−k), where A1, A2, . . ., Ak are a family of given matrices of appropriate sizes, and (·)− denotes a generalized inverse of matrix.
Jiang Bo, Tian Yongge
doaj   +1 more source

CPT Violation Implies Violation of Lorentz Invariance [PDF]

open access: yes, 2002
An interacting theory that violates CPT invariance necessarily violates Lorentz invariance. On the other hand, CPT invariance is not sufficient for out-of-cone Lorentz invariance.
C. Bloch   +11 more
core   +3 more sources

INVARIANT HYPERSURFACES [PDF]

open access: yesJournal of the Institute of Mathematics of Jussieu, 2020
AbstractThe following theorem, which includes as very special cases results of Jouanolou and Hrushovski on algebraic $D$-varieties on the one hand, and of Cantat on rational dynamics on the other, is established: Working over a field of characteristic zero, suppose $\unicode[STIX]{x1D719}_{1},\unicode[STIX]{x1D719}_{2}:Z\rightarrow X$ are dominant ...
Jason Bell, Rahim Moosa, Adam Topaz
openaire   +3 more sources

Predictors of Marital Adjustment: Are There Any Differences Between Women and Men?

open access: yesEurope's Journal of Psychology, 2013
The purpose of this study was to explore if there are differences between women and men in relationships among family-of-origin, romantic attachment, and marital adjustment.
Antoaneta Andreea Muraru   +1 more
doaj   +1 more source

Free Fields Equations For Space-Time Algebras With Tensorial Momentum [PDF]

open access: yes, 2001
Free field equations, with various spins, for space-time algebras with second-rank tensor (instead of usual vector) momentum are constructed. Similar algebras are appearing in superstring/M theories.
Bars I.   +3 more
core   +3 more sources

Submorphemic iconicity in the lexicon: a diachronic approach to English ‘gn- words’

open access: yesLexis: Journal in English Lexicology, 2008
By applying a principle of submorphemic invariance to the word-initial segment gn- (phonologically /n/) in the heuristic class of English ‘gn- words’, I show that this segment functions as a ‘sublexical marker’ (), defined as a semiologically and ...
Dennis Philps
doaj   +1 more source

Neutrino telescope modelling of Lorentz invariance violation in oscillations of atmospheric neutrinos [PDF]

open access: yes, 2008
One possible feature of quantum gravity may be the violation of Lorentz invariance. In this paper, we consider one particular manifestation of the violation of Lorentz invariance, namely modified dispersion relations for massive neutrinos.
Brunner, J.   +3 more
core   +4 more sources

Invariant tracking [PDF]

open access: yesESAIM: Control, Optimisation and Calculus of Variations, 2004
Summary: The problem of invariant output tracking is considered: given a control system admitting a symmetry group \(G\), design a feedback such that the closed-loop system tracks a desired output reference and is invariant under the action of \(G\). Invariant output errors are defined as a set of scalar invariants of \(G\); they are calculated with ...
Martin, Philippe   +2 more
openaire   +1 more source

Neural Synchrony Gives Rise to Amplitude- and Duration-Invariant Encoding Consistent With Perception of Natural Communication Stimuli

open access: yesFrontiers in Neuroscience, 2020
When confronted with a highly variable environment, it remains poorly understood how neural populations encode and classify natural stimuli to give rise to appropriate and consistent behavioral responses. Here we investigated population coding of natural
Michael G. Metzen   +2 more
doaj   +1 more source

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