Results 1 to 10 of about 7,136,334 (313)

Parity as Z2 ‐valued spectral flow [PDF]

open access: yesBulletin of the London Mathematical Society, 2018
This note is about the topology of the path space of linear Fredholm operators on a real Hilbert space. Fitzpatrick and Pejsachowicz introduced the parity of such a path, based on the Leray–Schauder degree of a path of parametrices.
Nora Doll   +2 more
semanticscholar   +8 more sources

Spectral flow in 3D flat spacetimes [PDF]

open access: yesJournal of High Energy Physics, 2017
In this paper we investigate spectral flow symmetry in asymptotically flat spacetimes both from a gravity as well as a putative dual quantum field theory perspective.
R. Basu, S. Detournay, M. Riegler
semanticscholar   +10 more sources

Spectral flow for nonunital spectral triples [PDF]

open access: greenCanadian Journal of Mathematics, 2014
We prove two results about nonunital index theory left open in a previous paper. The first is that the spectral triple arising from an action of the reals on a ${{C}^{*}}$ -algebra with invariant trace satisfies the hypotheses of the nonunital local ...
Alan L. Carey   +4 more
semanticscholar   +7 more sources

Asymptotic spectral flow [PDF]

open access: yesMathematische Zeitschrift, 2022
In this paper we study the asymptotic behavior of the spectral flow of a one-parameter family $$\{D_s\}$$ { D s } of Dirac operators acting on the spinor bundle S twisted by a vector bundle E of rank k , with the parameter $$s\in [0,r]$$ s ∈ [ 0 , r ...
X. Dai, Yihan Li
semanticscholar   +4 more sources

THE OTHER SPECTRAL FLOW [PDF]

open access: yesModern Physics Letters A, 1996
Recently we showed that the spectral flow acting on the N=2 twisted topological theories gives rise to a topological algebra automorphism. Here we point out that the untwisting of that automorphism leads to a spectral flow on the untwisted N=2 super-conformal algebra which is different from the usual one.
Gato-Rivera, Beatriz   +1 more
openaire   +4 more sources

Spectral flow for pair compatible equipartitions [PDF]

open access: bronzeCommunications in Partial Differential Equations, 2021
We show that a recent spectral flow approach proposed by Berkolaiko–Cox–Marzuola for analyzing the nodal deficiency of the nodal partition associated to an eigenfunction can be extended to more general partitions.
Bernard Helffer   +1 more
openalex   +3 more sources

Sphalerons, spectral flow, and anomalies [PDF]

open access: yesJournal of Mathematical Physics, 2003
The topology of configuration space may be responsible in part for the existence of sphalerons. Here, sphalerons are defined to be static but unstable finite-energy solutions of the classical field equations. Another manifestation of the nontrivial topology of configuration space is the phenomenon of spectral flow for the eigenvalues of the Dirac ...
Klinkhamer, Frans R., Rupp, Christian
openaire   +4 more sources

Spectral flow cytometry identifies distinct nonneoplastic plasma extracellular vesicle phenotype in glioblastoma patients. [PDF]

open access: yesNeurooncol Adv, 2023
Background Glioblastoma (GBM) is the most common malignant brain tumor and has a poor prognosis. Imaging findings at diagnosis and in response to treatment are nonspecific. Developing noninvasive assays to augment imaging would be helpful.
Aibaidula AZ   +9 more
europepmc   +2 more sources

Multicompartmental analysis of the murine pulmonary immune response by spectral flow cytometry.

open access: yesAm J Physiol Lung Cell Mol Physiol, 2023
Studies of pulmonary inflammation require unique considerations due to the complex structure and composition of the lungs. The lungs have multiple compartments and diverse immune cell populations, with inherently high autofluorescence, and are involved ...
Chang MY   +4 more
europepmc   +2 more sources

Noncommutativity from spectral flow [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2007
31 pages, one Postscript ...
Heinzl, Thomas, Ilderton, Anton
openaire   +3 more sources

Home - About - Disclaimer - Privacy