Results 21 to 30 of about 200 (50)

The topological period-index problem over 6-complexes

open access: yes, 2013
By comparing the Postnikov towers of the classifying spaces of projective unitary groups and the differentials in a twisted Atiyah-Hirzebruch spectral sequence, we deduce a lower bound on the topological index in terms of the period, and solve the ...
Antieau, Benjamin, Williams, Ben
core   +1 more source

Connections on parahoric torsors over curves

open access: yes, 2017
We define parahoric $\cG$--torsors for certain Bruhat--Tits group scheme $\cG$ on a smooth complex projective curve $X$ when the weights are real, and also define connections on them. We prove that a $\cG$--torsor is given by a homomorphism from $\pi_1(X\
Balaji, Vikraman   +2 more
core   +1 more source

Purity for the Brauer group

open access: yes, 2018
A purity conjecture due to Grothendieck and Auslander--Goldman predicts that the Brauer group of a regular scheme does not change after removing a closed subscheme of codimension $\ge 2$.
Cesnavicius, Kestutis
core   +3 more sources

Monitoring Lesion Area Progression in Stargardt Disease: A Comparison of En Face Optical Coherence Tomography and Fundus Autofluorescence. [PDF]

open access: yesTransl Vis Sci Technol, 2023
Greenstein VC   +7 more
europepmc   +1 more source

Unramified Brauer group of the moduli spaces of PGLr(ℂ)-bundles over curves

open access: yesOpen Mathematics, 2014
Biswas Indranil   +2 more
doaj   +1 more source

The Brauer group of desingularization of moduli spaces of vector bundles over a curve

open access: yesOpen Mathematics, 2012
Biswas Indranil   +2 more
doaj   +1 more source

Antigenic and genetic characterization of influenza viruses isolated in Mozambique during the 2015 season. [PDF]

open access: yesPLoS One, 2018
Tivane A   +14 more
europepmc   +1 more source

Genotypic and phenotypic characterization of G6PD deficiency in Bengali adults with severe and uncomplicated malaria. [PDF]

open access: yesMalar J, 2017
Plewes K   +14 more
europepmc   +1 more source

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