Results 31 to 40 of about 9,409 (89)

Regular star complements in strongly regular graphs [PDF]

open access: yes, 2012
We prove that, aside from the complete multipartite graphs and graphs of Steiner type, there are only finitely many connected strongly regular graphs with a regular star complement of prescribed degree s∈N.
Peter Rowlinson, Rowlinson, Peter
core   +1 more source

Results on Star Selection Principles and Weakenings of Normality in Psi-Spaces [PDF]

open access: yes, 2021
The first part of this dissertation is related with the theory of star selection principles. In particular, with the star and the strongly star versions of Menger, Hurewicz and Rothberger.
Garcia Balan, Sergio Atayan
core  

Star-Hurewicz and related properties

open access: yesApplied General Topology, 2004
We continue the investigation of star selection principles first considered. We are concentrated onto star versions of the Hurewicz covering property and star selection principles related to the classes of open covers which have been recently introduced.
M. Bonanzinga   +2 more
doaj   +1 more source

Co-cliques and star complements in extremal strongly regular graphs [PDF]

open access: yes, 2006
Suppose that the positive integer μ is the eigenvalue of largest multiplicity in an extremal strongly regular graph G. By interlacing, the independence number of G is at most 4μ2 + 4μ - 2.
Rowlinson, Peter   +2 more
core   +1 more source

PHANGS: constraining star formation time-scales using the spatial correlations of star clusters and giant molecular clouds

open access: yes, 2023
In the hierarchical view of star formation, giant molecular clouds (GMCs) undergo fragmentation to form small-scale structures made up of stars and star clusters.
Turner, Jordan A;Dale, Daniel A;Lilly, James;..., Hsi-An Pan et al.
core   +1 more source

The circle action on topological Hochschild homology of complex cobordism and the Brown–Peterson spectrum

open access: yesJournal of Topology, Volume 13, Issue 3, Page 939-968, September 2020., 2020
Abstract We specify exterior generators in π∗THH(MU)=π∗(MU)⊗E(λn′∣n⩾1) and π∗THH(BP)=π∗(BP)⊗E(λn∣n⩾1), and calculate the action of the σ‐operator on these graded rings. In particular, σ(λn′)=0 and σ(λn)=0, while the actions on π∗(MU) and π∗(BP) are expressed in terms of the right units ηR in the Hopf algebroids (π∗(MU),π∗(MU∧MU)) and (π∗(BP),π∗(BP∧BP)),
John Rognes
wiley   +1 more source

Overview of results from the STAR experiment at RHIC. [PDF]

open access: yes, 2003
The Relativistic Heavy-Ion Collider (RHIC) provides Au+Au collisions at energies up to {radical}s{sub NN} = 200 GeV. STAR experiment was designed and constructed to investigate the behavior of strongly interacting matter at high energy density.
STAR Collaboration   +2 more
core   +1 more source

Polarized emission from strongly magnetized sources [PDF]

open access: yes, 2023
Neutron Star Astrophysics at the Crossroads: Magnetars and the Multimessenger Revolution Proceedings IAU Symposium No. 363, 2023 E. Troja & M. G. Baring, eds. doi:10.1017/S174392132200028X Polarized emission from strongly magnetized sources Roberto
Suleimanov, Valery   +4 more
core   +1 more source

Bimodal Star Formation in Simulations of Strongly Magnetized Giant Molecular Clouds

open access: yes, 2023
We present the results of a set of radiation magnetohydrodynamic simulations of turbulent molecular clouds in which we vary the initial strength of the magnetic field within a range ($1 \lesssim \mu \lesssim 5$) consistent with observations of local ...
He, Chong-Chong   +2 more
core   +1 more source

Stabilization of Poincaré duality complexes and homotopy gyrations

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 5, May 2026.
Abstract Stabilization of manifolds by a product of spheres or a projective space is important in geometry. There has been considerable recent work that studies the homotopy theory of stabilization for connected manifolds. This paper generalizes that work by developing new methods that allow for a generalization to stabilization of Poincaré duality ...
Ruizhi Huang, Stephen Theriault
wiley   +1 more source

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