Results 181 to 190 of about 2,666 (229)

Higher Structure of Chiral Symmetry. [PDF]

open access: yesCommun Math Phys
Copetti C   +3 more
europepmc   +1 more source

Transition from neonatal to paediatric intensive care of very preterm-born children: a cohort study of children born between 2013 and 2018 in England and Wales. [PDF]

open access: yesArch Dis Child Fetal Neonatal Ed
van Hasselt TJ   +8 more
europepmc   +1 more source

Neonatal Morbidities and Hospitalization in the First 2 Years of Life Among Infants Born Very Preterm. [PDF]

open access: yesJAMA Netw Open
van Hasselt TJ   +7 more
europepmc   +1 more source

Isometries of Spacetimes Without Observer Horizons. [PDF]

open access: yesCommun Math Phys
García-Heveling L, Zeghib A.
europepmc   +1 more source

Solitary subgroups of Abelian groups

open access: yesExpositiones Mathematicae, 2021
A subgroup \(K\) of an abelian group \(G\) is called solitary if \(G\) contains no other subgroup isomorphic to \(K\). The paper is dedicated to the study of solitary subgroups for some important classes of abelian groups. Complete descriptions are presented in Theorem 3 and Theorem 4.
Călugăreanu, Grigore   +1 more
openaire   +4 more sources

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