Results 61 to 70 of about 414,974 (297)

Ding-同调模的稳定性(Stability of Ding homological modules)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2015
A homological characterization of the Ding projective dimensions of modules over arbitrary associative rings is give. Also, we prove that an iteration of the procedure used to define the Ding projective modules yields exactly the Ding projective modules.
WEIJie(魏杰), DONGJun(董珺)
doaj   +1 more source

Biphasic Clinical Course of Pediatric Cytomegalovirus‐Associated Immune Thrombocytopenia: Early Poor Treatment Response but Favorable Long‐Term Outcomes

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cytomegalovirus (CMV) is a recognized trigger of immune thrombocytopenia (ITP); however, its incidence and impact on disease course in children remain controversial. Therefore, we aimed to characterize the clinical course of pediatric patients with CMV‐associated ITP.
Oded Gilad   +9 more
wiley   +1 more source

Some products of commutators in an associative ring [PDF]

open access: yesInternational Journal of Algebra and Computation, 2019
Let [Formula: see text] be a unital associative ring and let [Formula: see text] be the two-sided ideal of [Formula: see text] generated by all commutators [Formula: see text] [Formula: see text] where [Formula: see text], [Formula: see text] [Formula: see text]. It has been known that, if either [Formula: see text] or [Formula: see text] is odd, then
Galina Deryabina, Alexei Krasilnikov
openaire   +4 more sources

Bone Mineral Density After Contemporary Treatment for Acute Lymphoblastic Leukaemia: A Matched Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Reduced bone mineral density (BMD) has been reported in survivors of childhood and young adult acute lymphoblastic leukaemia (ALL); however, data from cohorts treated with contemporary protocols and including matched controls remain limited.
Karen Schow Jensen   +10 more
wiley   +1 more source

Hereditary Radicals in Associative and Alternative Rings

open access: yes, 1965
In the first part of this paper we shall consider associative rings, pointing out where associativity is required. In the second part we shall consider not necessarily associative rings and in particular alternative rings.A property S of rings is said to
T. Anderson, A. Suliński, N. Divinsky
core   +1 more source

Chemotherapy for Spinal Cord Intramedullary Pediatric Low‐Grade Glioma—A Systematic Literature Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric intramedullary low‐grade gliomas (PIMLGGs) are rare neoplasms that present unique clinical and management challenges. Although surgery remains the primary tool for tissue diagnosis and decompression, complete gross‐total resection is frequently unfeasible due to the infiltrative nature of these lesions.
Olga M. Sergeenko   +5 more
wiley   +1 more source

Strict radical classes of associative rings

open access: yes, 1973
A class of rings is strongly hereditary if it is closed under taking subrings. Strict radical classes (that is, radical classes for which the class of semisimple rings is strongly hereditary) are studied, strongly hereditary strict radical classes are ...
Patrick N. Stewart
core   +1 more source

On the mapping xy→(xy)n in an associative ring

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
We consider the following condition (*) on an associative ring R:(*). There exists a function f from R into R such that f is a group homomorphism of (R,+), f is injective on R2, and f(xy)=(xy)n(x,y) for some positive integer n(x,y)>1. Commutativity and
Scott J. Beslin, Awad Iskander
doaj   +1 more source

On the associated graded ring of a group ring

open access: yesJournal of Algebra, 1968
In this paper we show that if the group ring KG of a group G over a field K is filtered by the powers of its augmentation ideal, then the associated graded ring is isomorphic to the universal enveloping algebra of the p-Lie algebra gr? G oz K, where gr?
openaire   +2 more sources

Associated graded rings and connected sums [PDF]

open access: yesCzechoslovak Mathematical Journal, 2019
arXiv admin note: text overlap with arXiv:1406 ...
Ananthnarayan, H.   +3 more
openaire   +3 more sources

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