Results 1 to 10 of about 9,805 (161)

Zeros of Primitive Characters in Solvable Groups

open access: yesJournal of Algebra, 1999
Let \(G\) be a finite group and \(p\) a prime. According to Theorem 2.1, if \(\chi\) is a character of \(G\) of \(p'\)-degree, then \(\chi(x)\neq 0\) for each \(x\in G\) such that \(o(x)\) is a power of \(p\). The author asks: Can irreducible characters of \(G\) of \(p\)-power degree vanish on elements of \(p'\)-order?
Gabriel Navarro
exaly   +3 more sources

Prime characters and factorizations of quasi-primitive characters

open access: yesMathematische Zeitschrift, 1985
The authors introduce the notion of prime characters as well as of an admissible set of prime characters. By means of these concepts new results on quasi-primitive irreducible characters are obtained. We define these first. A character \(\chi\) of G is a prime character if \(\chi\) is non-linear, irreducible, quasi-primitive, \(M^*_ G(\chi)\) is ...
Pamela A Ferguson   +2 more
exaly   +2 more sources

Finite Groups Having Monolithic Characters of Prime Degree

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021
Let G be a finite group. An irreducible character χ is called monolithic when the factor group G/ker⁡(χ) has unique minimal normal subgroup. In this paper, we prove that for the smallest prime q dividing the order of G if G has a faithful imprimitive ...
Temha Erkoç, Burcu Çınarcı
doaj   +1 more source

Zeros of Primitive Characters

open access: yesJournal of Mathematical Study, 2022
Summary: Let \(G\) be a finite group. An irreducible character \(\chi\) of \(G\) is said to be primitive if \(\chi \neq \vartheta^G\) for any character \(\vartheta\) of a proper subgroup of \(G\). In this paper, we consider about the zeros of primitive characters.
Wang, Wenyang, Du, Ni
openaire   +2 more sources

Cord Blood Plasma and Placental Mesenchymal Stem Cells-Derived Exosomes Increase Ex Vivo Expansion of Human Cord Blood Hematopoietic Stem Cells While Maintaining Their Stemness

open access: yesCells, 2023
Background: Mesenchymal stem cells (MSCs) have been used for ex vivo expansion of umbilical cord blood (UCB) hematopoietic stem cells (HSCs) to maintain their primitive characters and long-term reconstitution abilities during transplantation. Therapeutic
Rasha S. Teleb   +17 more
doaj   +1 more source

The outstanding suction-feeder Marcopoloichthys furreri new species (Actinopterygii) from the Middle Triassic Tethys Realm of Europe and its implications for early evolution of neopterygian fishes [PDF]

open access: yesFossil Record, 2022
Marcopoloichthys furreri sp. nov., a small scaleless fish from the Ladinian of Switzerland, is described based on ten well preserved specimens, which provide outstanding morphological information, allowing the re-study of the family and generic diagnoses
Gloria Arratia
doaj   +3 more sources

The cranial endocast of Dipnorhynchus sussmilchi (Sarcopterygii: Dipnoi) and the interrelationships of stem-group lungfishes [PDF]

open access: yesPeerJ, 2016
The first virtual cranial endocast of a lungfish from the Early Devonian, Dipnorhynchus sussmilchi, is described. Dipnorhynchus, only the fourth Devonian lungfish for which a near complete cranial endocast is known, is a key taxon for clarifying ...
Alice M. Clement   +3 more
doaj   +2 more sources

The Sum of a Finite Group of Weights of a Hopf Algebra

open access: yesAxioms, 2012
Motivated by the orthogonality relations for irreducible characters of a finite group, we evaluate the sum of a finite group of linear characters of a Hopf algebra, at all grouplike and skew-primitive elements.
Apoorva Khare
doaj   +1 more source

Permutable Cut-and-Choose Oblivious Transfer and Its Application

open access: yesIEEE Access, 2020
Oblivious transfer (OT) is a significant primitive with wide use in secure two-party computation, private set intersection private and other cryptographic schemes.
Xiaochao Wei   +3 more
doaj   +1 more source

Morpho-anatomical characters of the achene in certain species of sub-family Rosoideae (Rosaceae), a comparative study [PDF]

open access: yesTaeckholmia, 2001
The morpho-anatomical characters of 18 species belonging to six genera of sub-family Rosoideae wereinvestigated. The anatomical characters of both the pericarp and testa were found to be impracticable for speciesdelimitation since they are consistent at ...
Abd El-Salam Al- Nowaihi, Magdy Mourad
doaj   +1 more source

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