Results 131 to 140 of about 159,564 (166)

Extensions Of Umbral Calculus II: Double Delta Operators, Leibniz Extensions And Hattori-Stong Theorems

open access: yes, 1995
. We continue our programme of extending the Roman-Rota umbral calculus to the setting of delta operators over a graded ring E with a view to applications in algebraic topology and the theory of formal group laws.
Francis Clarke, John Hunton, Nigel Ray
core  

Superstatistics in nanoscale electrochemical systems. [PDF]

open access: yesProc Natl Acad Sci U S A, 2011
García-Morales V, Krischer K.
europepmc   +1 more source

The umbral calculus

open access: yesAdvances in Mathematics, 1978
Roman, Steven M, Rota, Gian-Carlo
openaire   +1 more source

Umbral methods and generalized Bessel functions

open access: yes
The umbral methods are originated from operational calculus. The umbraloperational methods play an important role in simplifying the theory of special functions.
G. Dattoli   +3 more
core  

Baxter Algebras and Umbral Calculus

open access: yes, 2004
We apply recent constructions of free Baxter algebras to the study of the umbral calculus. We give a characterization of the umbral calculus in terms of Baxter algebra. This characterization leads to a natural generalization of the umbral calculus that include the classical umbral calculus in a family of $λ$-umbral calculi parameterized by $λ$ in the ...
openaire   +2 more sources

Extensions of umbral calculus II: double delta operators and Hattori-Stong theorems

open access: yes, 1995
. We continue our programme of extending the Roman-Rota umbral calculus to the setting of delta operators over a graded ring E∗ with a view to applications in algebraic topology and the theory of formal group laws. We concentrate on the situation where E
Francis Clarke, John Hunton, Nigel Ray
core  

The theory of the umbral calculus III

open access: yesJournal of Mathematical Analysis and Applications, 1982
openaire   +4 more sources

Genomic diversity of uropathogenic Escherichia coli in clinical isolates from six latin american countries, 2018-2023. [PDF]

open access: yesRev Peru Med Exp Salud Publica
Caballero F   +17 more
europepmc   +1 more source

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