AbstractNecessary and sufficient conditions for a one variable function to be the main diagonal of a Sheffer function are given and estimates are obtained for the number of Sheffer functions
With the aid of multivariate Sheffer-type polynomials and differ-ential operators, this paper provid...
AbstractEach surjective derivation on the algebra of formal power series can be given in a simple fo...
Sheffer’s work is about to turn 100 years after its publication. In reporting this important event, ...
AbstractNecessary and sufficient conditions for a one variable function to be the main diagonal of a...
AbstractA Sheffer function is a function which can produce by superposition all functions of a consi...
AbstractThe well-known relationship between linear functionals and Sheffer sequences is extended to ...
A partial operation f on a finite set A is called Sheffer if the partial algebra 〈A, f〉 is complete,...
With the aid of multivariate Sheffer-type polynomials and differential operators, this paper provide...
AbstractIn this paper, using the production matrix of an exponential Riordan array [g(t),f(t)], we g...
We give a complete classification of the factorial functions of Eulerian binomial posets. The factor...
For certain Sheffer sequences $(s_n)_{n=0}^\infty$ on $\mathbb C$, Grabiner (1988) proved that, for ...
AbstractWe give a complete classification of the factorial functions of Eulerian binomial posets. Th...
In 1939, I.M. Sheffer proved that every polynomial sequence belongs to one and only one type. Sheffe...
summary:We introduce the concept of Sheffer operation in ortholattices and, more generally, in latti...
We present combinatorial and analytical results concerning a Sheffer sequence with an exponential ge...
With the aid of multivariate Sheffer-type polynomials and differ-ential operators, this paper provid...
AbstractEach surjective derivation on the algebra of formal power series can be given in a simple fo...
Sheffer’s work is about to turn 100 years after its publication. In reporting this important event, ...
AbstractNecessary and sufficient conditions for a one variable function to be the main diagonal of a...
AbstractA Sheffer function is a function which can produce by superposition all functions of a consi...
AbstractThe well-known relationship between linear functionals and Sheffer sequences is extended to ...
A partial operation f on a finite set A is called Sheffer if the partial algebra 〈A, f〉 is complete,...
With the aid of multivariate Sheffer-type polynomials and differential operators, this paper provide...
AbstractIn this paper, using the production matrix of an exponential Riordan array [g(t),f(t)], we g...
We give a complete classification of the factorial functions of Eulerian binomial posets. The factor...
For certain Sheffer sequences $(s_n)_{n=0}^\infty$ on $\mathbb C$, Grabiner (1988) proved that, for ...
AbstractWe give a complete classification of the factorial functions of Eulerian binomial posets. Th...
In 1939, I.M. Sheffer proved that every polynomial sequence belongs to one and only one type. Sheffe...
summary:We introduce the concept of Sheffer operation in ortholattices and, more generally, in latti...
We present combinatorial and analytical results concerning a Sheffer sequence with an exponential ge...
With the aid of multivariate Sheffer-type polynomials and differ-ential operators, this paper provid...
AbstractEach surjective derivation on the algebra of formal power series can be given in a simple fo...
Sheffer’s work is about to turn 100 years after its publication. In reporting this important event, ...
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