English
Related papers

Related papers: An example of algebraization of analysis and Fibon…

200 papers

Primary definitions, notation and general observations of finite fibonomial operator calculus (ffoc) are presented. Kwasniewski's combinatorial interpretation of fibonomial coefficients by the use of fibonacci cobweb poset is given. Some…

Combinatorics · Mathematics 2008-02-15 Ewa Krot

This is an indicatory presentation of main definitions and theorems of fibonomial calculus which is a special case of psi-extented rota's finite operator calculus.

Combinatorics · Mathematics 2008-02-15 Ewa Krot

The explicite formulas for Mobius function and some other important elements of the incidence algebra of an arbitrary cobweb poset are delivered. For that to do one uses Kwasniewski's construction of his cobweb posets . The digraph…

Combinatorics · Mathematics 2008-02-28 Ewa Krot-Sieniawska

The explicite formulas for m\"{o}biusien function and some other important elements of the incidence algebra are delivered. For that to do one uses kwa\'sniewski's construction of his fibonacci cobweb poset in the plane grid coordinate…

Combinatorics · Mathematics 2016-09-07 Ewa Krot

A calculus of sequences started by professor morgan ward constitutes the general scheme for extensions of classical operator calculus of the distinguished gian carlo rota considered by many afterwards and after ward morgan. Because of the…

History and Overview · Mathematics 2008-12-31 A. K. Kwasniewski

The characterization of fibonacci cobweb poset as d.a.g. and o.d.a.g. is given. The dim 2 poset such that its hasse diagram coincide with digraf of fibonacci cobweb poset is constructed.

Combinatorics · Mathematics 2008-02-09 Ewa Krot

We introduce a natural partial order in structurally natural finite subsets of the cobweb prefabs sets recently constructed by the present author. Whitney numbers of the second kind of the corresponding subposet which constitute Stirling…

Combinatorics · Mathematics 2008-02-15 A. Krzysztof Kwaśniewski

Cobweb posets uniquely represented by directed acyclic graphs are such a generalization of the Fibonacci tree that allows joint combinatorial interpretation for all of them under admissibility condition. This interpretation was derived in…

Combinatorics · Mathematics 2011-01-11 A. Krzysztof Kwasniewski , M. Dziemianczuk

At the first part of the paper we show how specific umbral extensions of the Stirling numbers of the second kind result in new type of Dobinski-like formulas. In the second part among others one recovers how and why Ward solution of…

Combinatorics · Mathematics 2016-09-07 A. K. Kwasniewski

A wardian calculus of sequences started almost seventy years ago constitutes the general scheme for extensions of the classical umbral operator calculus considered by many afterwards . At the same time this calculus is an example of the…

Combinatorics · Mathematics 2008-02-11 A. K. Kwasniewski , E. Borak

In order to be able to use methods of Universal Algebra for investigating posets, we assign to every pseudocomplemented poset, to every relatively pseudocomplemented poset and to every sectionally pseudocomplemented poset a certain algebra…

Rings and Algebras · Mathematics 2021-03-24 Ivan Chajda , Helmut Länger

Kwasniewski's cobweb posets uniquely represented by directed acyclic graphs are such a generalization of the Fibonacci tree that allows joint combinatorial interpretation for all of them under admissibility condition. This interpretation…

Combinatorics · Mathematics 2009-09-29 M. Dziemianczuk

This note is a response to one of problems posed by A.K. Kwasniewski in one of his recent papers. Namely for the sequence of finite cobweb subposets, the looked for explicit formulas for corresponding sequence of characteristic polynomials…

Combinatorics · Mathematics 2008-02-21 Ewa Krot-Sieniawska

The algebra of polynomials in operators that represent generalized coordinate and momentum and depend on the Planck constant is defined. The Planck constant is treated as the parameter taking values between zero and some nonvanishing $h_0$.…

Quantum Physics · Physics 2007-05-23 S. Prvanovic , Z. Maric

We establish an operator--theoretic correspondence between periodic Bernoulli kernels and Hermite polynomials, framed through the umbral calculus and a quantum analogy. Starting from the analytic master function $F^\ast$, the periodic…

General Mathematics · Mathematics 2025-09-22 Ken Nagai

Generalized orthomodular posets were introduced recently by D. Fazio, A. Ledda and the first author of the present paper in order to establish a useful tool for studying the logic of quantum mechanics. They investigated structural…

Logic · Mathematics 2020-09-14 Ivan Chajda , Helmut Länger

In addition to the three standard operations on posets which are dual of poset or ordinal and cardinal sums of partial ordered sets one adds the natural join of posets. This is especially natural natural join operation for graded posets…

Combinatorics · Mathematics 2009-09-30 A. Krzysztof Kwaśniewski

Composition operators with analytic symbols on some reproducing kernel Hilbert spaces of entire functions on a complex Hilbert space are studied. The questions of their boundedness, seminormality and positivity are investigated. It is…

Functional Analysis · Mathematics 2016-10-17 Jan Stochel , Jerzy B. Stochel

A class of extended umbral calculi in operator form is presented. Extensions of all basic theorems of classical Finite Operator Calculus are shown to hold. The impossibility of straightforward extending of quantum q-plane formulation of the…

Combinatorics · Mathematics 2015-06-26 A. K. Kwasniewski

The $\psi$-operator for $(\phi, \Gamma)$-modules plays an important role in the study of Iwasawa theory via Fontaine's big rings. In this note, we prove several sharp estimates for the $\psi$-operator in the cyclotomic case. These estimates…

Number Theory · Mathematics 2007-05-23 Daqing Wan
‹ Prev 1 2 3 10 Next ›