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math.CO2005
Characterization of the Fibonacci Cobweb Poset as oDAG
Ewa Krot
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 constr…
math.CO2005
An Introduction to Finite Fibonomial Calculus
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.
math.CO2004
Further developements in finite fibonomial calculus
Ewa Krot
Primary definitions, notation and general observations of finite fibonomial operator calculus (ffoc) are presented. Kwasniewski's combinatorial interpretation of fibonomial coeffic…
math.CO2004
A note on mobiusien function and mobiusien inversion formula of fibonacci cobweb poset
Ewa Krot
The explicit formula for mobiusien function of fibonacci cobweb poset P is given for the first time by the use of definition of P in plane grid coordinate system.