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José L. Ramírez
Principal
Research papers
Teaching - Cursos Dictados
Notas de Clase
Students
Círculos Matemáticos
Semillero
Talks
Seminarios
Education
Packages (Mathematica)
OEIS Sequences
Links of interest - Paginas Recomendadas
Universidad Nacional de Colombia
Departamento de Matemáticas
José L. Ramírez
Principal
Research papers
Teaching - Cursos Dictados
Notas de Clase
Students
Círculos Matemáticos
Semillero
Talks
Seminarios
Education
Packages (Mathematica)
OEIS Sequences
Links of interest - Paginas Recomendadas
Universidad Nacional de Colombia
Departamento de Matemáticas
More
Principal
Research papers
Teaching - Cursos Dictados
Notas de Clase
Students
Círculos Matemáticos
Semillero
Talks
Seminarios
Education
Packages (Mathematica)
OEIS Sequences
Links of interest - Paginas Recomendadas
Universidad Nacional de Colombia
Departamento de Matemáticas
sEt partitions and permutations
Generalized Set Partitions, Permutations, and Combinatorial Sequences
Some positivities in Stirling arrays with higher level
with
A. Ahmia.
Mediterranean Journal of Mathematics
, 20(6) (2023), 1–16. (
pdf
,
web
)
New modular symmetric function and its applications: modular
s
-Stirling numbers
with
B. Abdelghafour, M. Ahmia, and D.
Villamizar
.
Bulletin of the Malaysian Mathematical Sciences Society
,
45 (2022),
1093–1109
. (
web
)
A combinatorial approach to the Stirling numbers of the first kind with higher level
with
T.
Komatsu
and
D.
Villamizar
.
Studia Scientiarum Mathematicarum Hungarica Combinatorics, Geometry and Topology.
58 (2021) , 293
–
307 (
web
)
On the r-derangements of type
B
with
I.
Mező
,
V.
Moll
, and D.
Villamizar
.
Online Journal of Analytic Combinatorics
,
16 (2021), #05.
(
web
,
pdf
)
A combinatorial approach to the generalized central factorial numbers
with
T.
Komatsu
and
D.
Villamizar
.
Mediterranean Journal of Mathematics
,
18(192) (2021)
1–14. (
web
)
Restricted r-Stirling numbers and their combinatorial applications,
with B.
Bényi
, M. Méndez, and T. Wakhare*.
Applied Mathematics and Computation
,
348
(2019), 186–205. (
web
,
arXiv
)
Some combinatorial identities of the r-Whitney-Eulerian numbers
.
with
T. Mansour, M. Shattuck, and S. Villamarín*.
Applicable Analysis and Discrete Mathematics
,
13(2019), 378--398.
pdf
A new approach to the r-Whitney numbers by using combinatorial differential calculus
with M. Méndez.
Acta Universitatis Sapientiae, Mathematicas,
11(2) (2019), 387--418.
The generalized t-Comtet numbers and some combinatorial applications
with H. Belbachir and C. Forero*.
Miskolc Mathematical Notes
, 20 (1)(2019), 99--114.
Some polynomials associated with the r-Whitney numbers
with C. Corcino, R. Corcino, I.
Mező
.
Proceedings - Mathematical Sciences (Springer)
,
128(27) (2018), 1-25
(
web
,
pdf
).
Some determinants involving incomplete Fubini numbers
with
T.
Komatsu
,
Analele Universitatii "Ovidius" Constanta - Seria Matematica
, 26(3) (2018), 143-170. (
web
)
The
r
-Bessel and restricted r-Bell numbers
with
J.-H.
Jung
and I.
Mező
.
The Australasian Journal of Combinatorics
,
70(2) (2018), 202–220. (
web
,
pdf
)
A generalization of the
r
-Whitney numbers of the second kind
with
T.
Mansour
and
M. Shattuck.
Journal of Combinatorics
,
8(1) (2017), 29–55.
(
web
,
pdf
).
Generalized poly-Cauchy and poly-Bernoulli numbers by using incomplete
r
-Stirling numbers
with
T.
Komatsu
,
Aequationes Mathematicae
.
91 (2017), 1055–1071.
(
web
,
pdf
)
Incomplete poly-Bernoulli numbers and incomplete poly-Cauchy numbers associated to the q-Hurwitz-Lerch Zeta function
with
T.
Komatsu
,
Mediterranean Journal of Mathematics
.
14 (2017), 1–19.
(
web
)
Some identities of the
r
-Whitney Numbers
with
I.
Mező
.
Aequationes Mathematicae
,
90(2) (2016), 393–406. (
web
,
pdf
)
Generalized r-Whitney numbers of the first kind
with
M. Shattuck.
Annales Mathematicae et Informaticae
,
46 (2016), 175--193. (
pdf
)
A
(p,q)
-analogue of the
r
-Whitney-Lah Numbers
with
M. Shattuck.
Journal of Integer Sequences
,
19 (2016), Article 16.5.6, 1–21.
(
web
,
pdf
).
The linear algebra of the
r
-Whitney matrices
with
I.
Mező
.
Integral Transforms and Special Functions
,
26(3) (2015), 213–225. (
web
,
pdf
)
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