Báo cáo toán học: " On a Balanced Property of Derangements" pptx
Báo cáo toán học: " On a Balanced Property of Derangements" pptx
... number of descents, and [4] for some results on the number of excedances.
Finally, a- derangements are a special case of a class of permutations, namely the set
of all derangements of length n is a ...
Z(w)
q
D
n
(1)
q
=
D(n)
q
.
✸
3.3 a- derangements
Let us call a permutation p an a- derangement if each cycle of p is longer than a. So a
permutation is a 0-...
Báo cáo toán học: "On a Strange Recursion of Golomb" pptx
... Department of Mathematics
University of Toronto University of Toronto
Toronto, Canada M5S 1A1 Toronto, Canada M5S 1A1
barbeau@math.utoronto.ca tanny@math.utoronto.ca
Submitted: January 4, 1996; Accepted: ... 1.
From the relations among the initial conditions, and the fact that all these polynomials
satisfy the same recursion which obviously generates an increasing sequence, it follows...
Báo cáo toán học: "On a Strange Recursion of Golomb" ppsx
... t
exp
wzt
1+zt
,
where
L
(r)
w
(f)=
1
r!
w
r
∂
r
f
∂w
r
w=1
and Θ
w
: w
k
→ k!w
k
.
The combinatorial nature of the transformations leads one to ask whether combinatorial
objects and constructions exist for each expression so that one can obtain generalized
Stockhausen ... have all n non-terminal symbols, we give a combinatorial interpretation for the
transformation L
(r)
w
. Af...
Báo cáo toán học: "On a combinatorial problem of Asmus Schmidt" pps
... denominators of rational approximations to ζ(3). These
numbers satisfy a 2nd-order polynomial recursion discovered by R. Ap´ery in 1978, while
an analogous recursion (also 2nd-order and polynomial) ... supported by an Alexander von Humboldt research fellowship and partially supported
by grant no. 03-01-00359 of the Russian Foundation for Basic Research.
the electronic journal of combi...
Báo cáo toán học: " On a Partition Function of Richard Stanley" pptx
... dealing with partitions whose parts are all some
given N.Welet¯π be that partition made up of the parts of π that are <N. In light of
(11) we see that if N is a part of π an even number of ... R.P. Stanley, Problem 10969, Amer. Math. Monthly, 109 (2002), 760.
[5] R.P. Stanley, Some remarks on sign -balanced and maj -balanced posets (to appear).
the electronic journal of...
Báo cáo toán học: "On a new family of generalized Stirling and Bell numbers" pps
... con-
nection was rediscovered by Katriel [17] in connection with normal ordering expressions
in the bo son annihilation a and creation operator a
†
satisfying the commutation relation
aa
†
− a
†
a ... conventional Stirling number of
second kind find a simple analogue. For example, the interpretation of S(n, k) as a rook
number of a staircase Ferrers board generalizes in a...
Báo cáo toán học: "On a System of Semilinear Elliptic Equations on an Unbounded Domain" potx
... C. Evans, Partial Diff. Equations, American Math. Society, 1998.
5. C. Vargas an d M. Zuluaga, On a Nonlinear Dirichlet Problem Type at Resonance
and Bifurcation, Partial Differential Equations, ... 836–899.
3. G. Diaz, J. I. Diaz, and G. Barles, Uniqueness and continum of foliated solution
for a quasilinear elliptic equation with a non Lipschitz nonlinearity, Commun. In
Partial Diff....
Báo cáo toán học: "On the Asymptotic Behavior of Solutions of a Nonlinear Difference Equation with Bounded Multiple Delay" pptx
... discrete delay
models of population growth, J. Math. Anal. Appl. 305 (2005) 291–295.
4. I. Gy˝ori and G. Ladas and P. H. Vlahos, Global attraction in a delay difference
equation, Nonlin. Anal. 17 (1991) ... solution.
Vietnam Journal of Mathematics 34:2 (2006) 163–170
On the Asymptotic Behavior of Solutions
of a Nonlinear Difference Equation
with Bounded Multiple Delay
Dinh Cong Hu...
Báo cáo toán học: " On the Representation Categories of Matrix Quantum Groups of Type A" docx
... we construct a linear functional on M and
show that this linear functional attains a non-zero value at some element of
M. The construction of the linear functional resembles the integral on the ... Mannigfaltigkeiten”.
Representation Categories of Matrix Quantum Groups of Type A 363
3. Bi-Galois Extensions
Let A be a Hopf algebra over a field k.ArightA-comodule algebra...
Báo cáo toán học: " On a Probability Metric Based on Trotter Operator " ppsx
... the solution of a number of problems of probability theory the method of
distance function has attracted much attention and it has successfully been used
lately as Abramov [1], Butzer and Kirschfink ... Introduction
During the last several decades the probability metric approach has risen to
become one of the most important tools available for dealing with certain types
of large...
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