Báo cáo toán học: "On Hypergraphs of Girth Five" pdf
Báo cáo toán học: "Unitary equivalence of restricted shifts " pdf
... class="bi x0 y0 w1 h 1" alt =""
Báo cáo toán học: "On restrictions of unbounded symmetric operators " pps
... class="bi x0 y0 w2 h 1" alt =""
Báo cáo toán học: "On Convergence of Two-Parameter Multivalued Pramarts and Mils" ppt
... On Convergence of Two-Parameter Multivalued Pramarts and Mils 39
7. F. Hiai and H. Umegaki, Integrables, conditional expectations and martingales
of multivalued functions, ... North-Holland, Amsterdam, 1975.
16. M. Talagrand, Some structure results for martingales in limit and pramarts, The
Ann. Prob. 13 (1975).
17. Z. Wang and X. Xue, On convergence and closednes...
Báo cáo toán học: " On Systems of Quasivariational Inclusion Problems of Type I and Related Problems" potx
... solution of one of the above systems, under some addi-
tional conditions, is also a solution of some other systems of quasi-optimization
problems, quasi-equilibrium problems, quasivariational problems ... some new results on the existence of
solutions to systems concerning the following quasivariational inclusions.
(UQVIP), Upper quasivariational inclusion problem...
Báo cáo toán học: "On Convergence of Vector-Valued Weak Amarts and Pramarts" doc
... Convergence of Vector-Valued Weak Amarts and Pramarts 181
The main aim of the note is to extend the result to weak amarts and pramarts
(cf. [5]) in P
1
(E). As a consequence, several versions of the ... On Convergence of Vector-Valued Weak Amarts and Pramarts 187
10. D. Q. Luu, On further classes of m artingale-like sequences and some decomposi-
tion and...
Báo cáo toán học: "Some Examples of ACS-Rings" pdf
... idempotent of S is of form (e, 0), where e
2
= e ∈ R.
Proposition 2.1. Let R be a commutative ring and I an ideal of R.LetS =
R ∝ I be the trivial extension of R by I.IfS is an ACS-ring, so is R.
Proof. ... Rr
R
(X)=l
R
(X) for any subset X of R
and that any idempotent of R is central.
(5) ⇔ (7). Note that l
R
(aR)=l
R
(RaR) for any a ∈ R.
(5) ⇔ (6). The proof is similar to that...
Báo cáo toán học: "On hypergraphs with every four points spanning at most two triples" ppsx
... 6), such that
every four points span 0 or 2 edges, has at most 10(m/6)
3
edges (their result is quite a bit
stronger, but this version suffices for our purposes). We will use this on subhypergraphs
of ... proving that a positive proportion of quadruples contribute
to q
1
. By (1) this immediately lowers the bound of 1/3. Our primary tool is a result of
Frankl and Făuredi [4] stating t...
Báo cáo toán học: "On Hypergraphs of Girth Five" pdf
... of a cycle or a union of cycles of the permutation π : x → 2x of Z
n
(the map is
a permutation since gcd(2,n) = 1). Only one cycle of D (and of π) has length 1, namely
{0}.Foreachm-cycle C of ... family of all k-cycles by
C
k
. For example, a 2-cycle consists of a pair of vertices and a pair of edges such that the
pair of vertices is a subset of each edge. The above...
Báo cáo toán học: "On Lengths of Rainbow Cycles" pptx
... show that the absence of
a rainbow n-cycle (again, with n odd) implies the absence of rainbow cycles of lengths
n
2
and 3n − 6.
However, the absence of a rainbow cycle of even length does not ... absence of rainbow
n-cycles and rainbow m-cycles implies the absence of rainbow (n + m − 2)-cycles. (For
example, by this fact alone, the absence of rainbow 3-cycl...
Báo cáo toán hoc:"On biembeddings of Latin squares" pdf
... each of which has a
parallel class in one colour. The proof depends on the construction of a biembedding of
a pair of Latin squares of side p, one of which has p
2
(p − 2)/8 subsquares of side ... biembeddings
of Latin squares where paratopic copies are a llowed, and statements about particular
realizations of Latin squares. For Latin squares A and A
′
with common...
Báo cáo toán học: "On convexity of polynomial paths and generalized majorizations" ppt
... a
l
).
4 Convexity lemma
In this section we give a short polynomial proof of the convexity lemma, which is the
crucial step in S´a-Thompson theorem [7, 10]. The original proofs of S´a and Thompson
were ... elementary but very long and does not involve the concept of convexity. Later on
shorter, combinatorial proof was given in [8].
Here we give the first purely polynomial pr...
Báo cáo toán học: "On sum of powers of the Laplacian and signless Laplacian eigenvalues of graphs" ppt
... A not e on sum of powers of the Laplacian
eigenvalues of bipartite graphs, Linear Algebra Appl. 430 (2009), 2503–2510.
[12] B. Zhou, On sum of powers of the Laplacian eigenvalues of graphs, Linear ... On sum of powers of the Laplacian and
signless Laplacian eigenvalues of graphs
Saieed Akbari
1,2
Ebrahim Ghorbani
1,2
Jacobus H. Koolen
3,4...
Báo cáo toán học: "On variants of Conway and Conolly’s Meta-Fibonacci recursions" potx
... still keep
hypothesis I for clarity of exposition in the proof.
the electronic journal of combinatorics 18 (2011), #P96 7
On variants of Conway and Conolly’s
Meta-Fibonacci recursions
Abraham ... Conolly, Fibonacci and Meta-Fibonacci sequences. in: S. Vajda. ed., Fibonacci
& Lucas Numbers and the Golden Section: Theory and Applications (1989), 127-139.
[2] C. Deug...
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