Báo cáo toán học: "Optimal Packings of 13 and 46 Unit Squares in a Square" pps
Báo cáo toán học: "Optimal Packings of 13 and 46 Unit Squares in a Square" pps
... packings of 13 and 46 squares are the trivial ones.
The study of packing unit squares into a square goes back to Erd˝os and Graham [2],
who showed that large numbers of unit squares can be packed ... consider two subcases:
the electronic journal of combinatorics 17 (2010), #R126 8
Optimal Packings of 13 and 46
Unit Squares in a Square
Wolfram Be...
Báo cáo toán học: " Selective preparation of zero- and onedimensional gold nanostructures in a TiO2 nanocrystal-containing photoactive mesoporous template" pdf
... gold nanoparticles
using a surfactant template. Adv Mater 2001, 13: 1389.
15. Kawamura G, Nogami M: Application of a conproportionation reaction to
a synthesis of shape-controlled gold nanoparticles. ... nanostructures [GNSs] were mainly obtained in the mesopores when a small amount of
TiO
2
-containing mesoporous SiO
2
-TiO
2
was used as a template, whereas the use of a...
Báo cáo toán học: "Dense Packings of Equal Disks in an Equilateral Triangle: From 22 to 34 and Beyond" pptx
... also obtained in which all disks are
Dense Packings of Equal Disks in an Equilateral
Triangle: From 22 to 34 and Beyond
R. L. Graham
B. D. Lubachevsky
AT&T Bell Laboratories,
Murray Hill, ... elastic disks. In the absence
of gravitation and friction, the disks move along straight lines, colliding with each other and the
region walls according to the standard laws of me...
Báo cáo toán học: "Dense Packings of Equal Spheres in a Cube" pps
... results of sphere packings in a cube and we display all optimal and best known
packings for 2 ≤ n ≤ 32. We show that contrary to the two-dimensional case, our billiard
algorithm and probably the earlier ... of packing n congruent spheres in a unit cube C was raised apparently in
1966 in [S1]. It is shown in that paper that any optimal configuration contains at lea...
Báo cáo toán học: " Improved labelling of DTPA- and DOTA-conjugated peptides and antibodies with In-111 in HEPES and MES buffer" ppt
...
DTPA-anti-CAIX and DOTA-anti-CAIX in 0.1-M NaAc, NH
4
Ac, MES and HEPES buffers.
Figure 4. Radiolabelling of DTPA-exendin-3 with
111
In. Radiolabelling of DTPA-exendin-
3 with
111
In at ... resulted in a SA that was
49 ± 1% of the maximum theoretical SA and was higher than the SA in acetate buffers (NaAc
22 ± 1% and NH
4
Ac 12 ± 1%). Similar results were obtai...
Báo cáo toán học: " Some Periodicity of Words and Marcus Contextual Grammars" ppsx
... Min Book Comp any, Taichung, Tai-
wan, 1991.
382 P´al D¨om¨osi, G´eza Horv´ath, Masami Ito, and Kayoko Shikishima-Tsuji
simplicity, if X = {a} ,thenwewritea, a
+
and a
∗
instead of {a} , {a}
+
and ... 1.3.
Vietnam Journal of Mathematics 34:4 (2006) 381–387
Some Periodicity of Words
and Marcus Contextual Grammars
*
P´al D¨om¨osi
1
,G´eza Horv´ath
1
, Masami Ito
2
,
and Kay...
Báo cáo toán học: " THE DISTRIBUTION OF DESCENTS AND LENGTH IN A COXETER GROUP" pps
... the remainder of the paper) is devoted to specializing Theorem
4 to compute generating functions for descents and length in all of the classical
finite and a ne Weyl groups, and certain families ... D´esarm´enien and D. Foata, The signed Eulerian numbers,Disc.Math99 (1992), 49-58.
[GG] A. M. Garsia and I. Gessel, Permutation statistics and partitions,Adv.inMath.31 (1979),
2...
Báo cáo toán học: "Optimal double-loop networks with non-unit steps" pptx
... Optimal double-loop networks with non -unit steps
∗
F. Aguil´o, E. Sim´o and M. Zaragoz a
Dept. de Matem`atica Aplicada IV
Universitat Polit`ecnica de Catalunya
C/. Jordi Girona 1-3
08034 Barcelona, ... work we give a characterization of nus integers and a method for finding
in nite families of nus integers is developed. Also the tight nus integers are classified.
As a conseque...
Báo cáo toán học: "Double crystals of binary and integral matrices" pot
... move in corresponding pair of columns of
the binary matrix while leaving the integral matrix unchanged, and that each upward
slide of a tableau entry results in applying an upward unit transfer in ... the interchange of a single pair of distinct
adjacent bits in a binary matrix; this will be vertical adjacent pair in the discussion
above, but for the cancellation...
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