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Productivity numbers in topological spaces
Cardinal numbers are described at which productivity of certain classes of topological spaces jumps to a new value. They coincide with submeasurable cardinals....
BA - Obecná matematika
- 2005 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Topological lower bounds for the chromatic number: A hierarchy
We compare and analyze existing topological proofs of Kneser's conjecture and general lower bounds for the chromatic number of graphs implied by them. We show that these lower bounds are ordered almost linearly by strength....
BA - Obecná matematika
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
On a topology on the grid
A topology is defined on the set of lattice points with integer coefficients. Topological properties are investigated using number theoretic tools......
BA - Obecná matematika
- 2000 •
- D
Rok uplatnění
D - Stať ve sborníku
Enumeration of simple complete topological graphs
We prove that the number of isomorphism classes of simple complete topological graphs on n vertices is 2^{Theta(n^4)}. We also show that the number of weak isomorphism classes of simple complete topological graphs ...
BA - Obecná matematika
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Enumeration of simple complete topological graphs
We determine lower and upper bounds on the number of isomorphism and weak isomorphism classes of simple complete topological graphs.
BA - Obecná matematika
- 2007 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Random Topology Generator
Random Topology Generator uses the Wolfram Mathematica internal generator of pseudo-random numbers for simulation of random choice of a topology on a given finite set. The implemented algorithm ensures that all choices of e...
BA - Obecná matematika
- 2013 •
- R •
- Link
Rok uplatnění
R - Software
Výsledek na webu
Topological entropy for impulsive differential equations
Nielsen number (which is in difference to topological entropy a homotopy invariant) can be used there effectively for the lower estimate of topological entropyA positive topological entropy is examined for impulsi...
Pure mathematics
- 2020 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Application of Passive Optical Network with Optimized Bus Topology for Local Backbone Data Network
This article proposes an innovative application of passive optical networks with optimized bus topology for local backbone data networks. We present mathematical apparatus for calculating of the maximum number of splits and the ...
JA - Elektronika a optoelektronika, elektrotechnika
- 2011 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Thermodynamic topology of Kerr-Sen black holes via Renyi statistics
. Interestingly, although the nonextensive parameter lambda changes the topological number consistent under both GB and Renyi statistics. In addition, the topological numbersIn the present study, we investigate the...
Astronomy (including astrophysics,space science)
- 2024 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Prague Topological Symposium TOPOSYM 2011
Prague Topological Symposium, known as TOPOSYM is organized in Prague since 1961 in five year cycles.The conference program covered a wide range of contemporary general topology and attracted a number of scientists from the...
BA - Obecná matematika
- 2011 •
- M •
- Link
Rok uplatnění
M - Uspořádání konference
Výsledek na webu
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