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1.
INDO-EUROPEANS AND WORDS OF COMMON ORIGINS FROM THE INDO-EUROPEAN LANGUAGES
Iva Starc, 2011, diplomsko delo

Opis: Indo–Europeans have had an important role throughout the history since they represent the most numerous language family in the world. Many scholars have been trying to explain their existence throughout past centuries. This has been causing them many problems since the evidence is rare. In the first part of diploma paper Indo–European languages spoken by various nations in Europe and in Asia are described. Then, as many other scholars, the diploma paper tries to find the homeland of Indo-Europeans and paths of their expansion. Later on Indo–European religion and culture are discussed. Indo–European languages influenced one–another and since English is one of many Indo–European languages, words of common origins from the Indo–European languages were looked for. The words were then divided into categories according to their meaning. The meaning and origins of the words are also provided.
Ključne besede: Indo–Europeans, homeland, expansion, culture, religion, common origins
Objavljeno: 07.09.2011; Ogledov: 1854; Prenosov: 93
.pdf Celotno besedilo (753,63 KB)

2.
Non-Newtonian fluid flow through a planar symmetric expansion: shear thickenning fluids
Primož Ternik, Jure Marn, Zoran Žunič, 2006, izvirni znanstveni članek

Opis: The incompressible non-Newtonian fluid flow through a symmetric sudden expansion is studied numerically in order to obtain Reynolds number critical value. The Quadratic model is employed to accommodate the shear-thickening behavior of corn-starch and water mixture. Numerical procedure is validated with results for the Newtonian fluid flow in a range of the Reynolds number Re=10,20,.,100. Results for the non-Newtonian fluid show that the shear-thickening behavior lowers the threshold of the transition from flow symmetry to its asymmetry (lowers the onset of the bifurcation and the critical value of the Reynolds number) and increases the reattachment length. In addition, the results for the Quadratic model are compared to the results obtained with the Power law.
Ključne besede: fluid mechanics, bifurcation, sudden expansion, shear thickenningfluid, quadratic model, powr law
Objavljeno: 31.05.2012; Ogledov: 980; Prenosov: 23
URL Povezava na celotno besedilo

3.
Volumetric properties of ethanol-water mixtures under high temperatures and pressures
Darja Pečar, Valter Doleček, 2005, izvirni znanstveni članek

Opis: The densities of ethanol and ethanol-water mixtures were measured with a vibrating tube densimeter at 25.0, 50.0 and 75.0°C in the pressure range from 0.10 to 40.00 MPa. Densities were correlated using an empirical model. Partial molar volumes, excess molar volumes, isothermal compressibilities, cubic expansion coefficients and internal pressures were calculated from obtained densities. This study reports the dependence of densities, partial molar volumes, excess molar volumes, isothermal compressibilities, cubic expansion coefficients and internal pressures on composition, temperature and pressure.
Ključne besede: ethanol, ethanol-water mixtures, density measurements, vibrating U tube densimeter, partial molar volumes, isothermal compressibility, isobaric expansibility, cubic expansion coefficient, internal pressure
Objavljeno: 01.06.2012; Ogledov: 1424; Prenosov: 52
URL Povezava na celotno besedilo

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Crossing graphs of fiber-complemented graphs
Boštjan Brešar, Aleksandra Tepeh, 2008, izvirni znanstveni članek

Opis: Grafi zastraženih inverzov tvorijo obsežno nedvodelno posplošitev medianskih grafov. Z uporabo določenega naravnega barvanja povezav, ki je porojeno z relacijo vzporednosti med predvlakni grafov zastraženih inverzov, vpeljemo križni graf grafa zastraženega inverza ▫$G$▫ kot graf, katerega vozlišča so barve, dve barvi pa sta sosednji, če se križata na kakem induciranem 4-ciklu v grafu ▫$G$▫. V članku pokažemo, da je graf zastraženega inverza 2-povezan natanko tedaj, ko je njegov križni graf povezan. Karakteriziramo tiste grafe zastraženih inverzov, ki imajo poln križni graf pa tudi tiste s tetivnim križnim grafom.
Ključne besede: matematika, teorija grafov, medianski grafi, zastražene množice, predvlakna, kartezični produkt grafov, ekspanzija, mathematics, graph theory, median graphs, gated sets, prefibers, kartezični produkti, expansion
Objavljeno: 10.07.2015; Ogledov: 440; Prenosov: 53
URL Povezava na celotno besedilo

6.
On the geodetic number of median graphs
Boštjan Brešar, Aleksandra Tepeh, 2008, izvirni znanstveni članek

Opis: Množica vozlišč ▫$S$▫ v grafu se imenuje geodetska množica, če vsako vozlišče tega grafa leži na kaki najkrajši poti med dvema vozliščema iz množice ▫$S$▫. V članku raziskujemo najmanjše geodetske množice medianskih grafov z ozirom na operacijo periferne ekspanzije. Spotoma obravnavamo geodetske množice medianskih prizem in karakteriziramo medianske grafe, ki imajo geodetsko množico velikosti 2.
Ključne besede: matematika, teorija grafov, medianski grafi, geodetsko število, geodetska množica, kartezični produkt grafov, ekspanzija, mathematics, graph theory, median graphs, geodetic number, geodetic set, Cartesian product, geodesic, expansion
Objavljeno: 10.07.2015; Ogledov: 334; Prenosov: 43
URL Povezava na celotno besedilo

7.
A charaterization of planar partial cubes
Iztok Peterin, 2008, izvirni znanstveni članek

Opis: V preteklih letih so bile opravljene mnoge raziskave delnih kock, kot tudi ravninskih grafov. V Članku predstavimo dodaten topološki pogoj k Chepoijevi ekspanziji za delne kocke, ki karakterizira ravninske delne kocke. Kot posledica so predstavljene karakterizacije nekaterih ravninskih podrazredov delnih kock.
Ključne besede: matematika, teorija grafov, delne kocke, ravninski grafi, ekspanzija, mathematics, graf theory, partial cubes, planar graphs, expansion
Objavljeno: 10.07.2015; Ogledov: 255; Prenosov: 17
URL Povezava na celotno besedilo

8.
Universal decomposition rule for OBDD, OFDD, and 0-sup-BDD
Robert Meolic, Zmago Brezočnik, 2016

Opis: Binary decision diagram (BDD) is a very successful data structure for representation and manipulation of Boolean functions. Various BDD types have been proposed. In this paper relations between OBDD, OFDD, and 0-sup-BDD are shown in a new way. An universal decomposition rule for them is introduced. Using this rule a set of 288 BDD types is defined together with their minimization rules. NOTE: This is a revisited and translated version of the paper: "Splošno razčlenitveno pravilo za OBDD, OFDD in 0-sup-BDD". In Proceedings of the Fifth Electrotechnical and Computer Science Conference ERK'96, Portorož, Slovenia, volume B, pages 11-14, September 1996.
Ključne besede: Binary Decision Diagram, Shannon's expansion, Reed–Muller expansion, Davio expansion, Digital Circuit Design
Objavljeno: 12.10.2016; Ogledov: 660; Prenosov: 48
.pdf Celotno besedilo (235,92 KB)

9.
Tree-like isometric subgraphs of hypercubes
Boštjan Brešar, Wilfried Imrich, Sandi Klavžar, 2003, izvirni znanstveni članek

Opis: Tree-like isometric subgraphs of hypercubes, or tree-like partial cubes as we call them, are a generalization of median graphs. Just as median graphs they capture numerous properties of trees, but may contain larger classes of graphs that may be easier to recognize than the class of median graphs. We investigate the structure of tree-like partial cubes, characterize them, and provide examples of similarities with trees and median graphs. For instance, we show that the cube graph of tree-like partial cube is dismantlable. This in particular implies that every tree-like partial cube ▫$G$▫ contains a cube that is invariant under every automorphism of ▫$G$▫. We also show that weak retractions preserve tree-like partial cubes, which in turn implies that every contraction of a tree-like partial cube fixes a cube. The paper ends with several Frucht-type results and a list of open problems.
Ključne besede: mathematics, graph theory, Isometric embeddings, partial cubes, expansion procedures, trees, median graphs, graph automorphisms, automorphism groups, dismantlable graphs
Objavljeno: 31.03.2017; Ogledov: 493; Prenosov: 177
.pdf Celotno besedilo (135,80 KB)
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10.
A charaterization of planar median graphs
Iztok Peterin, 2006, izvirni znanstveni članek

Opis: Median graphs have many interesting properties. One of them is-in connection with triangle free graphs-the recognition complexity. In general the complexity is not very fast, but if we restrict to the planar case the recognition complexity becomes linear. Despite this fact, there is no characterization of planar median graphs in the literature. Here an additional condition is introduced for the convex expansion procedure that characterizes planar median graphs.
Ključne besede: mathematics, graf theory, median graphs, planar graphs, expansion
Objavljeno: 31.03.2017; Ogledov: 220; Prenosov: 170
.pdf Celotno besedilo (137,39 KB)
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