Examples and Preliminaries | p. 1 |
A Jigsaw Puzzle | p. 1 |
A Geometrical Example | p. 4 |
The Set of Linear Orders | p. 6 |
The Set of Partial Orders | p. 7 |
An Isometric Subgraph of Z2+n | p. 8 |
Learning Spaces | p. 10 |
A Genetic Mutations Scheme | p. 11 |
Notation and Conventions | p. 12 |
Historical Note and References | p. 17 |
Problems | p. 19 |
Basic Concepts | p. 23 |
Token Systems | p. 23 |
Axioms for a Medium | p. 24 |
Preparatory Results | p. 27 |
Content Families | p. 29 |
The Effective Set and the Producing Set of a State | p. 30 |
Orderly and Regular Returns | p. 31 |
Embeddings, Isomorphisms and Submedia | p. 34 |
Oriented Media | p. 36 |
The Root of an Oriented Medium | p. 38 |
An Infinite Example | p. 39 |
Projections | p. 40 |
Problems | p. 45 |
Media and Well-graded Families | p. 49 |
Wellgradedness | p. 49 |
The Grading Collection | p. 52 |
Wellgradedness and Media | p. 54 |
Cluster Partitions and Media | p. 57 |
An Application to Clustered Linear Orders | p. 62 |
A General Procedure | p. 68 |
Problems | p. 68 |
Closed Media and U-Closed Families | p. 73 |
Closed Media | p. 73 |
Learning Spaces and Closed Media | p. 78 |
Complete Media | p. 80 |
Summarizing a Closed Medium | p. 83 |
U-Closed Families and their Bases | p. 86 |
Projection of a Closed Medium | p. 94 |
Problems | p. 98 |
Well-Graded Families of Relations | p. 101 |
Preparatory Material | p. 102 |
Wellgradedness and the Fringes | p. 103 |
Partial Orders | p. 106 |
Biorders and Interval Orders | p. 107 |
Semiorders | p. 110 |
Almost Connected Orders | p. 114 |
Problems | p. 119 |
Mediatic Graphs | p. 123 |
The Graph of a Medium | p. 123 |
Media Inducing Graphs | p. 125 |
Paired Isomorphisms of Media and Graphs | p. 130 |
From Mediatic Graphs to Media | p. 132 |
Problems | p. 136 |
Media and Partial Cubes | p. 139 |
Partial Cubes and Mediatic Graphs | p. 139 |
Characterizing Partial Cubes | p. 142 |
Semicubes of Media | p. 149 |
Projections of Partial Cubes | p. 151 |
Uniqueness of Media Representations | p. 154 |
The Isometric Dimension of a Partial Cube | p. 158 |
Problems | p. 159 |
Media and Integer Lattices | p. 161 |
Integer Lattices | p. 161 |
Defining Lattice Dimension | p. 162 |
Lattice Dimension of Finite Partial Cubes | p. 167 |
Lattice Dimension of Infinite Partial Cubes | p. 171 |
Oriented Media | p. 172 |
Problems | p. 174 |
Hyperplane arrangements and their media | p. 177 |
Hyperplane Arrangements and Their Media | p. 177 |
The Lattice Dimension of an Arrangement | p. 184 |
Labeled Interval Orders | p. 186 |
Weak Orders and Cubical Complexes | p. 188 |
Problems | p. 196 |
Algorithms | p. 199 |
Comparison of Size Parameters | p. 199 |
Input Representation | p. 202 |
Finding Concise Messages | p. 211 |
Recognizing Media and Partial Cubes | p. 217 |
Recognizing Closed Media | p. 218 |
Black Box Media | p. 222 |
Problems | p. 227 |
Visualization of Media | p. 229 |
Lattice Dimension | p. 230 |
Drawing High-Dimensional Lattice Graphs | p. 231 |
Region Graphs of Line Arrangements | p. 234 |
Pseudoline Arrangements | p. 238 |
Finding Zonotopal Tilings | p. 246 |
Learning Spaces | p. 252 |
Problems | p. 260 |
Random Walks on Media | p. 263 |
On Regular Markov Chains | p. 265 |
Discrete and Continuous Stochastic Processes | p. 271 |
Continuous Random Walks on a Medium | p. 273 |
Asymptotic Probabilities | p. 279 |
Random Walks and Hyperplane Arrangements | p. 280 |
Problems | p. 282 |
Applications | p. 285 |
Building a Learning Space | p. 285 |
The Entailment Relation | p. 291 |
Assessing Knowledge in a Learning Space | p. 293 |
The Stochastic Analysis of Opinion Polls | p. 297 |
Concluding Remarks | p. 302 |
Problems | p. 303 |
Appendix: A Catalog of Small Mediatic Graphs | p. 305 |
Glossary | p. 309 |
Bibliography | p. 311 |
Index | p. 321 |
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