Dicks, Warren. <br/><br/>
Group Fixed by a Family of Injective Endomorphisms of a Free Group. 

 - 1st ed. 
 - 1 online resource (96 pages) 
 - Contemporary Mathematics ;  v.195 .
 - Contemporary Mathematics .
<br/><br/>Intro -- Contents -- Introduction -- Chapter I. Groupoids -- I.1. Abstract Maps of Graphs -- I.2. The Basic Operations -- I.3. Free Groupoids -- I.4. Inertia -- I.5. The Fixed Subgroupoid -- Chapter II. Measuring Devices -- II.1. Some Aspects of the Perron-Frobenius Theorem -- II.2. Metric Graphs and Weighted Graphs -- II.3. The Five Quantifiers -- Chapter III. Properties of the Basic Operations -- III.1. Collapsing a Pretrivial Arc -- III.2. Subdividing -- III.3. Folding -- III.4. Removing a Vertex of Valence Two -- Chapter IV. Minimal Representatives and Fixed Subgroupoids -- IV.1. Existence -- IV.2. Smoothness -- IV.3. Indivisible Fixed Elements -- IV.4. Folding Indivisible Fixed Elements -- IV.5. Inertia of the Fixed Subgroupoid -- Open Problems -- Bibliography -- Index. 
<br/><br/><label>ISBN: </label>9780821877869 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Free metabelian groups.<br/>Automorphisms.<br/>Groupoids.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA174.2 -- .D53 1996eb 
<br/><br/><label>Dewey Class. No.: </label>512/.2