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[null,"1.","Record Nr.",null,"UNINA9910812569003321"]
[null,null,"Autore",null,"Appel Kenneth I. <1932-2013, >"]
[null,null,"Titolo",null,"Every planar map is four colorable / / Kenneth Appel, and Wolfgang Haken"]
[null,null,"Pubbl/distr/stampa",null,"Providence, Rhode Island : , : American Mathematical Society, , [1989]"]
[{"$nulls":4},"©1989"]
[null,null,"ISBN",null,"0-8218-7686-4"]
[{"$nulls":4},"0-8218-5431-3"]
[null,null,"Descrizione fisica",null,"1 online resource (760 p.)"]
[null,null,"Collana",null,"Contemporary mathematics, , 0271-4132 ; ; volume 98"]
[null,null,"Disciplina",null,"511/.5"]
[null,null,"Soggetti",null,"Four-color problem"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"\"\"Contents\"\"; \"\"Acknowledgments\"\"; \"\"Introduction\"\"; \"\"1. History\"\"; \"\"2. C- and D-Reducibility\"\"; \"\"3. Unavoidable Sets and our Discharging Procedure\"\"; \"\"4. Details of the Proof\"\"; \"\"5. Our Checking Procedure\"\"; \"\"Bibliography\"\"; \"\"Part I: Discharging\"\"; \"\"1. Introduction D-429\"\"; \"\"2. The Discharging Procedure D-435\"\"; \"\"3. The Set U of Reducible Configurations D-459\"\"; \"\"4. Probabilistic Considerations D-478\"\"; \"\"5. Possible Improvements D-486\"\"; \"\"Bibliography D-489\"\"; \"\"Part II: Reducibility\"\"; \"\"1. Introduction R-491\"\"; \"\"2. The Computer Programs R-492\"\""]
[{"$nulls":4},"\"\"3. Immersion Reducibility R-493\"\"\"\"4. The Unavoidable Set U of Reducible Configurations R-503\"\"; \"\"Appendix to Part II\"\"; \"\"(a) Planar graphs and maps\"\"; \"\"(b) Planar graphs and triangulations\"\"; \"\"(c) Planar graphs with contractions\"\"; \"\"(d) Kempe components and interchanges on a colored graph\"\"; \"\"(e) Representative colorations on a labeled n-ring Rn\"\"; \"\"(f) Fillings/contractions of Rn\"\"; \"\"(g) Kempe components on a maximal filling/contraction of Rn\"\"; \"\"(h) Kempe interchangeable sets on a maximal filling/contraction\"\"; \"\"(i) Abstract Kempe chain dispositions on Rn\"\""]
[{"$nulls":4},"\"\"(j) Open subsets of Đ?n\"\"\"\"(k) The Kempe related extension of a subset of Đ?n;  reducibility\"\"; \"\"(l) The outside filling/contraction of an immersion image\"\"; \"\"(m) C-reducing a triangulation\"\"; \"\"(n) The open subsets of Đ?4 and Đ?5;  the critical open subsets of Đ?6\"\"; \"\"(o) A. Bernhart's Bend Condition for R6-reducibility\"\"; \"\"(p) The semi-critical open subsets of Đ?6 that satisfy the Bend Condition\"\"; \"\"(q) R3-, R4-, R5-, and R6-reducing a triangulation\"\"; \"\"(r) Extended immersion "]
[{"$nulls":4},"images and simple extensions\"\"; \"\"(s) Configuration sets closed under simple extensions\"\""]
[{"$nulls":4},"\"\"(t) Sufficient conditions for non-critical configurations\"\"\"\"(u) Conditions for non-critical reducers\"\"; \"\"(v) The Z-reducible closure U* of the unavoidable set U\"\"; \"\"(w) Locating reducible configurations or rings in triangulations\"\"; \"\"(x) The main algorithm\"\"; \"\"(y) An upper bound for the time demand, polynomial in N\"\"; \"\"(z) Possible improvements\"\"; \"\"Supplement to Part I\"\"; \"\"Lemmas on T -dischargings, stated S-2\"\"; \"\"proofs S-3\"\"; \"\"Lemma (I) S-6\"\"; \"\"Table l S-7\"\"; \"\"Proof of Lemma (I), continued S-12\"\"; \"\"Proof of Lemma (S+) S-14\"\"; \"\"Proof of the qTS(V5)-Lemma Introduction S-15\"\""]
[null,"2.","Record Nr.",null,"UNIORUON00079691"]
[null,null,"Autore",null,"ZEYS, Paul"]
[null,null,"Titolo",null,"Agadir : conflits immobiliers des confins sud-marocains (1911-19329) : Histoire - Droit immobilier marocain, berbère, israélite Conflits anciens - Conciliation - Aménagement d'une ville de 912 hectares - Urbanisme - Procédure applicable à tous pays - Richesses et productions locales / Paul Zeys ; préface par M. Lucien Saint"]
[null,null,"Pubbl/distr/stampa",null,"Paris, : Société du Recueil Sirey ; Rabat, : Felix Moncho, [1932?]"]
[null,null,"Descrizione fisica",null,"272 p. : ill., [3] c. di tav. ; 25 cm"]
[null,null,"Disciplina",null,"346.64"]
[null,null,"Soggetti",null,"Diritto privato - Marocco"]
[null,null,"Lingua di pubblicazione",null,"Francese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]