04169nam 2200589 450 991082875900332120170816143326.01-4704-0836-8(CKB)3360000000464597(EBL)3113950(SSID)ssj0000889290(PQKBManifestationID)11932404(PQKBTitleCode)TC0000889290(PQKBWorkID)10875864(PQKB)10874424(MiAaPQ)EBC3113950(RPAM)2925805(PPN)195412966(EXLCZ)99336000000046459720140909h19891989 uy 0engur|n|---|||||txtccrUnimodal, log-concave and Pólya frequency sequences in combinatorics /Francesco BrentiProvidence, Rhode Island :American Mathematical Society,1989.©19891 online resource (118 p.)Memoirs of the American Mathematical Society,0065-9266 ;Number 413"September 1989, Volume 81, Number 413 (fourth of 6 numbers)."0-8218-2476-7 Includes bibliographical references.""Contents""; ""Foreword""; ""Introduction""; ""Chapter 1 The Poset Conjecture""; ""1.1 Introduction""; ""1.2 Statement of the Poset Conjecture""; ""1.3 Partial results on the Poset Conjecture""; ""1.4 A second look at the Poset Conjecture""; ""Chapter 2 A General Theory""; ""2.1 Introduction""; ""2.2 Polynomials with only real zeros and total positivity""; ""2.3 The six fundamental bases and the transition matrices between them""; ""2.4 Linear transformations that preserve the PF property""; ""2.5 Linear transformations that preserve the PF[sub(2)] property""""2.6 Summary of results and open problems""""Chapter 3 Ramifications of the General Theory""; ""3.1 Introduction""; ""3.2 Further properties of the six fundamental bases""; ""3.3 The special case of polynomials with no constant term""; ""3.4 Eulerian, Lagrange, and Krawtchouk polynomials""; ""3.5 Three general problems""; ""Chapter 4 Polynomials in PF[([sup(x+d-i)][sub(d)])]""; ""4.1 Introduction""; ""4.2 Elementary properties of PF[([sup(x+d-i)][sub(d)])]""; ""4.3 A Fundamental Theorem""; ""4.4 Consequences of the Fundamental Theorem""; ""4.5 The characterization of PF-sequences""""4.6 The characterization of PF[([sup(x+d-i)][sub(d)])]""""4.7 Products of polynomials in PF[([sup(x+d-i)][sub(d)])]""; ""Chapter 5 Applications to the Poset Conjecture""; ""5.1 Introduction""; ""5.2 Ferrers posets""; ""5.3 Column strict labeled Ferrers posets and the solution of a conjecture""; ""5.4 A class of naturally labeled Ferrers posets""; ""5.5 Disjoint unions of chains""; ""5.6 Gaussian posets""; ""5.7 Necessary and sufficient conditions for the Poset Conjecture""; ""Chapter 6 Applications to Enumerative Combinatorics""; ""6.1 Introduction""""6.2 PF sequences arising from symmetric functions and Jack polynomials""""6.3 Zeta polynomials of partially ordered sets""; ""6.4 Functions of a finite set into itself""; ""6.5 Associated Lah numbers""; ""6.6 Stirling permutations""; ""6.7 Associated Stirling numbers""; ""6.8 Colorings of graphs""; ""Chapter 7 Polya Frequency Digraphs""; ""7.1 Introduction""; ""7.2 PF digraphs and the distributive lattice conjecture""; ""7.3 A general result""; ""7.4 The connection with the theory of symmetric functions""; ""7.5 The inversion Theorem""; ""7.6 PF[sub(2)] digraphs""""7.7 Semitransitive digraphs""""Bibliography""; ""Appendix""; ""Tables""Memoirs of the American Mathematical Society ;Number 413.Combinatorial analysisSequences (Mathematics)Combinatorial analysis.Sequences (Mathematics)511/.6Brenti Francesco1960-498033MiAaPQMiAaPQMiAaPQBOOK9910828759003321Unimodal, log-concave and Pólya frequency sequences in combinatorics4019147UNINA02183nam0 2200397 i 450 CFI013328920251003044124.0IT90-9597 20100422d1990 ||||0itac50 baitaitz01i xxxe z01nˆLa ‰reggenza di Tunisi dal 1834 al 1839in alcune fonti dell'Archivio di Stato di NapoliFerdinando BuonocoreNapoli[s. n.]1990NapoliFotocomp rapidVI, 241 p.24 cm.Fonti e studi per la storia dell'Africa3001CFI01332912001 Fonti e studi per la storia dell'Africa3Tunisia1834-1839FIRCFIC048415I961.1STORIA. TUNISIA23961.103STORIA. Tunisia. 1516-1881.20Buonocore, FerdinandoCFIV081480070234520ITIT-00000020100422IT-BN0095 IT-SA0060 IT-NA0043 IT-NA0079 IT-NA0070 IT-NA0120 IT-NA0075 IT-AV0045 IT-NA0097 NAP MVP SALA BIBLIOGRAFIANAP BU6 B Propedeutica. Formato cm. 20,1-28.NAP BNMAGAZZINO magazzini correnti divisi per anniNAP 27SILVESTRI Fondo donato dalle figlie dell''archivista napoletano Alfonso Silvestri. Conserva testi moderni di storia locale.NAP SPNF. NUOVO FONDONAP 01POZZO LIB.Vi sono collocati fondi di economia, periodici di ingegneria e scienze, periodici di economia e statistica e altri fondi comprendenti documenti di economia pervenuti in dono. NAP ANMILITARE Ubicata in locali distaccati dall’Archivio, a Pizzofalcone.CFI0133289Biblioteca Centralizzata di Ateneo1 v. 01POZZO LIB.F. ASSANTE 262 0101 0060013295E VMA 1 v. (Precedente collocazione A 198)B 2022091920220919 01 27 AN BN BU CR GE MV SPReggenza di Tunisi dal 1834 al 1839628771UNISANNIO