1.

Record Nr.

UNISA996549371003316

Autore

Wang Lizhen

Titolo

Preference-based spatial co-location pattern mining / / Lizhen Wang, Yuan Fang and Lihua Zhou

Pubbl/distr/stampa

Singapore : , : Springer, , [2022]

©2022

ISBN

981-16-7566-X

981-16-7565-1

Descrizione fisica

1 online resource (307 pages)

Collana

Big Data Management

Disciplina

005.7

Soggetti

Big data

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia



2.

Record Nr.

UNINA9910861095903321

Autore

Chicone Carmen Charles

Titolo

Ordinary Differential Equations with Applications / / by Carmen Chicone

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2024

ISBN

3-031-51652-4

Edizione

[3rd ed. 2024.]

Descrizione fisica

1 online resource (xxii, 729 pages) : illustrations

Collana

Texts in Applied Mathematics, , 2196-9949 ; ; 34

Disciplina

515/.35

Soggetti

Mathematical analysis

Dynamics

System theory

Mathematical physics

Analysis

Dynamical Systems

Complex Systems

Theoretical, Mathematical and Computational Physics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Ordinary Differential Equations -- Linear Systems and Stability of Nonlinear Systems -- Applications -- Hyperbolic Theory -- Continuation of Periodic Solutions -- Homoclinic Orbits, Melnikov’s Method, and Chaos -- Averaging -- Local Bifurcation.

Sommario/riassunto

This book, developed during 20 years of the author teaching differential equations courses at his home university, is designed to serve as a text for a graduate level course focused on the central theory of the subject with attention paid to applications and connections to other advanced topics in mathematics. Core theory includes local existence and uniqueness, the phase plane, Poincaré–Bendixson theory, Lyapunov and linearized stability, linear systems, Floquet theory, the Grobman–Hartman theorem, persistence of rest points and periodic orbits, the stable and center manifold theorems, and bifurcation theory. This edition includes expanded treatment of deterministic chaos, perturbation theory for periodic solutions, boundary value problems,



optimization, and a wide range of their applications. In addition, it contains a formulation and new proof of a theorem on instability of rest points in the presence of an eigenvalue with positive real part, and new proofs of differential inequalities and Lyapunov’s center theorem. New sections present discussions of global bifurcation, the Crandall–Rabinowitz theorem, and Alekseev’s formula. Of particular note is a new chapter on basic control theory, a discussion of optimal control, and a proof of a useful special case of the maximum principle. A key feature of earlier editions, a wide selection of original exercises, is respected in this edition with the inclusion of a wealth of new exercises. Reviews of the first edition: “As an applied mathematics text on linear and nonlinear equations, the book by Chicone is written with stimulating enthusiasm. It will certainly appeal to many students and researchers.”—F. Verhulst, SIAM Review “The author writes lucidly and in an engaging conversational style. His book is wide-ranging in its subject matter, thorough in its presentation, and written at a generally high level of generality, detail, and rigor.” —D. S. Shafer, Mathematical Reviews.

3.

Record Nr.

UNINA9910157781803321

Autore

Early Tom

Titolo

Aspect of Winter

Pubbl/distr/stampa

Harmony Ink Press

ISBN

1-63476-540-0

Descrizione fisica

1 online resource (260 p.)

Soggetti

Gay teenagers

Magic

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Sommario/riassunto

High school isn't easy for any gay teen, and on top of everything, Fay struggles to understand his supernatural powers--and keep them



hidden from everyone but his best friend Sam. It's almost too much for anyone to cope with, and it's all Fay can do to endure. Then Fay and Sam come to the attention of a representative from Janus University, a college for people who display magical potential. Along with their classmate Tyler, the two friends are tipped into a precarious world of mystery and magic that they don't yet understand. Their lives are about to change, but first they must complete--and survive--the university's Trials. Romantic feelings start to bloom between Fay and Tyler, but before they can explore them, they must learn to deal with a new world that can be both beautiful and terrifying--especially when the dangerous source of Fay's abilities is discovered.