1.

Record Nr.

UNINA9910702503103321

Autore

Morgan Wallace

Titolo

Feed a fighter : eat only what you need, waste nothing- that he and his family may have enough

Pubbl/distr/stampa

[Washington, D.C.] : , : United States Food Administration, , [1918]

Descrizione fisica

1 online resource (1 poster)

Soggetti

World War, 1914-1918 - Food supply - United States

War posters, American

Lingua di pubblicazione

Inglese

Formato

Grafica

Livello bibliografico

Monografia

Note generali

Title from title screen (viewed Aug. 26, 2014).

Publication pre-dates Federal Depository Library Program (FDLP) item numbers. No FDLP item number has been assigned.

"No.15."

Sommario/riassunto

The poster depicts a soldier in a trench, holding a tin cup.



2.

Record Nr.

UNINA9910299967903321

Autore

Popov Andrey

Titolo

Lobachevsky geometry and modern nonlinear problems / / by Andrey Popov

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Birkhäuser, , 2014

ISBN

3-319-05669-7

Edizione

[1st ed. 2014.]

Descrizione fisica

1 online resource (315 p.)

Disciplina

516.9

Soggetti

Geometry, Algebraic

Differential equations, Partial

Mathematical physics

Algebraic Geometry

Partial Differential Equations

Mathematical Physics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Introduction -- 1 Foundations of Lobachevsky geometry: axiomatics, models, images in Euclidean space -- 2 The problem of realizing the Lobachevsky geometry in Euclidean space -- 3 The sine-Gordon equation: its geometry and applications of current interest -- 4 Lobachevsky geometry and nonlinear equations of mathematical physics -- 5 Non-Euclidean phase spaces. Discrete nets on the Lobachevsky plane and numerical integration algorithms for Λ2-equations -- Bibliography -- Index.

Sommario/riassunto

This monograph presents the basic concepts of hyperbolic Lobachevsky geometry and their possible applications to modern nonlinear applied problems in mathematics and physics, summarizing the findings of roughly the last hundred years. The central sections cover the classical building blocks of hyperbolic Lobachevsky geometry, pseudo spherical surfaces theory, net geometrical investigative techniques of nonlinear differential equations in partial derivatives, and their applications to the analysis of the physical models. As the sine-Gordon equation appears to have profound “geometrical roots” and numerous applications to



modern nonlinear problems, it is treated as a universal “object” of investigation, connecting many of the problems discussed. The aim of this book is to form a general geometrical view on the different problems of modern mathematics, physics and natural science in general in the context of non-Euclidean hyperbolic geometry.