Differential Equations: Geometric Theory by Lefschetz, Solomon - 1957

Dover Pubns. 2nd. paperback. Very Good. 6x1x8. Minor wear on edges of cover. Otherwise excellent. Clean fresh pages.

Dover Pubns. Used - Very Good. 1977. Paperback. Paper. Some minor shelf wear. Very Good. (Subject: Mathematics).

Dover Publications, 1977-04. Paperback. Good.

Interscience Publishers. 1962. Hardcover. UsedGood. Hardcover, 2nd edition; surplus library copy with the usual stampings; refe rence number written on spine; fading and shelf wear to exterior; corners b umped; in good condition with clean text, firm binding. No dust jacket. .

New York/London: Interscience Publishers, 1960. Second edition. Hardcover. Very Good. Second edition, ca. 1960. 8vo, hardcover, x + 390 pp. No dust jacket. Includes index and bibliography. Very Good, previous owner's signature on title page--otherwise text is clean and unmarked. Some age-toning and minor discoloration to page edges. Light edge wear to cover.

New York: Dover Publications, Inc., 1977. 5.5" wide by 8.25" tall. A bright, shiny, clean, square, tight copy. No store stamp, owner's name or bookplate. Pages are fresh and unmarked, apparently never read. No underlining. No highlighting. No margin notes. Flat spine. Quality softcover binding, with pages that are sewn (not glued) for many years of use. Contains a Preface and 12 sections: 1) Preliminary questions; 2) Existence theorems, general properties of the solutions; 3) Linear systems; 4) Stability; 5-7) The differential equation; 8) Periodic systems and their stability; 9) Two dimensional systems, simple critical points, the index, behavior at infinity; 10) Two dimensional systems, continued; 11) Differential equations of the second order; 12) Oscillations in systems of the second order, methods of approximation. Two appendices; I) Complement on matrices; II) Some Topological Complements. Problems. Bibliography. List of symbols. Index. . Reprint of the 1963 Second… Read More

New York, NY, USA: Interscience Publishers, 1957. Hardcover. Very Good/Fair. 8vo - over 7¾ - 9¾" tall. x, 364pp. Grey cloth-covered boards, black titles on front and spine. 8vo. Very lightly rubbed spine ends, slightly cocked. Text block edges tanning. Previous owner's name in pencil on front free endpaper. Otherwise, internally neat, clean, bright and tight. Paper dust jacket tape repaired where detached at front joint, tanned and stained, loss to spine ends and corners.

New York: Dover Publications, Inc. Light Creasing on Front Cover; Spine Lightly Chipped; Edges Lightly Soiled. ALSO KNOWN AS: This Dover edition, first published in 1977, is an unabridged republication of the second (1963) edition of the work originally published by Interscience Publishers in 1957 as Volume VI of the Interscience Pure and Applied Mathematics Series. CONTENTS: Preface; I Preliminary Questions; II Existence Theorems. General Properties of the Solutions; III Linear Systems; IV Stability; V The Differential Equation dx/dt = Px + q(x;t); VI The Differential Equation dx/dt = Px + q(x;y); VII The Differential Equation dx/dt = P(t)z + q(x;t); VIII Periodic Systems and Their Stability; IX Two Dimensional Systems. Simple Critical Points. The Index. Behavior at Infinity; X Two Dimensional Systems (continued); XI Differential Equations of the Second Order; XII Oscillations in Systems of the Second Order. Methods of Approximation; Appendix I Complement on Matrices; Appendix II Some… Read More

Dover Pubns, 1977-06-01. Paperback. New. New. In shrink wrap. Looks like an interesting title!