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Real Solutions to Equations from Geometry
 
Frank Sottile Texas A&M University, College Station, TX
Front Cover for Real Solutions to Equations from Geometry
Available Formats:
Softcover ISBN: 978-0-8218-5331-3
Product Code: ULECT/57
List Price: $53.00
MAA Member Price: $47.70
AMS Member Price: $42.40
Electronic ISBN: 978-1-4704-1652-2
Product Code: ULECT/57.E
List Price: $50.00
MAA Member Price: $45.00
AMS Member Price: $40.00
Bundle Print and Electronic Formats and Save!
This product is available for purchase as a bundle. Purchasing as a bundle enables you to save on the electronic version.
List Price: $79.50
MAA Member Price: $71.55
AMS Member Price: $63.60
Front Cover for Real Solutions to Equations from Geometry
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  • Front Cover for Real Solutions to Equations from Geometry
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Real Solutions to Equations from Geometry
Frank Sottile Texas A&M University, College Station, TX
Available Formats:
Softcover ISBN:  978-0-8218-5331-3
Product Code:  ULECT/57
List Price: $53.00
MAA Member Price: $47.70
AMS Member Price: $42.40
Electronic ISBN:  978-1-4704-1652-2
Product Code:  ULECT/57.E
List Price: $50.00
MAA Member Price: $45.00
AMS Member Price: $40.00
Bundle Print and Electronic Formats and Save!
This product is available for purchase as a bundle. Purchasing as a bundle enables you to save on the electronic version.
List Price: $79.50
MAA Member Price: $71.55
AMS Member Price: $63.60
  • Book Details
     
     
    University Lecture Series
    Volume: 572011; 200 pp
    MSC: Primary 14; Secondary 12;

    Understanding, finding, or even deciding on the existence of real solutions to a system of equations is a difficult problem with many applications outside of mathematics. While it is hopeless to expect much in general, we know a surprising amount about these questions for systems which possess additional structure often coming from geometry.

    This book focuses on equations from toric varieties and Grassmannians. Not only is much known about these, but such equations are common in applications. There are three main themes: upper bounds on the number of real solutions, lower bounds on the number of real solutions, and geometric problems that can have all solutions be real. The book begins with an overview, giving background on real solutions to univariate polynomials and the geometry of sparse polynomial systems. The first half of the book concludes with fewnomial upper bounds and with lower bounds to sparse polynomial systems. The second half of the book begins by sampling some geometric problems for which all solutions can be real, before devoting the last five chapters to the Shapiro Conjecture, in which the relevant polynomial systems have only real solutions.

    Readership

    Graduate students and research mathematicians interested in real algebraic geometry.

  • Table of Contents
     
     
    • Chapters
    • Chapter 1. Overview
    • Chapter 2. Real solutions of univariate polynomials
    • Chapter 3. Sparse polynomial systems
    • Chapter 4. Toric degenerations and Kushnirenko’s theorem
    • Chapter 5. Fewnomial upper bounds
    • Chapter 6. Fewnomial upper bounds from Gale dual polynomial systems
    • Chapter 7. Lower bounds for sparse polynomial systems
    • Chapter 8. Some lower bounds for systems of polynomials
    • Chapter 9. Enumerative real algebraic geometry
    • Chapter 10. The Shapiro Conjecture for Grassmannians
    • Chapter 11. The Shapiro Conjecture for rational functions
    • Chapter 12. Proof of the Shapiro Conjecture for Grassmannians
    • Chapter 13. Beyond the Shapiro Conjecture for the Grassmannian
    • Chapter 14. The Shapiro Conjecture beyond the Grassmannian
  • Reviews
     
     
    • ... I am convinced that this book can be a source of inspiration for newcomers to real algebraic geometry, as well as a timely update of the latest results for more experienced scholars. I am particularly impressed by the author's ability to convey visually some technical ideas with the help of splendid computer-generated figures. His book offers a fresh, visual and colorful approach to real algebraic geometry.

      Mathematical Reviews
    • ...a very well-written book that discusses some very exciting and modern algebraic geometry that has roots in questions that can be easily formulated even at the level of high school students. While the book gets quite technical at times, Sottile manages to include many examples and pictures to keep the exposition clear and light. ... I learned quite a bit from the book and I would recommend it to those looking to learn more about the subject.

      MAA Reviews
  • Request Review Copy
  • Get Permissions
Volume: 572011; 200 pp
MSC: Primary 14; Secondary 12;

Understanding, finding, or even deciding on the existence of real solutions to a system of equations is a difficult problem with many applications outside of mathematics. While it is hopeless to expect much in general, we know a surprising amount about these questions for systems which possess additional structure often coming from geometry.

This book focuses on equations from toric varieties and Grassmannians. Not only is much known about these, but such equations are common in applications. There are three main themes: upper bounds on the number of real solutions, lower bounds on the number of real solutions, and geometric problems that can have all solutions be real. The book begins with an overview, giving background on real solutions to univariate polynomials and the geometry of sparse polynomial systems. The first half of the book concludes with fewnomial upper bounds and with lower bounds to sparse polynomial systems. The second half of the book begins by sampling some geometric problems for which all solutions can be real, before devoting the last five chapters to the Shapiro Conjecture, in which the relevant polynomial systems have only real solutions.

Readership

Graduate students and research mathematicians interested in real algebraic geometry.

  • Chapters
  • Chapter 1. Overview
  • Chapter 2. Real solutions of univariate polynomials
  • Chapter 3. Sparse polynomial systems
  • Chapter 4. Toric degenerations and Kushnirenko’s theorem
  • Chapter 5. Fewnomial upper bounds
  • Chapter 6. Fewnomial upper bounds from Gale dual polynomial systems
  • Chapter 7. Lower bounds for sparse polynomial systems
  • Chapter 8. Some lower bounds for systems of polynomials
  • Chapter 9. Enumerative real algebraic geometry
  • Chapter 10. The Shapiro Conjecture for Grassmannians
  • Chapter 11. The Shapiro Conjecture for rational functions
  • Chapter 12. Proof of the Shapiro Conjecture for Grassmannians
  • Chapter 13. Beyond the Shapiro Conjecture for the Grassmannian
  • Chapter 14. The Shapiro Conjecture beyond the Grassmannian
  • ... I am convinced that this book can be a source of inspiration for newcomers to real algebraic geometry, as well as a timely update of the latest results for more experienced scholars. I am particularly impressed by the author's ability to convey visually some technical ideas with the help of splendid computer-generated figures. His book offers a fresh, visual and colorful approach to real algebraic geometry.

    Mathematical Reviews
  • ...a very well-written book that discusses some very exciting and modern algebraic geometry that has roots in questions that can be easily formulated even at the level of high school students. While the book gets quite technical at times, Sottile manages to include many examples and pictures to keep the exposition clear and light. ... I learned quite a bit from the book and I would recommend it to those looking to learn more about the subject.

    MAA Reviews
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