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## Mathematical Preliminaries

*Partha P. Mitra and Hemant Bokil*

### in Observed Brain Dynamics

- Published in print:
- 2007
- Published Online:
- May 2009
- ISBN:
- 9780195178081
- eISBN:
- 9780199864829
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780195178081.003.0005
- Subject:
- Neuroscience, Techniques, Molecular and Cellular Systems

This chapter reviews a broad range of mathematical topics relevant to the rest of the book. It begins with a brief discussion of real and complex numbers and elementary real and complex functions, ... More

## Linear Systems Analysis

*Russell L. De Valois and Karen K. De Valois*

### in Spatial Vision

- Published in print:
- 1991
- Published Online:
- January 2008
- ISBN:
- 9780195066579
- eISBN:
- 9780199872220
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780195066579.003.0001
- Subject:
- Psychology, Cognitive Neuroscience

This chapter provides a background on linear systems analysis to allow the reader to follow the applications to visual problems discussed in this book. Specifically, it discusses the Fourier theorem ... More

## FOURIER ANALYSIS ON FINITE ABELIAN GROUPS: SOME GRAPHICAL APPLICATIONS

*Andrew Goodall*

### in Combinatorics, Complexity, and Chance: A Tribute to Dominic Welsh

- Published in print:
- 2007
- Published Online:
- September 2007
- ISBN:
- 9780198571278
- eISBN:
- 9780191718885
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198571278.003.0007
- Subject:
- Mathematics, Probability / Statistics

This article reviews basic techniques of Fourier analysis on a finite abelian group Q, with subsequent applications in graph theory. These include evaluations of the Tutte polynomial of a graph G in ... More

## Visual Pattern Analyzers

*Norma Van Surdam Graham*

- Published in print:
- 1989
- Published Online:
- January 2008
- ISBN:
- 9780195051544
- eISBN:
- 9780199872183
- Item type:
- book

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780195051544.001.0001
- Subject:
- Psychology, Cognitive Neuroscience

From the light that falls on the retina, the visual system must extract meaningful information about what is where in our environment. At an early stage in this process, it analyzes the incoming ... More

## LINEAR CAUCHY PROBLEM WITH CONSTANT COEFFICIENTS

*Sylvie Benzoni-Gavage and Denis Serre*

### in Multi-dimensional hyperbolic partial differential equations: First-order systems and applications

- Published in print:
- 2006
- Published Online:
- September 2007
- ISBN:
- 9780199211234
- eISBN:
- 9780191705700
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199211234.003.0001
- Subject:
- Mathematics, Applied Mathematics

For first-order systems, the well-posedness of the Cauchy problem is equivalent to an algebraic condition on the symbol of the operator: the hyperbolicity. The hyperbolic Cauchy problem has the ... More

## Historical Prelude

*Roger D. Roger and Miles A. Whittington*

### in Cortical Oscillations in Health and Disease

- Published in print:
- 2010
- Published Online:
- May 2010
- ISBN:
- 9780195342796
- eISBN:
- 9780199776276
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780195342796.003.0002
- Subject:
- Neuroscience, Molecular and Cellular Systems, Development

One of the pioneers in the mathematical and conceptual study of oscillations was Norbert Wiener, whose book Cybernetics first appeared in 1948. The authors review the type of data, experimental ... More

## Selected Theorems by Eli Stein

*Charles Fefferman*

*Charles Fefferman, Alexandru D. Ionescu, D. H. Phong, Stephen Wainger, Charles Fefferman, Alexandru D. Ionescu, D. H. Phong, and Stephen Wainger (eds)*

### in Advances in Analysis: The Legacy of Elias M. Stein

- Published in print:
- 2014
- Published Online:
- October 2017
- ISBN:
- 9780691159416
- eISBN:
- 9781400848935
- Item type:
- chapter

- Publisher:
- Princeton University Press
- DOI:
- 10.23943/princeton/9780691159416.003.0001
- Subject:
- Mathematics, Numerical Analysis

This chapter is an overview of the scope and originality of Eli Stein's contributions to analysis. His work deals with representation theory, classical Fourier analysis, and partial differential ... More

## Fourier Analysis and Benfordʼs Law

*Steven J. Miller*

### in Benford's Law: Theory and Applications

- Published in print:
- 2015
- Published Online:
- October 2017
- ISBN:
- 9780691147611
- eISBN:
- 9781400866595
- Item type:
- chapter

- Publisher:
- Princeton University Press
- DOI:
- 10.23943/princeton/9780691147611.003.0003
- Subject:
- Mathematics, Probability / Statistics

This chapter continues the development of the theory of Benford's law. It uses Fourier analysis (in particular, Poisson Summation) to prove many systems either satisfy or almost satisfy the ... More

## Fourier analysis in diffraction and image formation

*Christopher Hammond*

### in The Basics of Crystallography and Diffraction

- Published in print:
- 2015
- Published Online:
- August 2015
- ISBN:
- 9780198738671
- eISBN:
- 9780191801938
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198738671.003.0013
- Subject:
- Physics, Crystallography: Physics, Condensed Matter Physics / Materials

This chapter starts with the Fourier series and Fourier transforms, and the representation of periodic functions. It then looks at Fourier analysis in crystallography. It details electron density, ... More

## Advances in Analysis: The Legacy of Elias M. Stein

*Charles Fefferman, Alexandru D. Ionescu, D.H. Phong, and Stephen Wainger*

- Published in print:
- 2014
- Published Online:
- October 2017
- ISBN:
- 9780691159416
- eISBN:
- 9781400848935
- Item type:
- book

- Publisher:
- Princeton University Press
- DOI:
- 10.23943/princeton/9780691159416.001.0001
- Subject:
- Mathematics, Numerical Analysis

Princeton University's Elias Stein was the first mathematician to see the profound interconnections that tie classical Fourier analysis to several complex variables and representation theory. His ... More

## The Basics of Crystallography and Diffraction

*Christopher Hammond*

- Published in print:
- 2015
- Published Online:
- August 2015
- ISBN:
- 9780198738671
- eISBN:
- 9780191801938
- Item type:
- book

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198738671.001.0001
- Subject:
- Physics, Crystallography: Physics, Condensed Matter Physics / Materials

This book provides an introduction to crystallography, light, X-ray, and electron diffraction. The book also shows, by historical and biographical references, how the subject has developed from the ... More

## Spectral Energetics

*T. N. Krishnamurti, H. S. Bedi, and V. M. Hardiker*

### in An Introduction to Global Spectral Modeling

- Published in print:
- 1998
- Published Online:
- November 2020
- ISBN:
- 9780195094732
- eISBN:
- 9780197560761
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/oso/9780195094732.003.0012
- Subject:
- Earth Sciences and Geography, Meteorology and Climatology

In this chapter we present spectral energetics. This is a useful tool for the interpretation of model output. It can be used to interpret both short term weather ... More

## Pattern Perception

*Peter H. Schiller and Edward J. Tehovnik*

### in Vision and the Visual System

- Published in print:
- 2015
- Published Online:
- September 2015
- ISBN:
- 9780199936533
- eISBN:
- 9780190258054
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199936533.003.0013
- Subject:
- Psychology, Vision

This chapter has seven subdivisions. Section A delineates the major theories that have been formulated about how living organisms process pattern and shape information. Section B describes ... More

## Analysis of the Electrogastrogram

*Kenneth L. Koch and Robert M. Stern (eds)*

### in Handbook of Electrogastrography

- Published in print:
- 2003
- Published Online:
- November 2020
- ISBN:
- 9780195147889
- eISBN:
- 9780197561850
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/oso/9780195147889.003.0009
- Subject:
- Clinical Medicine and Allied Health, Gastroenterology

The analysis of electrogastrogram (EGG) recordings involves an initial visual inspection of the signal to assess the quality of the signal, identification of ... More

## Waves

*William J. Mullin*

### in Quantum Weirdness

- Published in print:
- 2017
- Published Online:
- March 2017
- ISBN:
- 9780198795131
- eISBN:
- 9780191836480
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198795131.003.0001
- Subject:
- Physics, Particle Physics / Astrophysics / Cosmology

Quantum mechanics is introduced here as a fundamental theory that must treat particles equally often as waves. Here, classical waves are introduced in some detail, with discussions of the important ... More

## Heat flow and thermal relaxation

*Andrew M. Steane*

### in Thermodynamics: A complete undergraduate course

- Published in print:
- 2016
- Published Online:
- January 2017
- ISBN:
- 9780198788560
- eISBN:
- 9780191830426
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198788560.003.0010
- Subject:
- Physics, Theoretical, Computational, and Statistical Physics

The solution of heat flow problems involving the thermal diffusion equation is explained. Conduction through a flat wall and into a sphere is described. A worked example using Fourier analysis is ... More

## Mathematics

*Patrick Magee and Mark Tooley*

### in The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA

- Published in print:
- 2011
- Published Online:
- November 2020
- ISBN:
- 9780199595150
- eISBN:
- 9780191918032
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/oso/9780199595150.003.0005
- Subject:
- Clinical Medicine and Allied Health, Anesthesiology

Graphs are used to represent pictorially or clarify a relationship between two variables, say x and y, or t and function (t). If x and y are related by the linear ... More

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