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## Trust Brokers on the Road

*Susan V. Spellman*

### in Cornering the Market: Independent Grocers and Innovation in American Small Business

- Published in print:
- 2016
- Published Online:
- April 2016
- ISBN:
- 9780199384273
- eISBN:
- 9780190495503
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199384273.003.0004
- Subject:
- History, Economic History

In the last quarter of the nineteenth century, traveling grocery salesmen bridged the geographic divide between wholesalers and retailers while cultivating trust in imperfect markets and distribution ... More

## Minimalist Approaches to Figurative Maze Design

*Robert Bosch, Tim Chartier, and Michael Rowan*

### in The Mathematics of Various Entertaining Subjects: Research in Recreational Math

- Published in print:
- 2015
- Published Online:
- October 2017
- ISBN:
- 9780691164038
- eISBN:
- 9781400881338
- Item type:
- chapter

- Publisher:
- Princeton University Press
- DOI:
- 10.23943/princeton/9780691164038.003.0003
- Subject:
- Mathematics, History of Mathematics

This chapter demonstrates that simple mathematical methods can be used to design mazes that resemble user-supplied target images. The first approach discussed here is the TSP method, which involves ... More

## Optimization and Approximation

*Cristopher Moore and Stephan Mertens*

### in The Nature of Computation

- Published in print:
- 2011
- Published Online:
- December 2013
- ISBN:
- 9780199233212
- eISBN:
- 9780191775079
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199233212.003.0009
- Subject:
- Physics, Theoretical, Computational, and Statistical Physics

This chapter focuses on the relationships between decision problems and their optimisation versions. It shows that, for most problems, the optimal solution can be realised in polynomial time if and ... More

## The bridges of Königsberg: Graph theory

*Iwo Białynicki-Birula and Iwona Białynicka-Birula*

### in Modeling Reality: How Computers Mirror Life

- Published in print:
- 2004
- Published Online:
- January 2010
- ISBN:
- 9780198531005
- eISBN:
- 9780191713033
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780198531005.003.0010
- Subject:
- Physics, Theoretical, Computational, and Statistical Physics

A simple idea of drawing crude sketches made of line segments to visualize the solutions of some problems has developed over the years into a sophisticated branch of mathematics: graph theory. Simple ... More

## Encircling Graphs

*Arthur Benjamin, Gary Chartrand, and Ping Zhang*

### in The Fascinating World of Graph Theory

- Published in print:
- 2017
- Published Online:
- May 2018
- ISBN:
- 9780691175638
- eISBN:
- 9781400852000
- Item type:
- chapter

- Publisher:
- Princeton University Press
- DOI:
- 10.23943/princeton/9780691175638.003.0006
- Subject:
- Mathematics, Applied Mathematics

This chapter considers Hamiltonian graphs, a class of graphs named for nineteenth-century physicist and mathematician Sir William Rowan Hamilton. In 1835 Hamilton discovered that complex numbers ... More

## Cognitive operations in tour planning *

*Inessa Seifert and Thora Tenbrink*

### in Representing Space in Cognition: Interrelations of behaviour, language, and formal models

- Published in print:
- 2013
- Published Online:
- January 2014
- ISBN:
- 9780199679911
- eISBN:
- 9780191760112
- Item type:
- chapter

- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199679911.003.0010
- Subject:
- Linguistics, Psycholinguistics / Neurolinguistics / Cognitive Linguistics, Semantics and Pragmatics

This paper addresses human spatial planning behaviour in a natural situation such as creating a holiday journey plan. Models of human performance on similar spatial planning tasks such as the ... More

## Computing with Artificial Chemistries

*Wolfgang Banzhaf and Lidia Yamamoto*

### in Artificial Chemistries

- Published in print:
- 2015
- Published Online:
- September 2016
- ISBN:
- 9780262029438
- eISBN:
- 9780262329460
- Item type:
- chapter

- Publisher:
- The MIT Press
- DOI:
- 10.7551/mitpress/9780262029438.003.0017
- Subject:
- Public Health and Epidemiology, Public Health

This chapter reviews techniques and algorithms for computing with artificial chemistries in silico, that is, using conventional computers. We start with some principles of implementation of chemical ... More

## . The Making of a Middle-Class Mind

*Matthew Kadane*

### in The Watchful Clothier

- Published in print:
- 2013
- Published Online:
- October 2013
- ISBN:
- 9780300169614
- eISBN:
- 9780300188936
- Item type:
- chapter

- Publisher:
- Yale University Press
- DOI:
- 10.12987/yale/9780300169614.003.0008
- Subject:
- Economics and Finance, Economic History

In this chapter the author discusses how Ryder found his middle way in the various forms of the middling sort. The chapter states about Ryder that he had no siblings and lived in a childless marriage ... More

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