What Criterion Asserts That a Tile Can Tile the Plane

question 28

Multiple Choice

What criterion asserts that a tile can tile the plane by translation plus half-turns under suitable assumptions?

• A) Escher Criterion
• B) Barlow's law
• C) Conway Criterion
• D) Penrose Criterion

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Definitions:

Upward-Sloping

A scenario where higher levels of a certain variable lead to higher levels of another variable, typically seen in supply curves where higher prices lead to higher quantities supplied.

Tax Incidence

The analysis of the effect of a particular tax on the distribution of economic welfare, focusing on who ultimately bears the burden of the tax.

Externality Analysis

The study of costs or benefits that affect parties who did not choose to incur that cost or benefit, typically used in the context of environmental and public policy.

Public Interest Theory

A theory suggesting that regulation is supplied in response to the demand of the public for the correction of inefficient or inequitable market practices.