may be a problem
91Closure problem — A Closure problem is a problem in graph theory for finding a set of vertices in a directed graph such that there are no edges from the set to the rest of the graph. More specifically, the minimum closure problem asks for a set of this type with… …
92Packing problem — Part of a series on Puzzles …
93Malibu surfer problem — In political theory, the Malibu surfer problem is the prospect of an individual who can work but chooses not to do so, and instead leads a life of self indulgence funded through some other available means of support. The phrase refers to an… …
94The Problem of Social Cost — is an article published by Ronald Coase in 1960 in the Journal of Law and Economics about economic problem of externalities. It draws from a number of English legal cases and statutes to illustrate Coase s belief that legal rules are only… …
95Crossed ladders problem — The crossed ladders problem is a puzzle of unknown origin that has appeared in various publications and regularly reappears in Web pages and Usenet discussions. Contents 1 The problem 2 Solution summary 2.1 Setting up the quartic equation …
96Ménage problem — A table with ten place settings. According to the solution to the ménage problem, there are 3120 different ways in which five couples can choose seats at this table in such a way that men and women alternate and do not sit next to their partners …
97Fragile binary interface problem — The fragile binary interface problem or FBI is a shortcoming of certain object oriented language compilers, in which internal changes to an underlying class library can cause descendant libraries or programs to cease working. It is an example of… …
98Synoptic problem — The synoptic problem concerns the literary relationships between and among the first three canonical gospels (the Gospels of Mark, Matthew, and Luke), known as the Synoptic Gospels (from the Greek syn, meaning together, and optic, meaning seen ) …
99Year 2038 problem — The year 2038 problem (also known as Unix Millennium bug , or Y2K38 by analogy to the Y2K problem) may cause some computer software to fail before or in the year 2038. The problem affects all software and systems that store system time as a… …
100Hadwiger–Nelson problem — Unsolved problems in mathematics How many colors are needed to color the plane so that no two points at unit distance are the same color? In geometric graph theory, the Hadwiger–Nelson problem, named after Hugo Hadwiger and Edward Nelson, asks… …
