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The zigzag product was introduced by Reingold, Vadhan & Wigderson (2000). When the zig-zag product was first introduced, it was used for the explicit construction of constant degree expanders and extractors. Later on, the zig-zag product was used in computational complexity theory to prove that symmetric logspace and logspace are equal ...
This line has been called the amphoteric line, [2] the metal-nonmetal line, [3] the metalloid line, [4] [5] the semimetal line, [6] or the staircase. [2] [n 1] While it has also been called the Zintl border [8] or the Zintl line [9] [10] these terms instead refer to a vertical line sometimes drawn between groups 13 and 14.
A 2-metre carpenter's ruler with centimetre divisions Road sign warning for upcoming zigzag turn. A seismograph showing zigzag lines. The trace of a triangle wave or a sawtooth wave is a zigzag. Pinking shears are designed to cut cloth or paper with a zigzag edge, to lessen fraying. [2] In sewing, a zigzag stitch is a machine stitch in a zigzag ...
As cold weather persists in Northeast Ohio, the Akron Home and Garden Show at the Knight Center will have you looking forward to spring.
The incidence posets of path graphs form examples of fences. A linear extension of a fence is called an alternating permutation; André's problem of counting the number of different linear extensions has been studied since the 19th century. [1] The solutions to this counting problem, the so-called Euler zigzag numbers or up/down numbers, are:
According to Freddie Mac's latest forecast, home prices will rise 2.1% in 2024 and 0.6% in 2025.
The graphs can be used together to determine the economic equilibrium (essentially, to solve an equation). Simple graph used for reading values: the bell-shaped normal or Gaussian probability distribution, from which, for example, the probability of a man's height being in a specified range can be derived, given data for the adult male population.
The Inspired Home Show, formerly known as the International Home + Housewares Show, is an annual housewares show staged at McCormick Place in Chicago and organized by the International Housewares Association. In 2008, the Show covered 785,000 net square feet (72,900 m 2) of exhibit space. It is one of top 20 largest trade shows in the U.S. and ...