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A **domain wall** is a type of topological soliton that occurs whenever a discrete symmetry is spontaneously broken. Domain walls also sometimes called **kinks** in analogy with closely related kink solution of the sine-Gordon model. Unstable domain walls can also appear if spontaneously broken discrete symmetry is approximate and there is the metastable vacuum.

A domain (hyper volume) is extended in three spatial dimensions and one time dimension. A domain wall is the boundary between two neighboring domains. Thus a domain wall is extended in two spatial dimensions and one time dimension.

Important examples are:

Besides these important cases similar solitons appear in wide spectrum of the models. Here are other examples:

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**Domain** is a German power metal band.

Domain first impressed fans of melodic metal back in the 1980s with their first works, "Lost In The City" (still under the old band name *Kingdom*), "Before The Storm" and "Crack in The Wall", as well as with their hit songs such as 'Lost In The City' and ‚ 'I Don’t Wanna Die'. Single "Heart Of Stone was a title song of german mini-serial "Bastard".

But it was their next albums, "One Million Lightyears From Home" (2001), "The Artefact" (2002) and "The Sixth Dimension" (2003) as well as a successful tour with the rock legends, Glenn Hughes and Joe Lynn Turner (HTP) that secured the quintet a place in the European Melodic Metal scene. With a harder edged sound, Domain still had a good following. And that was when the career of the guitarist Axel "Ironfinger" Ritt (Grave Digger), ex-vocalist Carsten Lizard Schulz (Evidence One et al.), and the long-term band mates keyboarder Erdmann Lange, ex-bass player Jochen Mayer (Boysvoice, Demon Drive, Casanova) and the ex-drummer Stefan Köllner really began…

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https://wn.com/Domain_(band)

In mathematics, and more specifically in naive set theory, the **domain of definition** (or simply the **domain**) of a function is the set of "input" or argument values for which the function is defined. That is, the function provides an "output" or value for each member of the domain. Conversely, the set of values the function takes on as output is termed the image of the function, which is sometimes also referred to as the range of the function.

For instance, the domain of cosine is the set of all real numbers, while the domain of the square root consists only of numbers greater than or equal to 0 (ignoring complex numbers in both cases). When the domain of a function is a subset of the real numbers, and the function is represented in an *xy* Cartesian coordinate system, the domain is represented on the *x*-axis.

Given a function *f*:*X*→*Y*, the set *X* is the **domain** of *f*; the set *Y* is the codomain of *f*. In the expression *f*(*x*), *x* is the **argument** and *f*(*x*) is the **value**. One can think of an argument as an input to the function, and the value as the output.

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**Global** (often written in all capitalized letters as **GLOBAL**) is a brand of cutlery products made by Yoshikin of Japan. Their selection of knives are known for their distinctive one piece, molybdenum/vanadium stainless steel design. These are considered premium level products with a single knife often costing upwards of $100 (USD). Global products can often be found at specialty cooking retailers.

Compared to conventional European knives such as PUMA,J. A. Henckels or Wusthof, Global knives are made from a significantly harder alloy of steel, use a thinner blade thickness, and are ground to a narrower angle. This produces an extremely sharp knife which keeps its edge longer and allows for more accurate work, but takes longer to sharpen when it becomes dull. Because of this, the manufacturer recommends using whetstones and ceramic sharpening rods as opposed to the European sharpening steel. In addition, Global knives are renowned for their surprisingly light weight and even balance, a trait achieved by hollowing out the handle during production.

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https://wn.com/Global_(cutlery)

* Global* is the 25th studio album by American rock musician Todd Rundgren. It was released in April 2015.

All tracks are written by Todd Rundgren.

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* Global*, styled also as

*Global* replaced *The Hub*, which originally was an edition of *World News Today* and served as a news 'nerve centre' for South Asia and the Middle East, providing both the headlines, and detailed analysis of the global news agenda.

*Global* is aired from 15:00–16:30 GMT (16:00–17:30 BST in summer time), Monday to Friday on BBC World News, usually followed by an edition of *World Business Report*.

When Jon Sopel presented, the title sequence ends by stating '* Global with Jon Sopel'*. However, when he does not, as he is often on assignment, the titles only show '

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