But as early as 1916, the astrophysicist Karl Schwarzschild found the first non-trivial exact solution to the Einstein field equations, the so-called Schwarzschild metric.

In particular, Einstein took the position that quantum mechanics must be incomplete, which motivated research into so-called hidden-variable theories.

Fermions respect the so-called Fermi – Dirac statistics while bosons respect the Bose – Einstein statistics.

Albert Einstein proposed this principle for his special theory of relativity ; however, that theory was limited to space-time coordinate systems related to each other by uniform relative motions only, the so-called " inertial frames.

This sequence includes footage of notable figures who had earned Adolf Hitler's wrath, such as physicist and Nobel laureate Albert Einstein and Rosa Luxemburg as representatives of so-called " international Jewry ".

The Einstein field equation is often written, with a so-called cosmological constant term, as

The shell model, developed in 1949, allowed some additional features to be explained, in particular the so-called magic numbers.

Later in the 1930s, Douglas Hartree, Vladimir Fock and John Slater developed the so-called Hartree-Fock wavefunction as an improvement over the Thomas-Fermi model.

It belongs to the so-called plane chart model, where observed latitudes and magnetic directions are plotted directly into the plane, with a constant scale, as if the Earth were a plane ( Portuguese National Archives of Torre do Tombo, Lisbon ).

According to the quark model, the properties of hadrons are primarily determined by their so-called valence quarks.

Most economic textbooks follow the practice of carefully explaining the perfect competition model, only because of its usefulness to understand " departures " from it ( the so-called imperfect competition models ).

Classical mechanics has especially often been viewed as a model for other so-called exact sciences.

Below the lambda line the liquid can be described by the so-called two-fluid model.

In the study of wireless communications, path loss can be represented by the path loss exponent, whose value is normally in the range of 2 to 4 ( where 2 is for propagation in free space, 4 is for relatively lossy environments and for the case of full specular reflection from the earth surface — the so-called flat-earth model ).

* Libanius and Eurasian political economy on the history of the so-called Libaniusian model

This approach can be proven secure in the so-called random oracle model.

His contemporaries were most struck by his invention of a so-called land yacht, a carriage with sails, of which a little model was preserved in Scheveningen until 1802.

( This aspect of the business ― so-called " promotionals " ― had existed since the ' 60s, but had established itself firmly in the company's culture in the ' 70s with numerous models, particularly of a 1-75 model, the no.

The 650 was marketed to scientific and engineering users as well as users of existing IBM unit record equipment ( electro-mechanical punched card-processing machines ) upgrading from so-called Calculating Punches, like the IBM 604 model, to computers proper.

From this an argument can be made that institutionalizing children in a so-called " one size fits all " or " factory model " school is an inefficient use of the children's time, because it requires each child to learn a specific subject matter in a particular manner, at a particular pace, and at a particular time regardless of that individual's present or future needs, interests, goals, or any pre-existing knowledge he or she might have about the topic.

Many later demos feature so-called ' multicolor ' effects ( changing the color attributes of the ZX Spectrum's display configuration of 768 character blocks ), which have to be fixed to a specific ZX Spectrum model.

The so-called Sapir – Whorf Hypothesis is perhaps a misnomer insofar as the approach to science taken by these two differs from the positivist, hypothesis-driven model of science.

As of the early 2000s, the neutral theory is widely used as a " null model " for so-called null hypothesis testing.

One of the most common examples is the so-called Magueijo-Smolin basis ( Also known as the DSR2 model ), in which:

Together with model theory, axiomatic set theory, and recursion theory, proof theory is one of the so-called four pillars of the foundations of mathematics.

Therefore the parallel development of a so-called " mobilization model " was ordered, while T-64 development and production continued.

It is a classic of Russian literature, and its eponymous protagonist has served as the model for a number of Russian literary heroes ( so-called superfluous men ).

He rejects dualism and also dismisses newer hypotheses such as the so-called ' computational ' model of consciousness, which liken the brain's functions to the operations of a computer.

This has led to the development of a so-called concordance ΛCDM model which combines detailed data obtained with new telescopes and techniques in observational astrophysics with an expanding, density-changing universe.

The Steady State model proposed that this radiation could be accounted for by so-called " integrated starlight " which was a background caused in part by Olbers ' paradox in an infinite universe.

It is a weakness of Gabriel's analysis that he never seems to realize that his so-called fundamental law had already been cut loose from its foundations when it was adapted to democracy.

One of the most significant advancements in design of plastics signs is the so-called trans-illuminated billboard, now being produced by several large sign manufacturers such as Advance Neon Sign Co., Los Angeles, and Industrial Electric Inc., New Orleans, La..

This slip is so-called because its semi-ambiguous English always seems to refer to a person's anatomy but never quite means what it seems to say.

Her conclusion has been borne out in the experience of many practitioners: `` short-contact interviewing is neither a truncated nor a telescoped experience but is of the same essential quality as the so-called intensive case work ''.

Technique pure and simple, rendition, is not of major importance, but it is interesting that Parker, following Lester Young, was one of the leaders of the so-called saxophone revolution.

Pope Pius 12, declared in 1951 that it is possible to be exempt from the normal obligation of parenthood for a long time and even for the whole duration of married life, if there are serious reasons, such as those often mentioned in the so-called medical, eugenic, economic and social `` indications ''.

The so-called vegetable ivory is the hard endosperm of the egg-sized seed.

One is that whatever is ecumenical has to do with some over-all organization at `` the top '' and needs only to be understood at the so-called `` lower levels ''.

Andalusian so-called Algerian classical music is a musical style that was reported in Algeria by Andalusian refugees who fled the inquisition of the Christian Kings from the 11th century, it will develop considerably in the cities of the North of the Algeria.

The life-size so-called " Adonis " found in 1780 on the site of a villa suburbana near the Via Labicana in the Roman suburb of Centocelle is identified as an Apollo by modern scholars.

He is the so-called " Mad Arab " credited with authoring the imaginary book Kitab al-Azif ( the Necronomicon ), and as such is an integral part of Cthulhu Mythos lore.

The area around Abensberg, the so-called sand belt between Siegburg, Neustadt an der Donau, Abensberg and Langquaid, is used for the intensive farming of asparagus, due to the optimal soil condition and climate.

For example, a common claim is that individuals who are diagnosed with one of the so-called " lesser disabilities " are being " accommodated " when they should not be.

There is no contemporary evidence that Alfred and Guthrum agreed upon a formal treaty at this time ; the so-called Treaty of Wedmore is an invention of modern historians.

Many of the sweets produced in this region, such as quince, sweet potato, molasses and dulce de cayote jams, have given rise to a very well known and easily made dessert referred to as vigilante, or to so-called queso y dulce ( where a piece of fresh cheese is served with one of the sweets mentioned above ).

For this reason, parallel computing is only useful for either small numbers of processors, or problems with very high values of P: so-called embarrassingly parallel problems.

cAMP ( cyclic adenosine monophosphate ) is an important molecule in eukaryotic signal transduction, a so-called second messenger.

This is equivalent to the so-called flexible identity

The so-called dezincification resistant ( DZR or DR ) brasses are used where there is a large corrosion risk and where normal brasses do not meet the standards.

The hard outer layer of bones is composed of compact bone tissue, so-called due to its minimal gaps and spaces.