* Weil – Châtelet group

400 AD ), Ada Lovelace ( 1815 – 1852 ), Maria Gaetana Agnesi ( 1718 – 1799 ), Emmy Noether ( 1882 – 1935 ), Sophie Germain ( 1776 – 1831 ), Sofia Kovalevskaya ( 1850 – 1891 ), Alicia Boole Stott ( 1860 – 1940 ), Rózsa Péter ( 1905 – 1977 ), Julia Robinson ( 1919 – 1985 ), Olga Taussky-Todd ( 1906 – 1995 ), Émilie du Châtelet ( 1706 – 1749 ), Mary Cartwright ( 1900 – 1998 ), Olga Ladyzhenskaya ( 1922 – 2004 ), and Olga Oleinik ( 1925 – 2001 ).

Châtelet – Les Halles, with 5 Métro lines and three RER commuter rail lines, is the world's largest Metro ( Subway ) station.

* 1749 – Émilie du Châtelet, in her French translation and commentary on Newton's Philosophiae Naturalis Principia Mathematica, derives the conservation of energy from the first principles of Newtonian mechanics.

The RER network came into being on 9 December 1977 with the joining of the eastern Nation-Boissy segment and the western Auber-Saint-Germain-en-Laye segment at Châtelet – Les Halles.

The southern Ligne de Sceaux was simultaneously extended from Luxembourg to meet Line A at Châtelet – Les Halles, becoming the new Line B.

* Line B was extended to Gare du Nord in 1981 with a new deep tunnel from Châtelet – Les Halles.

* Line D ( north to south-east via Châtelet – Les Halles ) was completed in 1995 with the construction of a deep tunnel between Châtelet – Les Halles and Gare de Lyon.

No new building work was necessary at Châtelet – Les Halles, as additional platforms for Line D had been built at the time of the station's construction 20 years earlier.

* Weil – Châtelet group in mathematics

Under the title Les troyens à Carthage, the last three acts were premièred with many cuts by Léon Carvalho's company, the Théâtre Lyrique, at their theatre ( now the Théâtre de la Ville ) on the Place du Châtelet in Paris on 4 November 1863, with 21 repeat performances.

To mark the bicentenary of Berlioz's birth in 2003, Les Troyens was revived in productions at the Théâtre du Châtelet in Paris ( conducted by John Eliot Gardiner ), Amsterdam ( conducted by Edo de Waart ), and at the Metropolitan Opera ( with the American mezzo-soprano Lorraine Hunt Lieberson as Dido, conducted by James Levine ).

Restif de la Bretonne saw the bodies piled high in front of the Châtelet and witnessed atrocities that he recorded in Les Nuits de Paris ( 1793 ).

# REDIRECT Gare de Châtelet – Les Halles

# REDIRECT Gare de Châtelet – Les Halles

As Les Sylphides, what we consider the work was premiered by Sergei Diaghilev's Ballets Russes on 2 June 1909 at Théâtre du Châtelet, Paris.

This version, now titled Les Sylphides, was first staged at the Théâtre du Châtelet on 2 June 1909.

# REDIRECT Gare de Châtelet – Les Halles

* Châtelet-Les Halles ( Paris RER ), the central commuter train station in Paris, attached to both the Châtelet and Les Halles metro stations

She has also conducted Pelléas et Mélisande ( Covent Garden, London ), Le Comte Ory ( Glyndebourne Festival ), Cosi fan tutte ( Opera North ), Chabrier's L ' étoile ( Edinburgh Festival ), Zaïde and Der Schauspieldirektor ( Bastille ), L ' Enfant et les Sortilèges ( Châtelet ), Boîeldieu's La Dame Blanche ( Opéra Comique, Paris ), Mitridate, La Donna del lago, Die Zauberflöte, Le Nozze di Figaro and Bastien und Bastienne ( Nice ), La Clemenza di Tito ( Orléans ), La Traviata ( Nancy ), Idomeneo and Cosi fan tutte ( Liège ), Maria Stuarda ( Torino ), La Cenerentola ( Rome ) and Les Oiseaux de passage ( Bologna ).

In 2000, he released the album Châtelet Les Halles, whose title song was produced by Calogero.

* 1999: Châtelet Les Halles

Châtelet – Les Halles is the major commuter train hub in Paris.

Taken together with the Paris Métro stations Châtelet and Les Halles, to which it is directly connected, hosts travellers per week day ( including interchanges ), for the RER only.

It is named after the Châtelet monument and the former market of Les Halles.

A large underground network is formed in conjunction with the Châtelet and Les Halles Métro stations.

Every day, 750, 000 travelers pass through Châtelet – Les Halles, including 493, 000 just for the RER.

Both central platforms are reserved for Line D. The benefit is that same-direction connections between RER A and RER B can be made on the same platform as the destinations, and that RER D trains which terminate at Châtelet – Les Halles can use the centre track.

The southern end of Châtelet – Les Halles is connected to the Métro station of Châtelet, and the northern end is connected to the Métro station of Les Halles.

The nationally televised award ceremony is held in the Théâtre du Châtelet in Paris each February.

Châtelet () is a Walloon municipality located in the Belgian province of Hainaut, on the river Sambre.

It is composed of three separate entities: Châtelet, Bouffioulx and Châtelineau.

The 20th century was not kind to the region but despite having witnessed two world wars and the decline of most of its industries, Châtelet is now again a regional center for trade, culture, and educational services.

* Émilie du Châtelet publishes Institutions de Physique, including a demonstration that the energy of a moving object is proportional to the square of its velocity ( E < sub > k </ sub > = mv² ).

The Boulevard de Strasbourg is so called because it was built by Baron Haussmann to connect the Place du Châtelet with the Gare de l ' Est whence trains to Strasbourg depart.

In arithmetic geometry, the Weil – Châtelet group or WC-group of an algebraic group such as an abelian variety A defined over a field K is the abelian group of principal homogeneous spaces for A, defined over K. named it for who introduced it for elliptic curves, and, who introduced it for more general groups.

For K a finite field, proved that the Weil – Châtelet group is trivial for elliptic curves, and proved that it is trivial for any algebraic group.

The official dossier of Favras ' trial for high treason against the nation disappeared from the Châtelet, but its substance is preserved in the papers of a clerk.

The walking distance from the RER lines at Châtelet – Les Halles to Métro Line 7 at the far end of Châtelet is about 750 metres.

In February 2010, she played Madame Armfeldt in A Little Night Music at the Théâtre du Châtelet in Paris, which also featured Greta Scacchi and Lambert Wilson.

* Châtelet also boasts several green areas, including the Sebastopol reservation, which contains old quarries and an extensive bird population, the municipal woods ( Bois Communal ), with a bat-filled cave, and the municipal park, located at the heart of the city.

He has also composed a few concert works including one opera, The Fly, based on the plot ( though not his score ) of Cronenberg's 1986 film premiered at the Théâtre du Châtelet in Paris on 2 July 2008., a short piece Fanfare for the Wanamaker Organ and the Philadelphia Orchestra, and a short overture for the Swiss 21st Century Symphony Orchestra.

This revival was also supported by co-commissioners Théâtre du Châtelet, Het Muziektheater and English National Opera.

He has also directed opera for Kent Opera, Covent Garden, Glyndebourne, Paris Opéra, Théâtre du Châtelet, Grand Théâtre de Genève and Bavarian State Opera.

She has also sung in Paris, at the Châtelet, the Opéra de Paris and the Théâtre des Champs-Elysées, in Lyon and Marseille.