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All articles starting with G

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Grotesque theatre

Grotesque theatre (teatro del grottesco) is an Italian dramatic movement of the 1910s and 1920s, named after Luigi Chiarelli's comedy La maschera e il volto.

Grotesquerie (TV series)

Grotesquerie: 10-episode 2024 FX horror drama by Ryan Murphy, Jon Robin Baitz, and Joe Baken; Detective Lois Tryon (Niecy Nash-Betts) and nun Sister Megan investigate ritual murders; ended after one season with a cliffhanger, no Season 2.

Grothendieck construction

The Grothendieck construction turns an indexed category, a functor assigning a category to each object of a base category, into a single total category over the base, giving an equivalence between indexed categories and Grothendieck fibrations.

Grothendieck spectral sequence

The Grothendieck spectral sequence is a tool in homological algebra that computes the derived functors of a composite of two functors; Grothendieck introduced it in 1957.

Grothendieck topology

A Grothendieck topology is a structure on a category specifying which families of morphisms count as coverings, generalizing open covers; a category with one is called a site.

Grothendieck topos

A Grothendieck topos is a category equivalent to sheaves of sets on a site, introduced by Alexander Grothendieck in SGA 4 (1963–1964) as the framework for étale cohomology.

Grothendieck's Galois theory

Grothendieck's Galois theory is Alexander Grothendieck's axiomatic reformulation of Galois theory, covering space theory, and the algebraic fundamental group, given in SGA 1 (1960/61); it characterizes Galois categories via a fiber functor.

Groton School

Groton School (Massachusetts, founded 1884 by Endicott Peabody) is an elite Episcopal coeducational boarding school with 380 students, 4:1 ratio, FDR among alumni, and GRAIN need-blind financial aid.

Groton, Connecticut

Groton, Connecticut: a New London County town between the Thames and Mystic Rivers, settled 1650, incorporated 1705. Home of Electric Boat, Naval Submarine Base New London, the USS Nautilus, and the 'Submarine Capital of the World.'

Grotta

Íþróttafélagið Grótta (Grotta), Icelandic multi-sports club in Seltjarnarnes founded 24 April 1967 by Garðar Guðmundsson; gymnastics, handball, and football departments; home ground Vivaldivöllurinn.

Grotta della Vipera

Grotta della Vipera (Grutta e sa Pibera, Viper's Cave) is a Roman rock-cut tomb in Cagliari, Sardinia, built late 1st-early 2nd century AD by Lucio Cassio Filippo for his wife Atilia Pomptilla, with 16 Latin and Greek inscriptions and two carved snakes on the pediment.

Grotta di Cocceio

Grotta di Cocceio (Grotta della Pace), a Roman tunnel by Lucius Cocceius Auctus, 38-36 BC, cut in Monte Grillo tufa linking Cumae to Lake Averno as part of the Portus Iulius; about 920 m long, damaged in 1943, now a protected bat refuge.

Grotta di Paris

Grotta di Paris, or Nymphaeum of Paris, is a Roman nymphaeum of a 2nd-century BC Republican villa at San Vittorino near Tivoli, Lazio, Italy; a tuff-cut opus incertum fountain hall, not the Paris catacombs or Arcy-sur-Cure caves.

Grotta di Seiano

Grotta di Seiano, also called Grotta di Posillipo, is a roughly 770-meter Roman road tunnel cut in tuff under the Posillipo hill of Naples, built by Cocceius Auctus for Agrippa and named after Sejanus, now the entrance to the Pausilypon archaeological park.

Grotta Oscura

Grotta Oscura, also called Tufo Giallo della Via Tiberina, is a yellow volcanic tuff quarried along the Via Tiberina on Rome's right Tiber bank, used in the Servian Wall, Temple C, and the Lapis Niger cippus.

Grotta Paglicci

Grotta Paglicci (Paglicci Cave), Rignano Garganico, Apulia: major Italian Paleolithic cave with a 12 m sequence from ~200,000 to 11,000 BP, Gravettian burials, Italy's only proven Paleolithic wall paintings, and a 32,600-year-old oat-processing pestle.

Grotta Papale

Grotta Papale is a large Roman villa in the Tivoli territory, Lazio, on two terraces south of via di Pomata, with a late republican and imperial phase, an apsidal nymphaeum giving the modern toponym, and attribution to T. Aelius Ruber.

Grotta Trinità

Grotta Trinità, or Grotta della Trinità, names Italian cave religious sites: a ruined hermitage church in a cave at Furore on the Amalfi Coast known since 1138, and an excavated cave near Ruffano, Lecce, an Italo-Greek asceterio later titled Santissima Trinità.

Grottacce

Grottacce: Roman seaside villa (villa maritima) at Santa Marinella on the Via Aurelia, km 58.200, with 14 vaulted cisterns and a 55 m semicircular fishpond; occupied 1st to 6th century AD; distinct from Le Grottacce near Anzio.

Grottarossa

Grottarossa, an archaeological zone on Rome's northern outskirts at the sixth mile of the via Flaminia, features monumental Roman mausolea, a nymphaeum, and the unique 1964-discovered mummy of a mummified Roman girl aged 7 to 8.

Grottasöngr

Grottasöngr is an Old Norse poem about the giant maidens Fenja and Menja, enslaved by King Fróði to grind gold at the magic mill Grotti until they grind his destruction.

Grotte di Catullo

Grotte di Catullo, Grottoes of Catullus, ruins of a large Augustan-age Roman villa on the tip of the Sirmione peninsula, Lake Garda, Italy; about two hectares, wrongly named for the poet Catullus, with an archaeological museum and ongoing excavations.

Grotte di S. Nicola

Grotte di S. Nicola is a locality in Colli sul Velino, Rieti, Italy, known for the remains of Villa d'Assio, a Roman villa owned by Quintus Axius.

Grotte di Torri

Grotte di Torri, Fara in Sabina (Rieti): archaeological complex of cyclopean polygonal walls, grottoes, and a Roman villa platform, dated to the second half of the 2nd century BC, variously read as villa or sanctuary.

Grotte Scalina

Grotte Scalina (Viterbo, Italy) is a monumental Hellenistic Etruscan rock-cut tomb of about 320 BC near Musarna, with a 14 m three-storey porticoed facade inspired by Macedonian palaces, six-bed banqueting hall, and twin dromoi; rediscovered 1998, excavated 2010-2019.

Grotthuss mechanism

The Grotthuss mechanism, proposed by Theodor von Grotthuss in 1805, moves protons through hydrogen-bonded networks by successive hops, explaining their anomalously high mobility in water and enabling conduction in fuel-cell membranes.

Grotto

A grotto is a small cave, natural or artificial, or a cave-like structure built for shelter, worship, display, or pleasure, such as garden chambers and Buddhist cave temples.

Grotto (National Speleological Society)

A grotto is a local chapter or caving club of the National Speleological Society (NSS), founded 1941. Over 250 grottos exist, chartered with NSS-approved bylaws and five NSS members, grouped into regions.

Grotto of Our Lady of Lourdes, Notre Dame

The Grotto of Our Lady of Lourdes at the University of Notre Dame is a one-seventh-scale replica of the Lourdes shrine, built in 1896 with an endowment from Rev. Thomas Carroll, using farm boulders, and serving as the campus's principal site of Marian devotion.

Grouch in Dub

Grouch in Dub is the dub and reggae-inflected live project launched in 2018 by Oscar Allison, a New Zealand electronic producer who records psytrance as Grouch.