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John Hazzidakis
Ioannis "John" N. Hazzidakis (Ιωάννης Χατζιδάκις, or ''Hatzidakis'' or ''Chatzidakis'', April 13, 1844 – 1921) was a Greek mathematician, physicist, author, and professor. He is one of the most important mathematicians of the modern Greek scientific era. His professor was world renowned Greek mathematician Vassilios Lakon. He also studied with famous German mathematicians Ernst Kummer, Leopold Kronecker, Karl Weierstrass. He systematically worked in the field of research and education. He wrote textbooks in the field of algebra, geometry, and calculus. Hazzidakis essentially adopted some elements of Lacon's Geometry. He introduced the Hazzidakis transform in differential geometry. The Hazzidakis formula for the Hazzidakis transform can be applied in proving Hilbert's theorem on negative curvature, stating that hyperbolic geometry does not have a model in 3-dimensional Euclidean space. Biography He was born in Crete, Ottoman Empire in 1844. He completed hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rethymno
Rethymno (also Rethymnon; ) is a city in Greece on the island of Crete. It is the capital of Rethymno regional unit, and has a population of more than 35,000 inhabitants (nearly 40,000 for the municipal unit). It is believed to have been built on the site of the earlier city of Rhithymna. History Rethymno is believed to have been built on the site of the earlier city of Rhithymna. Some sources mention a city called Arsinoe which some scholars have proposed stood at the same site. Rethymno began a period of growth when the Venetian conquerors of the island decided to establish an intermediate commercial station between Heraklion and Chania, acquiring its own bishop and nobility in the process. Today's old town (''palia poli'') was almost entirely built by the Republic of Venice. It is one of the best-preserved old towns in Crete. From circa 1250 the city was the seat of the Latin Diocese of Retimo, which was renamed Retimo–Ario after the absorption in 1551 of the D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syros
Syros ( ), also known as Siros or Syra, is a Greece, Greek island in the Cyclades, in the Aegean Sea. It is south-east of Athens. The area of the island is and at the 2021 census it had 21,124 inhabitants. The largest towns are Ermoupoli, Ano Syros, and . Ermoupoli is the capital of the island, the Cyclades, and the South Aegean. It has always been a significant port town, and during the 19th century it was even more significant than Piraeus. Other villages are Galissas, Foinikas, Pagos, Manna, Kini, Azolimnos Syros, Azolimnos and Poseidonia. Ermoupoli Ermoupoli () stands on a naturally amphitheater, amphitheatrical site, with neo-classical buildings, old mansions, and white houses cascading down to the harbour. It was built during the Greek War of Independence in the 1820s. The city hall is in the center of the town, in Miaoulis Square, ringed with cafés, seating areas, and palm trees. Dubbed the "City of Hermes", Syros has numerous churches, such as Metamorphosis, Koimisi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Rethymno (regional Unit)
The term "the people" refers to the public or common mass of people of a polity. As such it is a concept of human rights law, international law as well as constitutional law, particularly used for claims of popular sovereignty. In contrast, a people is any plurality of persons considered as a whole. Used in politics and law, the term "a people" refers to the collective or community of an ethnic group or nation. Concepts Legal Chapter One, Article One of the Charter of the United Nations states that "peoples" have the right to self-determination. Though the mere status as peoples and the right to self-determination, as for example in the case of Indigenous peoples (''peoples'', as in all groups of indigenous people, not merely all indigenous persons as in ''indigenous people''), does not automatically provide for independent sovereignty and therefore secession. Indeed, judge Ivor Jennings identified the inherent problems in the right of "peoples" to self-determination, as i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Academic Staff Of The National Technical University Of Athens
An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of tertiary education. The name traces back to Plato's school of philosophy, founded approximately 386 BC at Akademia, a sanctuary of Athena, the goddess of wisdom and Skills, skill, north of Ancient Athens, Athens, Greece. The Royal Spanish Academy defines academy as scientific, literary or artistic society established with public authority and as a teaching establishment, public or private, of a professional, artistic, technical or simply practical nature. Etymology The word comes from the ''Academy'' in ancient Greece, which derives from the Athenian hero, ''Akademos''. Outside the city walls of Athens, the Gymnasium (ancient Greece), gymnasium was made famous by Plato as a center of learning. The sacred space, dedicated to the goddess of wisdom, Athena, had formerly been an olive Grove (nature), grove, hence the expression "the groves of Academe". In these gardens, the philos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National And Kapodistrian University Of Athens Alumni
National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, census-designated place * National, Nevada, ghost town * National, Utah, ghost town * National, West Virginia, unincorporated community Commerce * National (brand), a brand name of electronic goods from Panasonic * National Benzole (or simply known as National), former petrol station chain in the UK, merged with BP * National Book Store, a bookstore and office supplies chain in the Philippines * National Car Rental, an American rental car company * National Energy Systems, a former name of Eco Marine Power * National Entertainment Commission, a former name of the Media Rating Council * National Motor Vehicle Company, Indianapolis, Indiana, USA 1900–1924 * National Radio Company, Malden, Massachusetts, USA 1914–1991 * National Supermarke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
19th-century Greek Mathematicians
The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). It was the 9th century of the 2nd millennium. It was characterized by vast social upheaval. Slavery was abolished in much of Europe and the Americas. The First Industrial Revolution, though it began in the late 18th century, expanded beyond its British homeland for the first time during the 19th century, particularly remaking the economies and societies of the Low Countries, France, the Rhineland, Northern Italy, and the Northeastern United States. A few decades later, the Second Industrial Revolution led to ever more massive urbanization and much higher levels of productivity, profit, and prosperity, a pattern that continued into the 20th century. The Catholic Church, in response to the growing influence and power of modernism, secularism and materialism, formed the First Vatican Council in the late 19th century to deal with such problems and confirm ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emigrants From The Ottoman Empire To Greece
Emigration is the act of leaving a resident country or place of residence with the intent to settle elsewhere (to permanently leave a country). Conversely, immigration describes the movement of people into one country from another (to permanently move to a country). A migrant ''emigrates'' from their old country, and ''immigrates'' to their new country. Thus, both emigration and immigration describe migration, but from different countries' perspectives. Demographers examine push and pull factors for people to be pushed out of one place and attracted to another. There can be a desire to escape negative circumstances such as shortages of land or jobs, or unfair treatment. People can be pulled to the opportunities available elsewhere. Fleeing from oppressive conditions, being a refugee and seeking asylum to get refugee status in a foreign country, may lead to permanent emigration. Forced displacement refers to groups that are forced to abandon their native country, such as by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1921 Deaths
Events January * January 2 ** The Association football club Cruzeiro Esporte Clube, from Belo Horizonte, is founded as the multi-sports club Palestra Italia by Italian expatriates in First Brazilian Republic, Brazil. ** The Spanish liner ''Santa Isabel'' breaks in two and sinks off Villa Garcia, Mexico, with the loss of 244 of the 300 people on board. * January 16 – The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa. * January 17 – The first recorded public performance of the illusion of "sawing a woman in half" is given by English stage magician P. T. Selbit at the Finsbury Park Empire variety theatre in London. * January 20 – British K-class submarine HMS K5, HMS ''K5'' sinks in the English Channel; all 57 on board are lost. * January 21 – The full-length Silent film, silent comedy drama film ''The Kid (1921 film), The Kid'', written, produced, directed by and starring Charlie Chaplin (in his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1844 Births
In the Philippines, 1844 had only 365 days, when Tuesday, December 31 was skipped as Monday, December 30 was immediately followed by Wednesday, January 1, 1845, the next day after. The change also applied to Caroline Islands, Guam, Marianas Islands, Marshall Islands and Palau as part of the Captaincy General of the Philippines; these became the first places on Earth to redraw the International Date Line. Events January–March * January 4 – The first issue of the Swedish-languaged ''Saima'' newspaper founded by J. V. Snellman is published in Kuopio, Finland. * January 15 – The University of Notre Dame, based in the city of the same name, receives its charter from Indiana. * February 27 – The Dominican Republic gains independence from Haiti. * February 28 – A gun on the USS ''Princeton'' explodes while the boat is on a Potomac River cruise, killing U.S. Secretary of State Abel Upshur, U.S. Secretary of the Navy Thomas Walker Gilmer and four other people. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Academy Of Athens (modern)
The Academy of Athens (, ''Akadimía Athinón'') is Greece's national academy, and the highest research establishment in the country. It was established in 1926, with its founding principle tracing back to the historical Academy of Plato, and operates under the supervision of the Ministry of Education. The Academy's main building is one of the major landmarks of Athens. History and structure The organization of the Academy of Athens, whose title hearkens back to the ancient Academy of Plato, was first established on 18 March 1926, and its charter was ratified by the law 4398/1929. This charter, with subsequent amendments, is still valid and governs the Academy's affairs. According to it, the Academy is divided into three Orders: Natural Sciences, Letters and Arts, Moral and Political Sciences. Research centres The Academy today, maintains 14 research centres, 5 research offices and the "Ioannis Sykoutris" library. In 2002, the Foundation for Biomedical Research of the Ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
