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This translation of a 12th century philosophical and ethical classic, mainly in the neo-Platonic tradition, is a key work in the development of medieval Jewish thought, in that it shows an Aristotelian influence.Among the many major topics it treats are the theories of cosmogony and repentance. ... Read more

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Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Omar Khayyám, Adelard of Bath, Abraham Bar Hiyya, Al-Khazini, Bhāskara Ii, Sharaf Al-Dīn Al-Ṭūsī, Acharya Hemachandra, Ibn Yahyā Al-Maghribī Al-Samaw'al, Ayn Al-Quzat Hamadani, Brahmadeva, Gopala. Source: Wikipedia. Free updates online. Not illustrated. Excerpt: Omar Khayyám (Persian: ), (born 18 May 1048 AD, Neyshapur, Persia (Iran)1131 AD, Neyshapur, Persia), was a Persian Muslim polymath, mathematician, philosopher, astronomer, physician, and poet. He also wrote treatises on mechanics, geography, and music. He became established as one of the major mathematicians and astronomers of the medieval period. Recognized as the author of the most important treatise on algebra before modern times as reflected in his Treatise on Demonstration of Problems of Algebra giving a geometric method for solving cubic equations by intersecting a hyperbola with a circle. He also contributed to the calendar reform and may have proposed a heliocentric theory well before Copernicus. His significance as a philosopher and teacher, and his few remaining philosophical works, have not received the same attention as his scientific and poetic writings. Zamakhshari referred to him as the philosopher of the world. Many sources have also testified that he taught for decades the philosophy of Ibn Sina in Nishapur where Khayyám lived most of his life, died, and was buried and where his mausoleum remains today a masterpiece of Iranian architecture visited by many people every year. Outside Iran and Persian speaking countries, Khayyám has had impact on literature and societies through translation and works of scholars. The greatest such impact among several others was in English-speaking countries; the English scholar Thomas Hyde (16361703) was the first non-Persian to study him. However the most influential of all...More: http://booksllc.net/?id=92550 ... Read more

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Chapters: Abraham Ibn Ezra, Abraham Bar Hiyya, Ibn Arabi, Abū Ishāq Ibrāhīm Al-Zarqālī, Arnaldus de Villa Nova, Isaac Israeli Ben Joseph, Ibn Al-Kattani, Abiathar Crescas. Source: Wikipedia. Pages: 46. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt:(also Abraham ben Chija) (Hebrew: Abraham son of Hiyya "the Prince") ("Abraham ben Hiyya alBargeloni") ("Abraham Judaeus", "Abraham ben Chiya albargeloni Ha'Nasi" ) ("Rabeinu Avraham Bar Chiya HaNasi" ) ("R' Avraham ben Chiya Hanasi mi'Barcelona" ) (Avraham ben Chiya Hanasi medinat Bartselona) (Abraham ben Chiva ) (Abraham Ben Chaja ) (Abraham ben Chaja ben Rabbi Chiya, or Chaja or Haija) (Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona, Catalonia 1145 Narbonne, France) was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the title of prince. Savasorda is a Latinized degeneration of the Arabic title and scholars assume that Bar Hiyya would have obtained this title in the court of Banu Hud of Saragossa-Lerida; there is even a record of a Jewish Savasorda there in the be...More: http://booksllc.net/?id=628931 ... Read more

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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Fibonacci, Alcuin, Adelard of Bath, Thomas Bradwardine, Abraham Bar Hiyya, Jordanus de Nemore, Abacus School, Nicole Oresme, Paolo Dagomari Di Prato, Witelo, Oxford Calculators, Hermann of Reichenau, Plato Tiburtinus. Excerpt:Abacus or abaco refers to calculations, especially the subject of direct calculations, using Hindu numerals without the help of the abacus (an instrument for calculating) . Abacus school is a term applied to any Italian school or tutorial after the 13th century, whose commerce-directed curriculum placed special emphasis on mathematics, such as algebra , among other subjects . These schools sprang after the publication of Fibonacci s Book of the Abacus and his introduction of the Hindu-Arabic numeral system . In Fibonacci s viewpoint, this system, originating in India around 400 B.C.E. and later adopted by the Arabs, was simpler and more practical than using the existing Roman numeric tradition. Italian merchants and traders quickly adopted the structure as a means of producing accountants, clerks, and so on, and subsequently abacus schools for students were established . These were done in many ways: communes could appeal to patrons to support the institution and find masters; religious institutions could finance and oversee the curriculum ; independent masters could teach pupils. Unless they were selected for teaching occupations that were salaried, most masters taught students who could pay as this was their main source of income . Significance Abacus schools were significant for a couple of reasons: Firstly, because mathematics was associated with many professions, including trade , there was an increasing need to do away with the old Roman numeral system which produced too many errors . The number of Roman characters a merchant needed to memorize to c... ... Read more

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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Harald Iv of Norway, William de Corbeil, Abraham Bar Hiyya, Gwenllian Ferch Gruffydd, Hugues de Payens, Leopold Iii, Margrave of Austria, Zayn Al-Din Al-Jurjani, Richard Fitz Gilbert de Clare, Robert Fitz Richard, Jutta Von Sponheim, Jutta, Al-Rashid, Ugo Da Parlascio Ebriaco, Romuald I, Anselm V, Peter of Juilly, Conrad Ii, Count of Luxembourg, William Vi, Count of Auvergne, Anselm of Gembloux. Excerpt:Abraham bar Hiyya Ha-Nasi Abraham bar iyya ha-Nasi (also Abraham ben Chija ) (Hebrew : Abraham son of Hiyya "the Prince" ) (" Abraham ben Hiyya alBargeloni " ) ( "Abraham Judaeus" , " Abraham ben Chiya albargeloni Ha'Nasi " ) (" Rabeinu Avraham Bar Chiya HaNasi " ) ( "R' Avraham ben Chiya Hanasi mi'Barcelona" ) ( Avraham ben Chiya Hanasi medinat Bartselona ) ( Abraham ben Chiva ) ( Abraham Ben Chaja ) ( Abraham ben Chaja ben Rabbi Chiya , or Chaja or Haija ) ( Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona , Catalonia 1145 Narbonne , France ) was a Catalan Jewish mathematician , astronomer and philosopher , also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Overview Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation . Bar Hiyya wrote several scientific works in the fields of astronomy , mathematics , land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), an... ... Read more

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Chapters: Abraham Bar Hiyya, Enrique Zuazua, José Celestino Mutis, David Ríos Insua, Esteban Terradas I Illa, Juan Caramuel Y Lobkowitz, Josef de Mendoza Y Ríos, Abū Ishāq Ibrāhīm Al-Zarqālī, José Echegaray, Al-Jayyani, José-Miguel Bernardo. Source: Wikipedia. Pages: 54. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt:(also Abraham ben Chija) (Hebrew: Abraham son of Hiyya "the Prince") ("Abraham ben Hiyya alBargeloni") ("Abraham Judaeus", "Abraham ben Chiya albargeloni Ha'Nasi" ) ("Rabeinu Avraham Bar Chiya HaNasi" ) ("R' Avraham ben Chiya Hanasi mi'Barcelona" ) (Avraham ben Chiya Hanasi medinat Bartselona) (Abraham ben Chiva ) (Abraham Ben Chaja ) (Abraham ben Chaja ben Rabbi Chiya, or Chaja or Haija) (Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona, Catalonia 1145 Narbonne, France) was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the title of prince. Savasorda is a Latinized degeneration of the Arabic title and scholars assume that Bar Hiyya would have obtained this title in the court of Banu Hud of Saragoss...More: http://booksllc.net/?id=628931 ... Read more

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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Abraham Ibn Ezra, Jewish Views on Astrology, Philip Berg, Abraham Bar Hiyya, Mashallah, Jackie Stallone, David Gans, Sahl Ibn Bishr. Excerpt:Abraham bar Hiyya Ha-Nasi Abraham bar iyya ha-Nasi (also Abraham ben Chija ) (Hebrew : Abraham son of Hiyya "the Prince" ) (" Abraham ben Hiyya alBargeloni " ) ( "Abraham Judaeus" , " Abraham ben Chiya albargeloni Ha'Nasi " ) (" Rabeinu Avraham Bar Chiya HaNasi " ) ( "R' Avraham ben Chiya Hanasi mi'Barcelona" ) ( Avraham ben Chiya Hanasi medinat Bartselona ) ( Abraham ben Chiva ) ( Abraham Ben Chaja ) ( Abraham ben Chaja ben Rabbi Chiya , or Chaja or Haija ) ( Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona , Catalonia 1145 Narbonne , France ) was a Catalan Jewish mathematician , astronomer and philosopher , also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Overview Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation . Bar Hiyya wrote several scientific works in the fields of astronomy , mathematics , land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the title of prince. Savasorda is a Latinized degeneration of the Arabic title and scholars assume that Bar Hiyya would have obtained this title in the court of Banu Hud of Saragossa-Lerida; there is even a record of a Jewish Savasorda there in the beginning ... ... Read more

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Chapters: Arabic-hebrew Translators, Latin-hebrew Translators, Jacob Anatoli, Abraham Bar Hiyya, Reuven Snir, Joseph Kimhi, Avraham Shlonsky, Kalonymus Ben Kalonymus, Samuel Ibn Tibbon, Sasson Somekh, Moses Ibn Tibbon, Yehoshua Kenaz, Yehuda Alharizi, Judah Ben Saul Ibn Tibbon, Zerahiah Ben Shealtiel Ḥen, Shem-Tob Ben Isaac of Tortosa, Isaac Ben Reuben Albargeloni, Jacob Ben Machir Ibn Tibbon, Rami Saari, Nathan Judah Ben Solomon, Miriam Mosessohn, Judah Ben Isaac Cardinal, David Kalonymus Ben Jacob, Solomon Abigdor. Source: Wikipedia. Pages: 98. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt:(also Abraham ben Chija) (Hebrew: Abraham son of Hiyya "the Prince") ("Abraham ben Hiyya alBargeloni") ("Abraham Judaeus", "Abraham ben Chiya albargeloni Ha'Nasi" ) ("Rabeinu Avraham Bar Chiya HaNasi" ) ("R' Avraham ben Chiya Hanasi mi'Barcelona" ) (Avraham ben Chiya Hanasi medinat Bartselona) (Abraham ben Chiva ) (Abraham Ben Chaja ) (Abraham ben Chaja ben Rabbi Chiya, or Chaja or Haija) (Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona, Catalonia 1145 Narbonne, France) was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literall...More: http://booksllc.net/?id=628931 ... Read more

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Chapters: Ricardo Bofill, Jehuda Cresques, Spanish and Portuguese Jews, Petrus Alphonsi, Gabriel Milan, Abraham Bar Hiyya, Judah Halevi, Solomon Ibn Gabirol, Alfonso de Cartagena, Jacob Berab, Abner of Burgos, 1066 Granada Massacre, Jon Juaristi, Joseph Ibn Tzaddik, Paul of Burgos, Martín Varsavsky, Miguel de Barrios, Esther Koplowitz, Consort Marquise of Cubas, Judah Ben David Hayyuj, Bendigamos, Mike Mendoza, Mercedes Odina, Isaac Ben Sheshet, Moses Ibn Ezra, Isaac Aboab I, Judah Ben Saul Ibn Tibbon, Samuel Toledano, Joseph de La Vega, Judah Ben Barzillai, Irán Eory, Vladimir Gusinsky, Ibn Shaprut, Alicia Koplowitz, Marquise of Bellavista, Mayra Gómez Kemp, Abraham Miguel Cardoso, Meir Ben Ezekiel Ibn Gabbai, Nathalia Ramos, Shem-Tob Ben Isaac of Tortosa, Abraham Saba, Gabriel Abraham Rojas, Benjamin Musaphia, Luis de Santángel, Gerónimo de Santa Fe, Moses Hamon, Bodo, Mikel Herzog, Alphonso de Spina, Antonio de León Pinelo, Moses Botarel, Julian of Toledo, Bonastruc Desmaëstre, Jacob Ibn Habib, Samuel Ibn Naghrela, Bartolomé de Torres Naharro, Isaac Carasso, Levi Ibn Chaviv, Joseph Ben Hayyim Jabez, Jan Martín, Astruc Remoch, Abraham Ben Jacob Cansino, Isaac Campanton, Moses Ha-Kohen de Tordesillas, Enric Marco, Abraham Cresques, José Carlos Cataño, Jacob Ben David Ben Yomtob, Esther Bendahan, Ezmel de Ablitas, Samuel Shullam, John of Valladolid, Abraham Solomon Ben Isaac Ben Samuel Catalan, Isaac Aboab of Castile, Nissan Ben-Avraham, Joseph Vidal, Cansino Family, Álvar García de Santa María, Carasso Family, Pescado Frito, Abu Ibrahim Ibn Barun, Isaac Ibn Sid, Abraham of Aragon, Pablo Alvaro, Astruc Ha-Levi, Rodrigo Cota de Maguaque, Judah Ben Joseph Ibn Ezra, Juan Carrasco, Juan de Valladolid, Abraham Lévy-Bacrat, Vidal Benveniste, Corsono Carsono, Juan Alfonso de Baena, Elena Benarroch. Source: Wikipedia. Pages: 330. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book...More: http://booksllc.net/?id=2233890 ... Read more

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Chapters: Abraham Bar Hiyya, Josep Comas Solà, Dionís Renart, Lupitus of Barcelona, Jaume Nomen. Source: Wikipedia. Pages: 26. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt:(also Abraham ben Chija) (Hebrew: Abraham son of Hiyya "the Prince") ("Abraham ben Hiyya alBargeloni") ("Abraham Judaeus", "Abraham ben Chiya albargeloni Ha'Nasi" ) ("Rabeinu Avraham Bar Chiya HaNasi" ) ("R' Avraham ben Chiya Hanasi mi'Barcelona" ) (Avraham ben Chiya Hanasi medinat Bartselona) (Abraham ben Chiva ) (Abraham Ben Chaja ) (Abraham ben Chaja ben Rabbi Chiya, or Chaja or Haija) (Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona, Catalonia 1145 Narbonne, France) was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the title of prince. Savasorda is a Latinized degeneration of the Arabic title and scholars assume that Bar Hiyya would have obtained this title in the court of Banu Hud of Saragossa-Lerida; there is even a record of a Jewish Savasorda there in the beginning of the 12th century. Zachib al-Shorta, meaning " Chief of the Police" is ...http://booksllc.net/?id=628931 ... Read more

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Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Alhazen, Omar Khayyám, Shen Kuo, Abu Rayhan Biruni, Su Song, Abraham Bar Hiyya, Ibn Yunus, Abū Ishāq Ibrāhīm Al-Zarqālī, Al-Karaji, Śrīpati, Notker Labeo, Adalbold Ii of Utrecht, Al-Sijzi, Hermann of Reichenau, Abu Nasr Mansur, Kushyar Ibn Labban, Alī Ibn Ahmad Al-Nasawī, Brahmadeva, Yusuf Al-Mu'taman Ibn Hud, Gerland. Source: Wikipedia. Free updates online. Not illustrated. Excerpt: Shen Kuo or Shen Gua (Chinese: ; pinyin: Shn Kuò; Wade-Giles: Shen K'uo) (10311095), style name Cunzhong () and pseudonym Mengqi (now usually given as Mengxi) Weng (), was a polymathic Chinese scientist and statesman of the Song Dynasty (9601279). Excelling in many fields of study and statecraft, he was a mathematician, astronomer, meteorologist, geologist, zoologist, botanist, pharmacologist, agronomist, archaeologist, ethnographer, cartographer, encyclopedist, general, diplomat, hydraulic engineer, inventor, academy chancellor, finance minister, governmental state inspector, poet, and musician. He was the head official for the Bureau of Astronomy in the Song court, as well as an Assistant Minister of Imperial Hospitality. At court his political allegiance was to the Reformist faction known as the New Policies Group, headed by Chancellor Wang Anshi (10211086). In his Dream Pool Essays (; Mengxi Bitan) of 1088, Shen was the first to describe the magnetic needle compass, which would be used for navigation (first described in Europe by Alexander Neckam in 1187). Shen discovered the concept of true north in terms of magnetic declination towards the north pole, with experimentation of suspended magnetic needles and "the improved meridian determined by Shen's measurement of the distance between the polestar and true north". This was the decisive step in human history to make compasses more useful for nav...More: http://booksllc.net/?id=1102000 ... Read more

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Chapters: 11th-Century Mathematicians, Alhazen, Omar Khayyám, Shen Kuo, Abu Rayhan Biruni, Su Song, Abraham Bar Hiyya, Ibn Yunus, Abū Ishāq Ibrāhīm Al-Zarqālī, Al-Karaji, Śrīpati, Notker Labeo, Simeon Seth, Adalbold Ii of Utrecht, Al-Sijzi, Hermann of Reichenau, Abu Nasr Mansur, Kushyar Ibn Labban, Alī Ibn Ahmad Al-Nasawī, Brahmadeva, Yusuf Al-Mu'taman Ibn Hud, Gerland. Source: Wikipedia. Pages: 188. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Shen Kuo or Shen Gua (Chinese: ; pinyin: Shn Kuò; Wade-Giles: Shen K'uo) (10311095), style name Cunzhong () and pseudonym Mengqi (now usually given as Mengxi) Weng (), was a polymathic Chinese scientist and statesman of the Song Dynasty (9601279). Excelling in many fields of study and statecraft, he was a mathematician, astronomer, meteorologist, geologist, zoologist, botanist, pharmacologist, agronomist, archaeologist, ethnographer, cartographer, encyclopedist, general, diplomat, hydraulic engineer, inventor, academy chancellor, finance minister, governmental state inspector, poet, and musician. He was the head official for the Bureau of Astronomy in the Song court, as well as an Assistant Minister of Imperial Hospitality. At court his political allegiance was to the Reformist faction known as the New Policies Group, headed by Chancellor Wang Anshi (10211086). In his Dream Pool Essays (; Mengxi Bitan) of 1088, Shen was the first to describe the magnetic needle compass, which would be used for navigation (first described in Europe by Alexander Neckam in 1187). Shen discovered the concept of true north in terms of magnetic declination towards the north pole, with experimentation of suspended magnetic needles and "the improved meridian determined by Shen's measurement of the distance between the polestar and true north". This was the decisive step...More: http://booksllc.net/?id=1102000 ... Read more

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Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Jacob Anatoli, Abraham Bar Hiyya, Reuven Snir, Joseph Kimhi, Kalonymus Ben Kalonymus, Samuel Ibn Tibbon, Sasson Somekh, Moses Ibn Tibbon, Yehuda Alharizi, Judah Ben Saul Ibn Tibbon, Zerahiah Ben Shealtiel Ḥen, Shem-Tob Ben Isaac of Tortosa, Isaac Ben Reuben Albargeloni, Jacob Ben Machir Ibn Tibbon, Nathan Judah Ben Solomon, Judah Ben Isaac Cardinal. Source: Wikipedia. Free updates online. Not illustrated. Excerpt:(also Abraham ben Chija) (Hebrew: Abraham son of Hiyya "the Prince") ("Abraham ben Hiyya alBargeloni") ("Abraham Judaeus", "Abraham ben Chiya albargeloni Ha'Nasi" ) ("Rabeinu Avraham Bar Chiya HaNasi" ) ("R' Avraham ben Chiya Hanasi mi'Barcelona" ) (Avraham ben Chiya Hanasi medinat Bartselona) (Abraham ben Chiva ) (Abraham Ben Chaja ) (Abraham ben Chaja ben Rabbi Chiya, or Chaja or Haija) (Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona, Catalonia 1145 Narbonne, France) was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the title of prince. Savasorda is a Latinized degeneration of the Arabic ...More: http://booksllc.net/?id=628931 ... Read more

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Chapters: François Arago, Pere Bosch-Gimpera, Luis González-Mestres, Abraham Bar Hiyya, Ferran Lagarda Mata, Esteban Terradas I Illa, Arnaldus de Villa Nova, José O'callaghan Martínez, Ramon Margalef, Jordi Sabater Pi, Josep Trueta, Joan Oró, Ignacio Barraquer, Miquel Crusafont, Manuel Ballester, Jaume Ferran I Clua, Jaume Raventos, Emilia Hazelip. Source: Wikipedia. Pages: 83. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: (Lluís) Luis González-Mestres is a Catalan (Spanish) particle physicist in Annecy and Paris, France. He researches theoretical and experimental particle physics, with particular emphasis on cross-disciplinary research close to astrophysics (e.g. neutrino physics, dark matter, cryogenic detectors, relativity...). (Lluís) Luis González-Mestres was born in Barcelona, Spain on 14 March 1948, to Lluís González González and Pilar Mestres Gutiérrez de Pando. His father, a republican, was forced to leave Spain after the fall of Barcelona during the civil war. Although he was later allowed to return to Spain, he still had to face several problems due to his republican past . Gonzalez-Mestres got his master's degree in Barcelona, and a Diplôme d'Etudes Approfondies (DEA) in France (Orsay). He published his first scientific paper (on dual models) in the spring 1970 , being a DEA student . He is a researcher at the Centre National de la Recherche Scientifique (French National Centre for Scientific Research), CNRS, since 1972 and a Docteur d'Etat ès Sciences since 1975. He was a CERN fellow in 1978 and 1979. Gonzalez-Mestres was working on strong interaction theory and phenomenology, including dual and preon models, in the period 1970-80. Together with Patrick Aurenche, he opposed f-Pomeron identity patterns and defended the idea of a gluonic Pomeron different from any promoted f-...More: http://booksllc.net/?id=1223367 ... Read more

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Chapters: 12th-Century Mathematicians, Omar Khayyám, Adelard of Bath, Abraham Bar Hiyya, Al-Khazini, Bhāskara Ii, Sharaf Al-Dīn Al-Ṭūsī, Acharya Hemachandra, Ibn Yahyā Al-Maghribī Al-Samaw'al, Ayn Al-Quzat Hamadani, Brahmadeva, Gopala. Source: Wikipedia. Pages: 76. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Omar Khayyám (Persian: ), (born 18 May 1048 AD, Neyshapur, Iran1131 AD, Neyshapur, Iran), was a Persian polymath, mathematician, philosopher, astronomer, physician, and poet. He wrote treatises on mechanics, geography, and music. He became established as one of the major mathematicians and astronomers of the medieval period. Recognized as the author of the most important treatise on algebra before modern times as reflected in his Treatise on Demonstration of Problems of Algebra giving a geometric method for solving cubic equations by intersecting a hyperbola with a circle. He contributed to the calendar reform and may have proposed a heliocentric theory well before Copernicus. His significance as a philosopher and teacher, and his few remaining philosophical works, have not received the same attention as his scientific and poetic writings. Zamakhshari referred to him as the philosopher of the world. Many sources have testified that he taught for decades the philosophy of Ibn Sina in Nishapur where Khayyám lived most of his life, died, and was buried and where his mausoleum remains today a masterpiece of Iranian architecture visited by many people every year. Outside Iran and Persian speaking countries, Khayyám has had impact on literature and societies through translation and works of scholars. The greatest such impact among several others was in English-speaking countries; the English scholar Thomas Hyde (16361703) was the first non-Persian to study him. The most influential of all...More: http://booksllc.net/?id=92550 ... Read more

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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Petrus Alphonsi, Abraham Bar Hiyya, Josef de Mendoza Y Ríos, Abū Ishāq Ibrāhīm Al-Zarqālī, Antonio de Ulloa, Martín Cortés de Albacar, Diego de Pantoja, Josep Comas Solà, José Luis Ortiz Moreno, Jacob Ben David Ben Yomtob, Vicente Mut Armengol, Dionís Renart, Lupitus of Barcelona, Jaume Nomen, Corsono Carsono, Telmo Fernandez-Castro, Álvaro López-García, Àngel López, Rafael Pacheco. Excerpt:Abraham bar Hiyya Ha-Nasi Abraham bar iyya ha-Nasi (also Abraham ben Chija ) (Hebrew : Abraham son of Hiyya "the Prince" ) (" Abraham ben Hiyya alBargeloni " ) ( "Abraham Judaeus" , " Abraham ben Chiya albargeloni Ha'Nasi " ) (" Rabeinu Avraham Bar Chiya HaNasi " ) ( "R' Avraham ben Chiya Hanasi mi'Barcelona" ) ( Avraham ben Chiya Hanasi medinat Bartselona ) ( Abraham ben Chiva ) ( Abraham Ben Chaja ) ( Abraham ben Chaja ben Rabbi Chiya , or Chaja or Haija ) ( Rabbi Abrahamo Hispano filio Rabbi Haijae ) (1065 Barcelona , Catalonia 1145 Narbonne , France ) was a Catalan Jewish mathematician , astronomer and philosopher , also known as Savasorda (from the Arabic Sâhib ash-Shurta "Chief of the Guard"). He was born in Barcelona and scholars suspect he traveled to Narbonne where he is thought to have died. Overview Abraham bar Hiyya, great-grandson of Hezekiah Gaon is remembered in the world of mathematics for his role in the dissemination of the quadratic equation . Bar Hiyya wrote several scientific works in the fields of astronomy , mathematics , land surveying and calendar calculations. Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier), and bore the ti... ... Read more

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Chapters: Maimonides, Rashi, Eliezer Ben Nathan, Abraham Bar Hiyya, Judah Halevi, Abraham Ibn Daud, Abraham Ben David, Joseph Kimhi, Rabbeinu Tam, Samuel Ibn Tibbon, Judah Hadassi, Zerachiah Ha-Levi of Girona, Abraham Ben Nathan, Simhah Ben Samuel of Vitry, Abraham Ben Isaac of Narbonne, Isaac Ben Samuel, Samson Ben Abraham of Sens, Meir Ben Samuel, Yom Tov of Joigny, Judah Messer Leon, Menahem Ben Solomon, Joseph Ibn Migash, Asher Ben Meshullam, Isaac the Blind, Joseph Ibn Plat, Samuel Ben Jacob Ibn Jam, Judah Ben Nathan, Rashbam, Isaac Ben Dorbolo, Azriel, Meshullam Ben Jacob, Moses Ben Joseph Ben Merwan Ha-Levi, Isaac Ben Jacob Ha-Lavan, Moses Kimhi, Moses of Kiev, Shemariah Ben Mordecai, Kalonymus Ben Todros, Jacob of London, Jacob Ben Nathanael, Rivam, Jacob of Orléans, Hiyya Al-Daudi, Isaac of Chernigov, Isaac Ben Merwan Ha-Levi, Jacob Ben Reuben, Hillel Ben Eliakim, Eliezer Ben Samuel, Isaac Ben Abba Mari. Source: Wikipedia. Pages: 184. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Maimonides was a preeminent medieval Jewish philosopher, one of the greatest Torah scholars of the Middle Ages. He is also known by the names Moses Maimonides, Rabbi Moshe ben Maimon or the acronym the Rambam (Hebrew: ; Hebrew acronym: "; Arabic: Ms ibn Maymn, short for Ab Imrn Ms bin Ubaidallh Maimn al-Qurub). He was born in Córdoba, Spain, On Passover Eve, in 1135, and died in Egypt on 20th Tevet, December 12, 1204. He worked as a rabbi, physician, and philosopher in Morocco and Egypt. With the contemporary Muslim sage Averroes, he promoted and developed the philosophical tradition of Aristotle, which gave both men prominent and controversial influence in the West, where Aristotelian thought had been lost for centuries. Albert the Great and Thomas Aquinas were notable Western readers of Maimonides. One...More: http://booksllc.net/?id=19445 ... Read more