MATH 4400, History of Mathematics Lecture 5: From the Roman Empire to the first universities Professor: Peter Gibson [email protected] http://people.math.yorku.ca/pcgibson/math4400 October 11, 2016 The Roman Empire P. Gibson (YorkU) Math 4400 11.10.2016 2 / 21 Roman Empire 117AD P. Gibson (YorkU) Math 4400 11.10.2016 3 / 21 Roman Empire 271AD P. Gibson (YorkU) Math 4400 11.10.2016 4 / 21 German invasions P. Gibson (YorkU) Math 4400 11.10.2016 5 / 21 The Byzantine empire In the fourth century AD, the Roman emperor Constantine moved the capital from Rome to Constantinople and legalized Christianity, which, by the end of the century became the official religion of the Empire. In the 7th century AD the official language of the imperial administration changed from Latin to Greek. The continuation of the Roman Empire in the east, centred in Constantinople, is usually referred to as the Byzantine Empire, which lasted until the 15th century. It is characterized by use of the Greek languange and by Orthodox Christianity. P. Gibson (YorkU) Math 4400 11.10.2016 6 / 21 Byzantine Empire 555 AD P. Gibson (YorkU) Math 4400 11.10.2016 7 / 21 The Islamic era The Islamic conquest Expansion under the Prophet Mohammad, 622-632 Expansion during the Patriarchal Caliphate, 632-661 Expansion during the Umayyad Caliphate, 661-750 P. Gibson (YorkU) Math 4400 11.10.2016 8 / 21 The principal cities of the Islamic world were: Baghdad Cairo These were centres of political administration and intellectual high culture. P. Gibson (YorkU) Math 4400 11.10.2016 9 / 21 The re-emergence of Western Europe We shall focus on Western Europe in the 12th and 13th centuries, the High Middle Ages. This is the era during which the first universities were established. The main centers of culture and learning lay elsewhere, under Arab and Byzantine dominion. By the standards of other eras, very little new mathematics was developed at this time. The works of Leonardo of Pisa stand out; but even they are reflective of a world influenced by the east. P. Gibson (YorkU) Math 4400 11.10.2016 10 / 21 Historical context P. Gibson (YorkU) Math 4400 11.10.2016 11 / 21 Europe was an agglomeration of small principalities and city states, with loose larger-scale alliances. P. Gibson (YorkU) Math 4400 11.10.2016 12 / 21 Europe was an agglomeration of small principalities and city states, with loose larger-scale alliances. The Western European economy was mainly feudal or manorial. P. Gibson (YorkU) Math 4400 11.10.2016 12 / 21 Europe was an agglomeration of small principalities and city states, with loose larger-scale alliances. The Western European economy was mainly feudal or manorial. The most sophisticated European cities, such as Venice, thrived on trade with the Arab world, and central and East Asia. P. Gibson (YorkU) Math 4400 11.10.2016 12 / 21 Europe was an agglomeration of small principalities and city states, with loose larger-scale alliances. The Western European economy was mainly feudal or manorial. The most sophisticated European cities, such as Venice, thrived on trade with the Arab world, and central and East Asia. The Arab and Byzantine worlds held the main cultural centers. P. Gibson (YorkU) Math 4400 11.10.2016 12 / 21 Demographics circa 1200 reflect a starkly different world from today. (Figures are approximate!) P. Gibson (YorkU) Math 4400 11.10.2016 13 / 21 Demographics circa 1200 reflect a starkly different world from today. (Figures are approximate!) Place Germany France British Isles Italy Spain & Portugal Europe World P. Gibson (YorkU) Population 7.3M 12M 3.2M 8M 7M 68M 360M Math 4400 11.10.2016 13 / 21 More demographics... P. Gibson (YorkU) Math 4400 11.10.2016 14 / 21 More demographics... Place London Paris Rome Constantinople Cairo Baghdad Fez Beijing P. Gibson (YorkU) Population 22K 110K 20K 200K 225K 250K 200K 130K Math 4400 11.10.2016 14 / 21 P. Gibson (YorkU) Math 4400 11.10.2016 15 / 21 The first universities P. Gibson (YorkU) Math 4400 11.10.2016 16 / 21 The first universities Place Bologna Oxford Salamanca Paris Cambridge Padua ∼Year 1088 1096 1134 1150 1209 1222 P. Gibson (YorkU) Math 4400 11.10.2016 16 / 21 The first universities Place Bologna Oxford Salamanca Paris Cambridge Padua ∼Year 1088 1096 1134 1150 1209 1222 Cambridge and Padua were offshoots of Oxford and Bologna, respectively. Later, in the 15th century, there was a profusion of new universities. P. Gibson (YorkU) Math 4400 11.10.2016 16 / 21 Later, in the 15th century, there was a profusion of new universities. P. Gibson (YorkU) Math 4400 11.10.2016 17 / 21 Some charateristic features of early universities... P. Gibson (YorkU) Math 4400 11.10.2016 18 / 21 Some charateristic features of early universities... independent legal status (town vs. gown) latin language scholasticism the trivium and quadrivium law (civil law, canon law), theology, arts and medicine P. Gibson (YorkU) Math 4400 11.10.2016 18 / 21 The following is attributed to Boethius (c. 600)... P. Gibson (YorkU) Math 4400 11.10.2016 19 / 21 The following is attributed to Boethius (c. 600)... trivium I I I grammar logic rhetoric quadrivium I I I I arithmetic geometry music astronomy P. Gibson (YorkU) Math 4400 11.10.2016 19 / 21 Leonardo of Pisa (1180-1250) Wrote Liber abaci (1202), Flos (1225). P. Gibson (YorkU) Math 4400 11.10.2016 20 / 21 Leonardo of Pisa (1180-1250) Wrote Liber abaci (1202), Flos (1225). Leonardo—also known as Fibonacci—had a Muslim teacher, and had travelled to Egypt, Syria and Greece. His father was a merchant. P. Gibson (YorkU) Math 4400 11.10.2016 20 / 21 Leonardo of Pisa (1180-1250) Wrote Liber abaci (1202), Flos (1225). Leonardo—also known as Fibonacci—had a Muslim teacher, and had travelled to Egypt, Syria and Greece. His father was a merchant. The mathematics of Fibonacci’s works is awkward. There are complicated methods to convert currencies, and illustrations of decomposition into unit fractions. P. Gibson (YorkU) Math 4400 11.10.2016 20 / 21 Leonardo of Pisa (1180-1250) Wrote Liber abaci (1202), Flos (1225). Leonardo—also known as Fibonacci—had a Muslim teacher, and had travelled to Egypt, Syria and Greece. His father was a merchant. The mathematics of Fibonacci’s works is awkward. There are complicated methods to convert currencies, and illustrations of decomposition into unit fractions. 99 1 1 1 1 = + + + 100 2 4 5 25 P. Gibson (YorkU) Math 4400 11.10.2016 20 / 21 Leonardo of Pisa (1180-1250) Wrote Liber abaci (1202), Flos (1225). Leonardo—also known as Fibonacci—had a Muslim teacher, and had travelled to Egypt, Syria and Greece. His father was a merchant. The mathematics of Fibonacci’s works is awkward. There are complicated methods to convert currencies, and illustrations of decomposition into unit fractions. 99 1 1 1 1 = + + + 100 2 4 5 25 Fibonacci is credited with promoting the use of Hindu-Arabic numerals. P. Gibson (YorkU) Math 4400 11.10.2016 20 / 21 Fibonacci’s most famous problem... How many pairs of rabbits will be produced in a year, beginning with a single pair, if in every month each pair bears a new pair which becomes productive from the second month on? P. Gibson (YorkU) Math 4400 11.10.2016 21 / 21
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