paragraph_text: Babylonian mathematics refers to any mathematics of the peoples of Mesopotamia (modern Iraq) from the days of the early Sumerians through the Hellenistic period almost to the dawn of Christianity. The majority of Babylonian mathematical work comes from two widely separated periods: The first few hundred years of the second millennium BC (Old Babylonian period), and the last few centuries of the first millennium BC (Seleucid period). It is named Babylonian mathematics due to the central role of Babylon as a place of study. Later under the Arab Empire, Mesopotamia, especially Baghdad, once again became an important center of study for Islamic mathematics.

paragraph_text: Abu Hassan Penchuri (Abu Hassan The Thief) is a 1955 Singaporean romantic fantasy film directed by B. N. Rao and starring P. Ramlee, Mariam, Nordin Ahmad.

paragraph_text: The Conscience of Hassan Bey is a 1913 American short drama film directed by D. W. Griffith and Christy Cabanne.

paragraph_text: Hassan Abu Basha (2 December 1922 – 18 September 2005) was a major general and one of the former interior ministers of Egypt who was in office for two years from January 1982 to July 1984.

paragraph_text: The Abu Dhabi Authority for Culture & Heritage (known colloquially as the ADACH) was a statutory body in the United Arab Emirates that administered cultural heritage in the Emirate of Abu Dhabi. In 2012, it merged into the Abu Dhabi Tourism & Culture Authority.

paragraph_text: Agasarahalli is a village in the southern state of Karnataka, India. It is located in the Channarayapatna taluk of Hassan district in Karnataka.

paragraph_text: Abu Hassan, a favorite of the Caliph of Baghdad, is heavily in debt. To retrieve his fortunes, he sends his wife Fatime to the Caliph's wife, Zobeide, to announce his (Hassan's) death, for which Fatime will receive 50 pieces of gold and a piece of brocade. After Fatime has set off, creditors enter Abu Hassan's house to collect money. Omar, the richest creditor, is tricked into believing that Fatime has spoken to him of love, so he agrees to pay all the other creditors.

paragraph_text: The son of Frederick Boreham, Archdeacon of Cornwall from 1949 to 1965, he was educated at Marlborough College and Trinity College, Oxford, where he studied for a philosophy, politics and economics degree with statistics as an optional subject.

paragraph_text: Josef Kolmaš, a sinologist, Tibetologist, and Professor of Oriental Studies at the Academy of Sciences of the Czech Republic, writes that it was during the Qing dynasty "that developments took place on the basis of which Tibet came to be considered an organic part of China, both practically and theoretically subject to the Chinese central government." Yet he states that this was a radical change in regards to all previous eras of Sino-Tibetan relations.

paragraph_text: Joseph studied for a BSc in physics at Wilson College (Mumbai, India, 1962) and an MSc in the same subject at the University of Mumbai in 1964. He later studied for a Postgraduate Diploma in electronics at the Welsh College of Advanced Technology (1965) and then undertook a PhD in computing at Churchill College, Cambridge under the supervision of David Wheeler (awarded 1968).

paragraph_text: Adel Hassan Hamad is a citizen of Sudan, who was held in the United States Guantanamo Bay detention camp, in Cuba.

paragraph_text: Muhammad Hassan Abu Tir (, also known as-Sheikh Abu Mus'ab, 1951) is a member of Hamas and a representative on the Palestinian Legislative Council (PLC) for his East Jerusalem constituency. He was elected to the position in the Palestinian legislative elections that were held on 25 January 2006. Abu Tir is known for his bright orange henna-dyed beard which separates him from most other politicians and members of his community. He tended to keep a low media profile before he was placed in Israeli prison for four years: On 29 June 2006, Abu Tir was arrested by Israeli military authorities in the 2006 Israel-Gaza conflict. He was held until June 2010, after which Israel ordered him to leave the country because he refused to resign from the Hamas legislature. On June, 2010, he was rearrested after he failed to leave East Jerusalem.

paragraph_text: Abu Dhabi TV is a Canadian exempt Category B Arabic language specialty channel and is wholly owned by Ethnic Channels Group. The channel name is used under license from Abu Dhabi Media, the owners of the Emirati-based channel, Abu Dhabi TV.

paragraph_text: Hassan Muhammed Gusau, or Hassan Nasiha (born 12 December 1960) was elected Senator for the Zamfara Central constituency of Zamfara State, Nigeria, taking office on 29 May 2007. He is a member of the All Nigeria Peoples Party (ANPP) and the current PDP chairman zamfara state also a member PDP board of trustees .

paragraph_text: The Fifer or Young Flautist is a painting by French painter Édouard Manet, made in 1866. It is usually kept in the Musée d'Orsay, Paris, and is now on loan to the Louvre Abu Dhabi museum in Abu Dhabi, UAE.

paragraph_text: Félix Louis Leullier (1811 – 1882 in Paris) was a French painter who painted mostly religious subjects. He studied under the Romantic artist Antoine-Jean Gros.

paragraph_text: Hunter in the Dark is a young adult novel by Monica Hughes, first published in 1982 and has been the subject of school study. It is about a boy with leukemia who goes on a hunting expedition.

paragraph_text: Mariem Hassan, la voz del Sáhara (Mariem Hassan: the Voice of the Sahara) is a 2007 documentary film directed by Manuel Domínguez.

paragraph_text: Marcel Griaule (16 May 1898 – 23 February 1956) was a French anthropologist known for his studies of the Dogon people of West Africa, and for pioneering ethnographic field studies in France. He worked together with Germaine Dieterlen and Jean Rouch on African subjects.

paragraph_text: Sudhir Shivaram grew up in Karnataka and became interested in wildlife photography in 1993 whilst studying engineering in Malnad College of Engineering in Hassan, Karnataka. After graduation, he worked for Hewlett-Packard as an engineer and later at APC. Currently, he is a full-time photography teacher, conducting Wildlife Photography Tours and Workshops. He was named Sanctuary Asia's "Wildlife Photographer of the Year" for the year 2012.

Question: Under the Arab Empire, what subject was studied in the city that Abu Hassan was in?
Answer: Islamic mathematics