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Stochastic instantaneous volatility models such as Heston, SABR or SV-LMM have mostly been developed to control the shape and joint dynamics of the implied volatility surface. In principle, they are well suited for pricing and hedging vanilla and exotic options, for relative value strategies or for... More

This is NOT just another retelling of the Fall of Constantinople, though it does include a very fine account of that momentous event. It is the history of a quite extraordinary century, one which began when a tiny of force of Ottoman Turkish warriors was invited by the Christian Byzantine Emperor ... More

Fighting between Christians and Muslims in the medieval period is often seen in the narrow context of the battle for the Holy Land. Other points of conflict tend to be ignored. But, as David Nicolle's thought-provoking survey shows, the religions clashed across the medieval world - in the Mediterran... More

Few, if any, centuries in world history have had such a profound and long-lasting impact as the first hundred years of Islamic history. In this book, David Nicolle, a former member of the BBC's Arabic service, examines the extensive Islamic conquests between 632 and 750 AD. These years saw the relig... More

By about 1260 the steady rise of the European heavily armoured mounted knight to the predominant role in most pitched battles was complete. But though he dominated the actual day of battle, he did not dominate warfare - there were plenty of vital though unglamorous tasks for which footsoldiers were ... More

From humble beginnings, in the course of three centuries the Portuguese built the world's first truly global empire, stretching from modern Brazil to sub-Saharan Africa and from India to the East Indies (Indonesia). Portugal had established its present-day borders by 1300 and the following century s... More

This text explores a range of devices and details the changes in medieval siege warfare brought about by the mixing of traditions from Greece, Rome, Persia, India and China.... More

During medieval era, the pre-existing military-technological traditions from the ancient worlds were brought together. Three civilizations were primarily responsible for this evolution: the Late-Roman or Byzantine Empire, the Islamic World, and latterly the Mongol 'World Empire'. This book examines ... More

The Fourth Crusade was the first and most famous of the 'diverted' crusades, that is, ones diverted from their originally intended target. It was also the first to be directed against a fellow Christian, though Orthodox, state. Initially preached (from 1198 onwards) as a campaign against Ayyubid Egy... More

This Osprey Command book looks closely at the early life, military experiences and key battlefield exploits of Al-Malik al-Nasir Yusuf Ibn Najm al-Din Ayyub Ibn Shahdi Abu'l-Muzaffar Salah al-Din - or Saladin as he is more commonly known outside the Islamic world - who is broadly regarded as the gre... More

For the overwhelming majority of people outside the French-speaking world the Hundred Years War consisted of a sequence of major English victories, above all Crécy, Poitiers and Agincourt. The only significant victor or 'hero' on the French side was Joan of Arc, and she ended up being burned at the... More

The history of Poland is a fascinating study of a people struggling to achieve nationhood in the face of internal and external enemies. Poland became a unified Christian state in AD 966 and by the 12th century a knightly class had emerged - a force that was integral to the defense of Poland against ... More

In 1373, John of Gaunt set off from Calais on a great raid to strike at the heart of France. Driven by the high ideals of chivalry, the raiders left with epic pageantry. However, the reality soon overwhelmed the raiders. Beset on all sides by French ambushes and plagued by disease and starvation, th... More

The Second Italo-Abyssinian War began in October 1935, when Mussolini ordered the invasion of Ethiopia from Italian-held Eritrea and Somaliland, thinking that he would easily crush an ill-prepared and badly equipped enemy. The Italians, in the face of widespread condemnation from the League of Natio... More

The dilemma of the young Italian kingdom and the experience of her army in World War I (1914-1918) were unique among the combatant nations. Late to enter the war against the Central Powers, she faced a massively defended Austro-Hungarian front in the north, including strong mountain features, as wel... More

The Islamic world developed its own highly sophisticated, effective and varied style of fortification. It drew upon pre-existing Romano-Byzantine, Iranian, Central Asian and Indian traditions of military architecture, plus influences from China, to produce something new and distinctive. In turn, Isl... More

Crusader castles and other fortifications in Cyprus, the south-western coast of Turkey, and Greece are among the best examples of late medieval military architecture to be seen in Europe. These important fortifications, erected by the Hospitallers during the 15th century to face the growing Ottoman ... More

On 26 August 1071 a large Byzantine army under Emperor Romanus IV met the Saljuq Turk forces of Sultan Alp Arslan near the town of Manzikert to the far east of the Byzantine Empire. The battle ended in a decisive defeat for the Byzantine forces, with the wings of the army routing following withering... More

The famous but largely unchronicled Hanseatic League (or simple "the Hanse/Hansa") was a Tuetonic German commercial and defensive federation of merchant guilds based in harbor towns along the North Sea and Baltic coasts of what are now Germany and her neighbors, which eventually dominated maritime t... More

Charlemagne's conquest of the Saxons was the hardest fought and most protracted of his wars; it involved 18 campaigns spread across 33 years, a great deal of lower-level fighting and the harshest final peace settlement that Charlemagne ever imposed upon a defeated foe. Rapidly taking on the charact... More

New archaeological material and research underpin this extensive, detailed and beautifully illustrated account of the famous Mamluk Askars.The Mamluk army is credited with finally defeating and expelling the Crusaders from the Middle East, with defeating and halting the Mongol invasion of the Islami... More

Comparing Political Journalism is a systematic, in-depth study of the factors that shape and influence political news coverage today. Using techniques drawn from the growing field of comparative political communication, an international group of contributors analyse political news content drawn fro... More

Marriage’s central role in The Church of Jesus Christ of Latter-day Saints distinguishes the faith while simultaneously reflecting widespread American beliefs. But what does Latter-day Saint marriage mean for men? Holly Welker presents a collection of essays exploring this question. The essayists pr... More

In an age where antimicrobial resistance amongst pathogens grows more prevalent, particularly in the hospital setting, antimicrobial stewardship is an evidence-based, proven measure in the battle against resistance and infection. This single comprehensive, definitive reference work is written by a... More

With the publication of "The Overcoat" in 1842, Nicolai Gogol (1809-1852) inaugurated a new chapter in Russian literature, in which the underdog and social misfit is treated not as a figure of fun or an object of charity, but as a human being with as much right to happiness as anybody else.... More