James E. Humphreys is a distinguished Professor of Mathematics at the University of Massachusetts at Amherst. He has previously held posts at the University of Oregon and New York University. His main research interests include group theory and Lie algebras, and this graduate level text is an exceptionally well-written introduction to everything about linear algebraic groups.
A most promising debut for the talented Humphreys.' Marcel Berlins, The Times Clarissa Morland is twenty-seven, attractive, shy -and standing trial for the murder of her ex-lover John Grant. John was shot at dawn as he answered the door of his isolated farmhouse. But Clarissa has no memory of this. All she can remember is being cut free from the wreckage of her car that same morning, after what looks like a frantic getaway. As intimate details of her life and relationship are laid bare for the court, even Clarissa finds it hard to believe she is innocent. But murdering the man she loved in cold blood? she's just not that evil - is she? 'A most impressive debut noel. But like all really good crime fiction, there is more to this book than a good puzzle... Simple and assured writing make even the mirror characters come alive.' Mike Ripley, Sherlock Holmes Magazine 'A slick and gripping debut.' Maxim Jakubowski, Guardian 'A really gripping courtroom thriller...There is an astonishing climax and this is a genuine spellbinder.' Publishers Weekly
As Exhibited in the Personal Narratives of James Emerson, Esq., Count Pecchio, and W. H. Humphreys, Esq., Comprising a Detailed Account of the Events of the Late Campaign, and Sketches of the Principal Military, Naval, and Pol
As Exhibited in the Personal Narratives of James Emerson, Esq., Count Pecchio, and W. H. Humphreys, Esq., Comprising a Detailed Account of the Events of the Late Campaign, and Sketches of the Principal Military, Naval, and Pol
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Provides a useful exposition of results on the structure of semisimple algebraic groups over an arbitrary algebraically closed field. After the fundamental work of Borel and Chevalley in the 1950s and 1960s, further results were obtained over the next thirty years on conjugacy classes and centralizers of elements of such groups.
Montague Rhodes James OM, MA, FBA (1 August 1862 – 12 June 1936), who used the publication name M. R. James, was an English author, medievalist scholar and provost of King's College, Cambridge (1905–1918), and of Eton College (1918–1936). He is best remembered for his ghost stories, which are regarded as among the best in the genre. James redefined the ghost story for the new century by abandoning many of the formal Gothic clichés of his predecessors and using more realistic contemporary settings. However, James's protagonists and plots tend to reflect his own antiquarian interests. Accordingly, he is known as the originator of the "antiquarian ghost story".James was born in Goodnestone Parsonage, near Dover in Kent, England, although his parents had associations with Aldeburgh in Suffolk. From the age of three (1865) until 1909 his home, if not always his residence, was at the Rectory in Great Livermere, Suffolk. This had also been the childhood home of another eminent Suffolk antiquary, "Honest Tom" Martin (1696–1771) "of Palgrave." Several of his ghost stories are set in Suffolk, including "'Oh, Whistle, and I'll Come to You, My Lad'" (Felixstowe), "A Warning to the Curious" (Aldeburgh), "Rats" and "A Vignette" (Great Livermere). He lived for many years, first as an undergraduate, then as a don and provost, at King's College, Cambridge, where he was also a member of the Pitt Club. The university provides settings for several of his tales. Apart from medieval subjects, James studied the classics and appeared very successfully in a staging of Aristophanes' play The Birds, with music by Hubert Parry. His ability as an actor was also apparent when he read his new ghost stories to friends at Christmas time.In September 1873 he arrived as a boarder at Temple Grove School, one of the leading boys' preparatory schools of the day.James is best known for his ghost stories, but his work as a medievalist scholar was prodigious and remains highly respected in scholarly circles. Indeed, the success of his stories was founded on his antiquarian talents and knowledge. His discovery of a manuscript fragment led to excavations in the ruins of the abbey at Bury St Edmunds, West Suffolk, in 1902, in which the graves of several twelfth-century abbots described by Jocelyn de Brakelond (a contemporary chronicler) were rediscovered, having been lost since the Dissolution. His 1917 edition of the Latin Lives of Saint Aethelberht, king and martyr (English Historical Review 32), remains authoritative.He catalogued many of the manuscript libraries of the Cambridge colleges. Among his other scholarly works, he wrote The Apocalypse in Art, which placed illuminated Apocalypse manuscripts into families. He also translated the New Testament Apocrypha and contributed to the Encyclopaedia Biblica (1903). His ability to wear his learning lightly is apparent in his Suffolk and Norfolk (Dent, 1930), in which a great deal of knowledge is presented in a popular and accessible form, and in Abbeys (Great Western Railway, 1925).James also achieved a great deal during his directorship of the Fitzwilliam Museum in Cambridge (1893–1908). He managed to secure a large number of important paintings and manuscripts, including notable portraits by Titian.James was Provost of Eton College from 1918 to 1936. He died in 1936 and was buried in Eton town cemetery.
This is the first textbook treatment of work leading to the landmark 1979 Kazhdan–Lusztig Conjecture on characters of simple highest weight modules for a semisimple Lie algebra g g over C C. The setting is the module category O O introduced by Bernstein–Gelfand–Gelfand, which includes all highest weight modules for g g such as Verma modules and finite dimensional simple modules. Analogues of this category have become influential in many areas of representation theory. Part I can be used as a text for independent study or for a mid-level one semester graduate course; it includes exercises and examples. The main prerequisite is familiarity with the structure theory of g g. Basic techniques in category O O such as BGG Reciprocity and Jantzen's translation functors are developed, culminating in an overview of the proof of the Kazhdan–Lusztig Conjecture (due to Beilinson–Bernstein and Brylinski–Kashiwara). The full proof however is beyond the scope of this book, requiring deep geometric methods: D D-modules and perverse sheaves on the flag variety. Part II introduces closely related topics important in current research: parabolic category O O, projective functors, tilting modules, twisting and completion functors, and Koszul duality theorem of Beilinson–Ginzburg–Soergel.
This work outlines a state-of-the-art project control and trending programme, focusing on advanced applied-cost and schedule-control skills for all phases of a project at both owner and contractor level. It contains information on the three major aspects of the total project programme: the techniques and procedures utilized for a project; the exper
Ethnically homogenous communities often do a better job than diverse communities of producing public goods such as satisfactory schools and health care, adequate sanitation, and low levels of crime. Coethnicity reports the results of a landmark study that aimed to find out why diversity has this cooperation-undermining effect. The study, conducted in a neighborhood of Kampala, Uganda, notable for both its high levels of diversity and low levels of public goods provision, hones in on the mechanisms that might account for the difficulties diverse societies often face in trying to act collectively. The Mulago-Kyebando Community Study uses behavioral games to explore how the ethnicity of the person with whom one is interacting shapes social behavior. Hundreds of local participants interacted with various partners in laboratory games simulating real-life decisions involving the allocation of money and the completion of joint tasks. Many of the subsequent findings debunk long-standing explanations for diversity's adverse effects. Contrary to the prevalent notion that shared preferences facilitate ethnic collective action, differences in goals and priorities among participants were not found to be structured along ethnic lines. Nor was there evidence that subjects favored the welfare of their coethnics over that of non-coethnics. When given the opportunity to act altruistically, individuals did not choose to benefit coethnics disproportionately when their actions were anonymous. Yet when anonymity was removed, subjects behaved very differently. With their actions publicly observed, subjects gave significantly more to coethnics, expected their partners to reciprocate, and expected that they would be sanctioned for a failure to cooperate. This effect was most pronounced among individuals who were otherwise least likely to cooperate. These results suggest that what may look like ethnic favoritism is, in fact, a set of reciprocity norms—stronger among coethnics than among non-coethnics—that make it possible for members of more homogeneous communities to take risks, invest, and cooperate without the fear of getting cheated. Such norms may be more subject to change than deeply held ethnic antipathies—a powerful finding for policymakers seeking to design social institutions in diverse societies. Research on ethnic diversity typically draws on either experimental research or field work. Coethnicity does both. By taking the crucial step from observation to experimentation, this study marks a major breakthrough in the study of ethnic diversity. A Volume in the Russell Sage Foundation Series on Trust
The small village of Caxton, on the foggy Norfolk coast, holds many memories for Sergeant Sarah Delaney - most of which she's tried hard to forget. For Caxton was the place where her boyfriend Tom had lived - and where he died. Now she has been sent back there in the early hours of the morning to investigate a disturbing sighting - the bodies of a man and a woman on the mist-covered beach. Unfortunately, by the time Sarah arrives the tide has come in and the bodies have been washed out to sea. As a murder investigation is launched, Sarah is forced to confront many ghosts from her past, including the enigmatic inhabitants of the Red House, and the local coastguard, Nick Walton, Tom's closest friend. The time has come, it seems, for Sarah to learn the truth about Tom and his tragic death . . . 'An accomplished, intriguing story' Observer 'Surprising, disturbing and exciting' Scotsman
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