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Crossing Paths by Laurence Steinberg,Wendy Steinberg Pdf
Written with warmth, sensitivity, and insight, Crossing Paths shows parents how to get through the worst flash points of an adolescent-induced midlife crisis and how to make this time an opportunity for positive change.
Contributors include Cheryl Strayed, Carrot Quinn, Barney "Scout" Mann, Aspen Matis, Nicholas Kristof, Heather Anderson, Will "Akuna" Robinson, and many more Shares new stories over the last decade to celebrate the 10th anniversary of the original PCT Readers Sidebars address some of the issues affecting the PCT today Includes a map of the PCT to follow along with the stories What’s it like to be a trail angel and can romance truly blossom from first meeting to marriage on the Pacific Crest Trail? How do trail names get bestowed and what does it mean when you find yourself roaring back at a mountain lion? How have climate change, technology, and the sheer number of hikers affected life on the PCT? Find the answers to all these questions, and so many more, in the diverse writings gathered in Crossing Paths, an anthology of stories and poems written by PCT hikers. Reflecting the contributors’ rich and varied individual experiences, this collection includes both ordinary and extraordinary experiences, from dodging lightning strikes on an exposed ridge south of Sonora Pass or surviving early fall snowstorms in the Cascades, to deeply personal walks-as-therapy following military service or cancer treatment. The selection represents geographic, gender, ethnic, and age diversity, and strives to reflect the totality and depth of life on the trail.
In Crossing Paths, John Daverio explores the connections between art and life in the works of three giants of musical romanticism. Drawing on contemporary critical theory and a wide variety of nineteenth-century sources, he considers topics including Schubert and Schumann's uncanny ability to evoke memory in music, the supposed cryptographic practices of Schumann and Brahms, and the allure of the Hungarian Gypsy style for Brahms and others in the Schumann circle. The book offers a fresh perspective on the music of these composers, including a comprehensive discussion of the 19th century practice of cryptography, a debunking of the myth that Schumann and Brahms planted codes for "Clara Schumann" throughout their works, and attention to the late works of Schumann not as evidence of the composer's descent into madness but as inspiration for his successors. Daverio portrays the book's three key players as musical storytellers, each in his own way simulating the structure of lived experience in works of art. As an intimate study of three composers that combines cultural history and literary criticism with deep musicological understanding, Crossing Paths is a rich exploration of memory, the re-creation of artistic tradition, and the value of artistic influence.
"From the maudlin to the absurd, and all roads in between, Baeli asserts her unique brand of scathing humor, raw sincerity, and insightful angst in this collection of essays." Kindred Ink Writer's Initiative
In the midst of awfulness, a light shines, and you know there is hope on the horizon! Inspired by true stories, travel along with "Doc" Grayson beyond the medical specialist's timetables and see as his eyes are opened to a new and real hope! A hope which miraculously transforms his life and contagiously overflows to all who enter through the old wooden doors of his small-town drugstore. Enjoy how wonderful it is seeing lives, attitudes and directions forever changed by the outpouring of faith, hope and love from a tiny map-dot town that cared! The light their actions shine is one of unrelenting hope! So, open up your eyes and heart, look around and see that the gift of hope is far, far more extraordinary and lifechanging than you ever realized!
Crossing Paths...Cultural Surprises in a Global World. by Jean-Yves Rosaye Pdf
If there are lots of models in business, only a few are useful as they must stretch to core human values. With cultural differences, quality in society for example becomes prodigiously versatile as it embraces many shades of meaning. As an image, if two railroads seem to join on the horizon, this is only but an illusion. However, this is possible to shift from one culture to the other. From many path crossings, surprises arise and this is about a journey in Europe, America, Asia, and above all Japan to unravel truths of a global world.
John Daverio,Professor of Music Director Ad Interim and Chairman of the Musicology Department of the School of Music John Daverio
Author : John Daverio,Professor of Music Director Ad Interim and Chairman of the Musicology Department of the School of Music John Daverio Publisher : Oxford University Press on Demand Page : 323 pages File Size : 50,6 Mb Release : 2002-10-03 Category : Music ISBN : 9780195132960
Crossing Paths by John Daverio,Professor of Music Director Ad Interim and Chairman of the Musicology Department of the School of Music John Daverio Pdf
Each discussion contributes to a portrait of these three composers as musical storytellers, each in his own way simulating the structure of lived experience in works of art."--BOOK JACKET.
Most works of art, whether illustrative, musical or literary, are created subject to a set of constraints. In many (but not all) cases, these constraints have a mathematical nature, for example, the geometric transformations governing the canons of J. S. Bach, the various projection systems used in classical painting, the catalog of symmetries found in Islamic art, or the rules concerning poetic structure. This fascinating book describes geometric frameworks underlying this constraint-based creation. The author provides both a development in geometry and a description of how these frameworks fit the creative process within several art practices. He furthermore discusses the perceptual effects derived from the presence of particular geometric characteristics. The book began life as a liberal arts course and it is certainly suitable as a textbook. However, anyone interested in the power and ubiquity of mathematics will enjoy this revealing insight into the relationship between mathematics and the arts.
Some choose their path. Others trip and fall onto one. But none can predict where it will end. When a well-dressed man sits on the dirty sidewalk and offers Jack a bag of fast food, a Peregrine Falcon circles the city skyline, watching. There are moments when you know; life is about to change, and at that moment, Jack knew. But he could never have guessed how.
A humorous tale about acceptance, social justice and keeping an open mind. Though he’s scared at first, a boy who encounters an alligator in the woods discovers all the creature wants is companionship — and leftovers! — and the two become friends. But the mayor of the boy’s town won’t have it. He makes a proclamation, “NO ALLIGATORS! Blah, blah, blah.” Which the townspeople agree with, at first. Then they realize how friendly the alligator is (and how nice it is to have someone eat their leftovers!), and they want him to stay. Can they all come together and find a way to keep the alligator in their town? See you later, alligator? Not if these townspeople can help it!
Merideth Bradley, a professional fundraiser, needs a job fast--the further from NYC the better. She takes a gamble on helping a British landowner keep his historic estate in private hands. Meri's concept of a cross-continental Georgian Ball pairs perfectly with the owner's fundraising plans, until the property abruptly falls to his heir, Robert. When Meri discovers Robert is the carefree climber from the local pub she's been sharing hikes and kisses with on weekends she feels betrayed. Again! And his unwillingness to take responsibility for the future of this special house and all those who depend on it incenses her. Forced to work with him while he decides the fate of the property she's come to love, she struggles against her own past mistakes, reluctant to accept Robert's effort to define what matters most to him in life. Can Meri and Robert ignore the power of their own attraction? Not when Meri's ex-lover arrives to blackmail her and a shocking catastrophe demands Robert and Meri make choices, for both the property and themselves. You can run but you can't hide.
It is 1967 in Alaska and Brad discovers a car wreck. He picks up something of value to a biker gang member and finds himself fighting for his life and the life of friends and the woman he loves. The story ranges from Alaska to Texas and back to Alaska.
When Caterina Russo wakes from her coma, she's certain she must be dreaming. How else would she be seeing the love of her life at her bedside thirty-six years after they parted without him knowing about the child she carried? But when her next visitor is that daughter she was forced to give away, Cat realizes it’s no dream. The two people she has loved most have returned to her, and the time has come to face the past she's been running from her entire adult life. As the families involved adjust to the shock of the new relationships, Cat attempts to forge a bond with the daughter she never knew and to reconnect with the man she's never forgotten. Will either of them be able to forgive Cat for the decisions she made to protect them? And if they do, will Cat ever be able to forgive herself? Welcome to Cedar Creek! This heartwarming second-chance Seasoned Romance is the second volume in Cedar Creek Families, a collection of stories about the people who live, love, and laugh in the small town of Cedar Creek.
Elements of dynamic and 2-SAT programming: paths, trees, and cuts by Bentert, Matthias Pdf
In dieser Arbeit entwickeln wir schnellere exakte Algorithmen (schneller bezüglich der Worst-Case-Laufzeit) für Spezialfälle von Graphproblemen. Diese Algorithmen beruhen größtenteils auf dynamischem Programmieren und auf 2-SAT-Programmierung. Dynamisches Programmieren beschreibt den Vorgang, ein Problem rekursiv in Unterprobleme zu zerteilen, sodass diese Unterprobleme gemeinsame Unterunterprobleme haben. Wenn diese Unterprobleme optimal gelöst wurden, dann kombiniert das dynamische Programm diese Lösungen zu einer optimalen Lösung des Ursprungsproblems. 2-SAT-Programmierung bezeichnet den Prozess, ein Problem durch eine Menge von 2-SAT-Formeln (aussagenlogische Formeln in konjunktiver Normalform, wobei jede Klausel aus maximal zwei Literalen besteht) auszudrücken. Dabei müssen erfüllende Wahrheitswertbelegungen für eine Teilmenge der 2-SAT-Formeln zu einer Lösung des Ursprungsproblems korrespondieren. Wenn eine 2-SAT-Formel erfüllbar ist, dann kann eine erfüllende Wahrheitswertbelegung in Linearzeit in der Länge der Formel berechnet werden. Wenn entsprechende 2-SAT-Formeln also in polynomieller Zeit in der Eingabegröße des Ursprungsproblems erstellt werden können, dann kann das Ursprungsproblem in polynomieller Zeit gelöst werden. Im folgenden beschreiben wir die Hauptresultate der Arbeit. Bei dem Diameter-Problem wird die größte Distanz zwischen zwei beliebigen Knoten in einem gegebenen ungerichteten Graphen gesucht. Das Ergebnis (der Durchmesser des Eingabegraphen) gehört zu den wichtigsten Parametern der Graphanalyse. In dieser Arbeit erzielen wir sowohl positive als auch negative Ergebnisse für Diameter. Wir konzentrieren uns dabei auf parametrisierte Algorithmen für Parameterkombinationen, die in vielen praktischen Anwendungen klein sind, und auf Parameter, die eine Distanz zur Trivialität messen. Bei dem Problem Length-Bounded Cut geht es darum, ob es eine Kantenmenge begrenzter Größe in einem Eingabegraphen gibt, sodass das Entfernen dieser Kanten die Distanz zwischen zwei gegebenen Knoten auf ein gegebenes Minimum erhöht. Wir bestätigen in dieser Arbeit eine Vermutung aus der wissenschaftlichen Literatur, dass Length-Bounded Cut in polynomieller Zeit in der Eingabegröße auf Einheitsintervallgraphen (Intervallgraphen, in denen jedes Intervall die gleiche Länge hat) gelöst werden kann. Der Algorithmus basiert auf dynamischem Programmieren. k-Disjoint Shortest Paths beschreibt das Problem, knotendisjunkte Pfade zwischen k gegebenen Knotenpaaren zu suchen, sodass jeder der k Pfade ein kürzester Pfad zwischen den jeweiligen Endknoten ist. Wir beschreiben ein dynamisches Programm mit einer Laufzeit n^O((k+1)!) für dieses Problem, wobei n die Anzahl der Knoten im Eingabegraphen ist. Dies zeigt, dass k-Disjoint Shortest Paths in polynomieller Zeit für jedes konstante k gelöst werden kann, was für über 20 Jahre ein ungelöstes Problem der algorithmischen Graphentheorie war. Das Problem Tree Containment fragt, ob ein gegebener phylogenetischer Baum T in einem gegebenen phylogenetischen Netzwerk N enthalten ist. Ein phylogenetisches Netzwerk (bzw. ein phylogenetischer Baum) ist ein gerichteter azyklischer Graph (bzw. ein gerichteter Baum) mit genau einer Quelle, in dem jeder Knoten höchstens eine ausgehende oder höchstens eine eingehende Kante hat und jedes Blatt eine Beschriftung trägt. Das Problem stammt aus der Bioinformatik aus dem Bereich der Suche nach dem Baums des Lebens (der Geschichte der Artenbildung). Wir führen eine neue Variante des Problems ein, die wir Soft Tree Containment nennen und die bestimmte Unsicherheitsfaktoren berücksichtigt. Wir zeigen mit Hilfe von 2-SAT-Programmierung, dass Soft Tree Containment in polynomieller Zeit gelöst werden kann, wenn N ein phylogenetischer Baum ist, in dem jeweils maximal zwei Blätter die gleiche Beschriftung tragen. Wir ergänzen dieses Ergebnis mit dem Beweis, dass Soft Tree Containment NP-schwer ist, selbst wenn N auf phylogenetische Bäume beschränkt ist, in denen jeweils maximal drei Blätter die gleiche Beschriftung tragen. Abschließend betrachten wir das Problem Reachable Object. Hierbei wird nach einer Sequenz von rationalen Tauschoperationen zwischen Agentinnen gesucht, sodass eine bestimmte Agentin ein bestimmtes Objekt erhält. Eine Tauschoperation ist rational, wenn beide an dem Tausch beteiligten Agentinnen ihr neues Objekt gegenüber dem jeweiligen alten Objekt bevorzugen. Reachable Object ist eine Verallgemeinerung des bekannten und viel untersuchten Problems Housing Market. Hierbei sind die Agentinnen in einem Graphen angeordnet und nur benachbarte Agentinnen können Objekte miteinander tauschen. Wir zeigen, dass Reachable Object NP-schwer ist, selbst wenn jede Agentin maximal drei Objekte gegenüber ihrem Startobjekt bevorzugt und dass Reachable Object polynomzeitlösbar ist, wenn jede Agentin maximal zwei Objekte gegenüber ihrem Startobjekt bevorzugt. Wir geben außerdem einen Polynomzeitalgorithmus für den Spezialfall an, in dem der Graph der Agentinnen ein Kreis ist. Dieser Polynomzeitalgorithmus basiert auf 2-SAT-Programmierung. This thesis presents faster (in terms of worst-case running times) exact algorithms for special cases of graph problems through dynamic programming and 2-SAT programming. Dynamic programming describes the procedure of breaking down a problem recursively into overlapping subproblems, that is, subproblems with common subsubproblems. Given optimal solutions to these subproblems, the dynamic program then combines them into an optimal solution for the original problem. 2-SAT programming refers to the procedure of reducing a problem to a set of 2-SAT formulas, that is, boolean formulas in conjunctive normal form in which each clause contains at most two literals. Computing whether such a formula is satisfiable (and computing a satisfying truth assignment, if one exists) takes linear time in the formula length. Hence, when satisfying truth assignments to some 2-SAT formulas correspond to a solution of the original problem and all formulas can be computed efficiently, that is, in polynomial time in the input size of the original problem, then the original problem can be solved in polynomial time. We next describe our main results. Diameter asks for the maximal distance between any two vertices in a given undirected graph. It is arguably among the most fundamental graph parameters. We provide both positive and negative parameterized results for distance-from-triviality-type parameters and parameter combinations that were observed to be small in real-world applications. In Length-Bounded Cut, we search for a bounded-size set of edges that intersects all paths between two given vertices of at most some given length. We confirm a conjecture from the literature by providing a polynomial-time algorithm for proper interval graphs which is based on dynamic programming. k-Disjoint Shortest Paths is the problem of finding (vertex-)disjoint paths between given vertex terminals such that each of these paths is a shortest path between the respective terminals. Its complexity for constant k > 2 has been an open problem for over 20 years. Using dynamic programming, we show that k-Disjoint Shortest Paths can be solved in polynomial time for each constant k. The problem Tree Containment asks whether a phylogenetic tree T is contained in a phylogenetic network N. A phylogenetic network (or tree) is a leaf-labeled single-source directed acyclic graph (or tree) in which each vertex has in-degree at most one or out-degree at most one. The problem stems from computational biology in the context of the tree of life (the history of speciation). We introduce a particular variant that resembles certain types of uncertainty in the input. We show that if each leaf label occurs at most twice in a phylogenetic tree N, then the problem can be solved in polynomial time and if labels can occur up to three times, then the problem becomes NP-hard. Lastly, Reachable Object is the problem of deciding whether there is a sequence of rational trades of objects among agents such that a given agent can obtain a certain object. A rational trade is a swap of objects between two agents where both agents profit from the swap, that is, they receive objects they prefer over the objects they trade away. This problem can be seen as a natural generalization of the well-known and well-studied Housing Market problem where the agents are arranged in a graph and only neighboring agents can trade objects. We prove a dichotomy result that states that the problem is polynomial-time solvable if each agent prefers at most two objects over its initially held object and it is NP-hard if each agent prefers at most three objects over its initially held object. We also provide a polynomial-time 2-SAT program for the case where the graph of agents is a cycle.
"Theroux's best novel in years." CHICAGO TRIBUNE MY SECRET HISTORY is Paul Theroux's tour de force. It is the story of Andre Parent, a writer, a world traveler, a lover of every kind of woman he chances to meet in a life as varied as a man can lead. From his days as an altar boy, to his job as a teenaged lifeguard, and then as a youth caught between the attentions of a beautiful young student and an amorous older woman. And as the boy becomes a man he turns his attention to writing, which brings him fame, and a wife, who may finally bring him to know himself. But not before he sets up his most dangerous secret life, one that any man might envy, but that could cost Andre Parent the delicate balance that makes him who he is....