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wyszukanych pozycji: 6
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Maedi-Visna and Related Diseases
ISBN: 9780792304814 / Angielski / Twarda / 1989 / 190 str. Termin realizacji zamówienia: ok. 22 dni roboczych (Bez gwarancji dostawy przed świętami) G. Petursson and Rikke Hoff-J0rgensen The concept of slow viral infections was first put forward in 1954 by Dr. Bjorn Sigurdsson, an Icelandic physician who had been studying some sheep diseases which were introduced into Iceland with the importation of a foreign breed of sheep in 1933. Sigurdsson's main criteria for defining slow infec tions were a very long initial period without clinical signs lasting months or even years following infection and a rather regular protracted, progres sive course, once clinical symptoms had appeared, usually ending in serious disease or death. Sigurdsson...
G. Petursson and Rikke Hoff-J0rgensen The concept of slow viral infections was first put forward in 1954 by Dr. Bjorn Sigurdsson, an Icelandic physici...
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cena:
805,10 |
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Integration of Ecosystem Theories: A Pattern
ISBN: 9781402007552 / Angielski / Miękka / 2002 / 420 str. Termin realizacji zamówienia: ok. 22 dni roboczych (Bez gwarancji dostawy przed świętami) The book presents an integration of existing ecosystem theories in such a comprehensive way as to enable a full ecological and theoretical pattern to be presented. It shows that ecosystems and their reactions may be understood, provided that all basic systems ecology is applied to different aspects of the properties of ecosystems. Since the publication of the previous two editions of this book, ongoing research and discussions on an international scale have greatly clarified and enhanced this pattern. This progress is presented as Chapter 16 in this new, third edition. It is shown that the...
The book presents an integration of existing ecosystem theories in such a comprehensive way as to enable a full ecological and theoretical pattern to ...
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cena:
805,10 |
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Differential Games in Marketing
ISBN: 9781402076138 / Angielski / Twarda / 2003 / 176 str. Termin realizacji zamówienia: ok. 22 dni roboczych (Bez gwarancji dostawy przed świętami) Game theory has proven useful to represent and conceptualize problems of conflict and cooperation in a formal way, and to predict the outcome of such situations. Differential games are dynamic games that are particularly designed to study systems where observations and decisions are made in real time.
The book conveys to the reader the state of the art of research in marketing applications of differential game theory. This research started about 25 years ago and the literature has now reached an extent and a maturity that makes it natural to take stock. The book deals with... Game theory has proven useful to represent and conceptualize problems of conflict and cooperation in a formal way, and to predict the outcome of such ...
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cena:
603,81 |
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Positive Semigroups of Operators, and Applications
ISBN: 9789027718396 / Angielski / Twarda / 1984 / 202 str. Termin realizacji zamówienia: ok. 22 dni roboczych (Bez gwarancji dostawy przed świętami) This means that semigroup theory may be applied directly to the study of the equation I'!.f = h on M. In [45] Yau proves that, for h ~ 0, there are no nonconstant, nonnegative solutions f in [j' for 1 00. From this, Yau gets the geometric fact that complete noncom pact Riemannian manifolds with nonnegative Ricci curvature must have infinite volume, a result which was announced earlier by Calabi [4]. 6. Concluding Remarks In several of the above results, positivity of the semigroup plays an important role. This was also true, although only implicitly, for the early work of Hille and Yosida on...
This means that semigroup theory may be applied directly to the study of the equation I'!.f = h on M. In [45] Yau proves that, for h ~ 0, there are no...
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cena:
201,24 |
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Visualization, Explanation and Reasoning Styles in Mathematics
ISBN: 9781402033346 / Angielski / Twarda / 2005 / 300 str. Termin realizacji zamówienia: ok. 22 dni roboczych (Bez gwarancji dostawy przed świętami) In the 20th century philosophy of mathematics has to a great extent been dominated by views developed during the so-called foundational crisis in the beginning of that century. These views have primarily focused on questions pertaining to the logical structure of mathematics and questions regarding the justi?cation and consistency of mathematics. Paradigmatic in this - spect is Hilbert s program which inherits from Frege and Russell the project to formalize all areas of ordinary mathematics and then adds the requi- ment of a proof, by epistemically privileged means (?nitistic reasoning), of...
In the 20th century philosophy of mathematics has to a great extent been dominated by views developed during the so-called foundational crisis in the ...
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cena:
402,53 |
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Integration of Ecosystem Theories: A Pattern
ISBN: 9780792319856 / Angielski / Twarda / 1992 / 389 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Combines existing (and different) ecosystem theories into an integral pattern, which shows that systems ecology can offer a full theoretical pattern. This may be of importance for development of ecology, ecosystem theory and environmental science.
Combines existing (and different) ecosystem theories into an integral pattern, which shows that systems ecology can offer a full theoretical pattern. ...
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cena:
475,45 |
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