نسخه جدید اوبونتو هماکنون روی شبکه داخلی.
Others => OS
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Others => OS
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
کتابخانه دیجیتال خواجهنصیرالدینطوسی
نسخه جدید اوبونتو هماکنون روی شبکه داخلی. Others => OS ⚡️ 192.168.80.180:8080 Username: physics Password: quantum
این نسخه اوبونتو از سری LTS است که ۵ سال ساپورت کامل میشن. یعنی شما با نصب این سیستم عامل میتونین تا ۲۰۲۳ از ساپورت کامل و آپدیت شدن و پچ شدن مشکلات امنیتی و غیره مطمئن باشین. برای دانلود میتونین به سایت رسمی اوبونتو مراجعه کنین و برای آپگرید از Software & Updates شروع کنین.
مهتمرین تغییرات در سگ آب بایونیک، استفاده از کرنل ۴.۱۵ و استفاده از X برای محیط گرافیکی. ویلند هنوز راه زیادی داره و حدس زده می شه از ورژن ۲۰.۰۴ فعال بشه. گنوم روی ورژن ۳.۲۸ است و لیبره آفیس روی ورژن ۶.
نکته مهم دیگه اینه که اوبونتو ۳۲ بیتی دسکتاپ دیگه عرضه نمیشه چون تقریبا همه کامپیوترهای ماروزی ما ۶۴ بیتی هستن. از اونطرف gdm جایگزین lightdm شده و روی ویرچوال دسکتاپ ۱ کار می کنه که از هر دوی این تغییرات خوشحالم. با اینکه چیزهای ریزی هستن.
https://jadi.net
مهتمرین تغییرات در سگ آب بایونیک، استفاده از کرنل ۴.۱۵ و استفاده از X برای محیط گرافیکی. ویلند هنوز راه زیادی داره و حدس زده می شه از ورژن ۲۰.۰۴ فعال بشه. گنوم روی ورژن ۳.۲۸ است و لیبره آفیس روی ورژن ۶.
نکته مهم دیگه اینه که اوبونتو ۳۲ بیتی دسکتاپ دیگه عرضه نمیشه چون تقریبا همه کامپیوترهای ماروزی ما ۶۴ بیتی هستن. از اونطرف gdm جایگزین lightdm شده و روی ویرچوال دسکتاپ ۱ کار می کنه که از هر دوی این تغییرات خوشحالم. با اینکه چیزهای ریزی هستن.
https://jadi.net
ویدیو این ارائه هماکنون بر روی شبکه داخلی قابل دسترس است:
Seminars & Talks => Wikipedia
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Seminars & Talks => Wikipedia
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Scale-free networks are rare
Aaron Clauset
http://bit.ly/2NypVMh
Seminars & Talks => Complex Systems
192.168.80.180:8080
Username: physics
Password: quantum
Aaron Clauset
http://bit.ly/2NypVMh
Seminars & Talks => Complex Systems
192.168.80.180:8080
Username: physics
Password: quantum
Forwarded from Complex Systems Studies
🔖 Scale-free networks are rare
Anna D. Broido, Aaron Clauset
🔗 arxiv.org/pdf/1801.03400.pdf
📌 ABSTRACT
A central claim in modern network science is that real-world networks are typically "scale free," meaning that the fraction of nodes with degree k follows a power law, decaying like k−α, often with 2<α<3. However, empirical evidence for this belief derives from a relatively small number of real-world networks. We test the universality of scale-free structure by applying state-of-the-art statistical tools to a large corpus of nearly 1000 network data sets drawn from social, biological, technological, and informational sources. We fit the power-law model to each degree distribution, test its statistical plausibility, and compare it via a likelihood ratio test to alternative, non-scale-free models, e.g., the log-normal. Across domains, we find that scale-free networks are rare, with only 4% exhibiting the strongest-possible evidence of scale-free structure and 52% exhibiting the weakest-possible evidence. Furthermore, evidence of scale-free structure is not uniformly distributed across sources: social networks are at best weakly scale free, while a handful of technological and biological networks can be called strongly scale free. These results undermine the universality of scale-free networks and reveal that real-world networks exhibit a rich structural diversity that will likely require new ideas and mechanisms to explain.
Anna D. Broido, Aaron Clauset
🔗 arxiv.org/pdf/1801.03400.pdf
📌 ABSTRACT
A central claim in modern network science is that real-world networks are typically "scale free," meaning that the fraction of nodes with degree k follows a power law, decaying like k−α, often with 2<α<3. However, empirical evidence for this belief derives from a relatively small number of real-world networks. We test the universality of scale-free structure by applying state-of-the-art statistical tools to a large corpus of nearly 1000 network data sets drawn from social, biological, technological, and informational sources. We fit the power-law model to each degree distribution, test its statistical plausibility, and compare it via a likelihood ratio test to alternative, non-scale-free models, e.g., the log-normal. Across domains, we find that scale-free networks are rare, with only 4% exhibiting the strongest-possible evidence of scale-free structure and 52% exhibiting the weakest-possible evidence. Furthermore, evidence of scale-free structure is not uniformly distributed across sources: social networks are at best weakly scale free, while a handful of technological and biological networks can be called strongly scale free. These results undermine the universality of scale-free networks and reveal that real-world networks exhibit a rich structural diversity that will likely require new ideas and mechanisms to explain.
ادوارد ویتن درسگفتاری روی نظریه اطلاعات گفته که ویدیوش روی شبکه داخلی موجوده:
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Forwarded from Complex Systems Studies
🔖 A Mini-Introduction To Information Theory
🙋🏻♂ Edward Witten
🔗 https://arxiv.org/pdf/1805.11965
📌 ABSTRACT
This article consists of a very short introduction to classical and quantum information theory. Basic properties of the classical Shannon entropy and the quantum von Neumann entropy are described, along with related concepts such as classical and quantum relative entropy, conditional entropy, and mutual information. A few more detailed topics are considered in the quantum case.
🙋🏻♂ Edward Witten
🔗 https://arxiv.org/pdf/1805.11965
📌 ABSTRACT
This article consists of a very short introduction to classical and quantum information theory. Basic properties of the classical Shannon entropy and the quantum von Neumann entropy are described, along with related concepts such as classical and quantum relative entropy, conditional entropy, and mutual information. A few more detailed topics are considered in the quantum case.
هر دوی ویدیوها روی شبکه داخلی قرار دارند:
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
هماکنون روی شبکه داخلی قرار دارد.
https://www.udemy.com/python-for-data-science-and-machine-learning-bootcamp/
Graduate
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
https://www.udemy.com/python-for-data-science-and-machine-learning-bootcamp/
Graduate
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Forwarded from رادیوفیزیک 📣
Media is too big
VIEW IN TELEGRAM
جلسه دفاع: «استنباط ماتریس برهمکنش شبکههای پیچیده در حال تحول»
عباس کریمی
https://youtu.be/pNfQk5yRqfs
عباس کریمی
https://youtu.be/pNfQk5yRqfs
رادیوفیزیک 📣
جلسه دفاع: «استنباط ماتریس برهمکنش شبکههای پیچیده در حال تحول» عباس کریمی https://youtu.be/pNfQk5yRqfs
ویدیو جلسه دفاع به همراه اسلایدها و پایاننامه روی شبکه داخلی قسمت سخنرانیهای گروه سیستمهای پیچیده قرار گرفت.
کورس Explorations in Cosmology از Perimeter Institute در پوشهی Graduate قرار دارد.
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
پیچیدگی و گرانش (۱) - ساسکیند
Prospects in Theoretical Physics 2018: From Qubits to Spacetime
Seminars & Talks => Other
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Prospects in Theoretical Physics 2018: From Qubits to Spacetime
Seminars & Talks => Other
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Leonard Susskind on Richard Feynman, the Holographic Principle, and Unanswered Questions in Physics
Seminars & Talks => Other
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Seminars & Talks => Other
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Emergence and Minimal Models in Condensed Matter Physics and Biology -Nigel Goldenfeld
https://www.perimeterinstitute.ca/videos/emergence-and-minimal-models-condensed-matter-physics-and-biology
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
https://www.perimeterinstitute.ca/videos/emergence-and-minimal-models-condensed-matter-physics-and-biology
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Simon DeDeo, Carnegie Mellon University - Seminar - January 18, 2019
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Seminars & Talks => Complex Systems
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
کتابخانه دیجیتال خواجهنصیرالدینطوسی
Simon DeDeo, Carnegie Mellon University - Seminar - January 18, 2019 Seminars & Talks => Complex Systems ⚡️ 192.168.80.180:8080 Username: physics Password: quantum
Supertheories and Consilience from Alchemy to Electromagnetism Many of us—though not all—believe that good scientific theories are ones that simultaneously explain disparate phenomena. The theory of evolution in Biology, general equilibrium in Economics, and electroweak theory in Physics have all been favored for this property, and the Santa Fe Institute is sometimes rumored to be looking for a unified theory of complex systems. There is no obvious reason why the world should work this way, of course: the best science could well be domain local, a view sometimes found among linguists and anthropologists. We must thus regard unification as an epistemic norm, not a given. When examined from the outside, it is of mysterious origin. It is not to be found in the origin texts of the scientific revolution: Francis Bacon’s introduction of the scientific method in the New Organon is positively hostile to the idea, and it only becomes explicit in 1843 when William named it “consilience”. An analysis of the five thousands articles published in the Philosophical Transactions of the Royal Society, Europe’s first scientific journal, between 1666 and 1867, shows that norms of consilience rose gradually, and inexorably, over the course of two centuries of investigation. Explicit selection for consilience begins in the 1700s, around the time of Ben Franklin’s kite experiments, and by the mid-1800s, we see the emergence of supertheories: ideas like electromagnetism and the wave theory of light that break prior pairwise consilience to accrue links and co-explain a much wider range of phenomena than ever seen before.
کلاس مکانیک کلاسیک کنونی دکتر حسین شجاعی ضبط میشود و به تدریج به روی شبکه داخلی قرار میگیرد. ویدیو، فایل صوتی و جزوه جلسه اول و دوم این کلاس هماکنون روی شبکه داخلی قرار دارد. منبع این درس کتاب زیر است.
Mathematical Methods of Classical Mechanics by Arnol'd, V.I.
(BS => 3rd & 4th Year)
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum
Mathematical Methods of Classical Mechanics by Arnol'd, V.I.
(BS => 3rd & 4th Year)
⚡️ 192.168.80.180:8080
Username: physics
Password: quantum