In mathematics, a Lorentz surface is a two-dimensional oriented smooth manifold with a conformal equivalence class of Lorentzian metrics. It is the analogue of a Riemann surface in indefinite signature. (Wikipedia).
MATH331: Riemann Surfaces - part 1
We define what a Riemann Surface is. We show that PP^1 is a Riemann surface an then interpret our crazy looking conditions from a previous video about "holomorphicity at infinity" as coming from the definition of a Riemann Surface.
From playlist The Riemann Sphere
This video defines a cylindrical surface and explains how to graph a cylindrical surface. http://mathispower4u.yolasite.com/
From playlist Quadric, Surfaces, Cylindrical Coordinates and Spherical Coordinates
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From playlist Physics
From playlist Surface integrals
Learn how to determine the volume of a sphere
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is called the radius of the sphere. A sphere has a unifo
From playlist Volume and Surface Area
Finding the volume and the surface area of a sphere
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is called the radius of the sphere. A sphere has a unifo
From playlist Volume and Surface Area
How do you find the surface area of a sphere
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is called the radius of the sphere. A sphere has a unifo
From playlist Volume and Surface Area
Riemann Roch for genus 0 curves
This lecture is about the Riemann_Roch theorem in the case of genus 0 curves. This is an easy warming up exercise for the harder cases of nonzero genus as we can work everything out explicitly. We verify the Riemann-Roch theorem for the projective line (or Riemann sphere), and then use the
From playlist Algebraic geometry: extra topics
Physics - E&M: Maxwell's Equations (3 of 30) Gauss' Law: A Closer Look
Visit http://ilectureonline.com for more math and science lectures! In this video I will take a closer look at Gauss' Law.
From playlist PHYSICS - ELECTRICITY AND MAGNETISM 3
The Butterfly Effect - What Does It Really Signify?
Oxford Mathematics Public Lectures: Tim Palmer - The Butterfly Effect - What Does It Really Signify? Meteorologist Ed Lorenz was one of the founding fathers of chaos theory. In 1963 he showed with just three simple equations that the world around us could be both completely deterministic
From playlist Oxford Mathematics Public Lectures
Lec 9 - Phys 237: Gravitational Waves with Kip Thorne
Watch the rest of the lectures on http://www.cosmolearning.com/courses/overview-of-gravitational-wave-science-400/ Redistributed with permission. This video is taken from a 2002 Caltech on-line course on "Gravitational Waves", organized and designed by Kip S. Thorne, Mihai Bondarescu and
From playlist Caltech: Gravitational Waves with Kip Thorne - CosmoLearning.com Physics
The Emergence of Kinetic Energy #SoME2
**There is an error in the Energy & wavelengths chapter. The formulas of Lambda_1 and Lambda_2 should be: Lambda_1 = Lambda_rest * ( ( c + v) / c ) Lambda_2 = Lambda_rest * ( ( c - v) / c ) Sorry for the error.** This is an attempt to explain the properties of kinetic energy through oth
From playlist Summer of Math Exposition 2 videos
Lec 19b - Phys 237: Gravitational Waves with Kip Thorne
Watch the rest of the lectures on http://www.cosmolearning.com/courses/overview-of-gravitational-wave-science-400/ Redistributed with permission. This video is taken from a 2002 Caltech on-line course on "Gravitational Waves", organized and designed by Kip S. Thorne, Mihai Bondarescu and
From playlist Caltech: Gravitational Waves with Kip Thorne - CosmoLearning.com Physics
Lecture 4 | Quantum Entanglements, Part 3 (Stanford)
Lecture 4 of Leonard Susskind's course concentrating on Quantum Entanglements (Part 3, Spring 2007). Recorded April 30, 2007 at Stanford University. This Stanford Continuing Studies course is the third of a three-quarter sequence of classes exploring the "quantum entanglements" in moder
From playlist Lecture Collection | Quantum Entanglements: Part 3 (Spring 2007)
Lec 8b - Phys 237: Gravitational Waves with Kip Thorne
Watch the rest of the lectures on http://www.cosmolearning.com/courses/overview-of-gravitational-wave-science-400/ Redistributed with permission. This video is taken from a 2002 Caltech on-line course on "Gravitational Waves", organized and designed by Kip S. Thorne, Mihai Bondarescu and
From playlist Caltech: Gravitational Waves with Kip Thorne - CosmoLearning.com Physics
Field Equations Maxwell's Equations Part 1
You can not understand the quantum theory of the electromagnetic field without a good understanding of classical electrodynamics. In this lesson we begin a review of the formal structure of Maxwell's equations in "real space". Our goal is to cast Maxwell's equations in "reciprocal space" w
From playlist QED- Prerequisite Topics
4. Volumes and volume elements; conservation laws.
MIT 8.962 General Relativity, Spring 2020 Instructor: Scott Hughes View the complete course: https://ocw.mit.edu/8-962S20 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP629n_3fX7HmKKgin_rqGzbx Volumes and volume elements, covariant construction using the Levi-Civita te
From playlist MIT 8.962 General Relativity, Spring 2020
37: Time dilation and length contraction - Part 1
Jacob Linder: 14.03.2012, Classical Mechanics (TFY4345), v2012 NTNU A full textbook covering the material in the lectures in detail can be downloaded for free here: http://bookboon.com/en/introduction-to-lagrangian-hamiltonian-mechanics-ebook
From playlist NTNU: TFY 4345 - Classical Mechanics | CosmoLearning Physics
David Neilsen (2) - Introduction to numerical hydrodynamics
PROGRAM: NUMERICAL RELATIVITY DATES: Monday 10 Jun, 2013 - Friday 05 Jul, 2013 VENUE: ICTS-TIFR, IISc Campus, Bangalore DETAL Numerical relativity deals with solving Einstein's field equations using supercomputers. Numerical relativity is an essential tool for the accurate modeling of a wi
From playlist Numerical Relativity
Elliptic curves: point at infinity in the projective plane
This video depicts point addition and doubling on elliptic curve in simple Weierstrass form in the projective plane depicted using stereographic projection where the point at infinity can actually be seen. Explanation is in the accompanying article https://trustica.cz/2018/04/05/elliptic-
From playlist Elliptic Curves - Number Theory and Applications