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2. Brane - Wikipedia

   en.wikipedia.org/wiki/Brane

   Open strings attached to a pair of D-branes. In string theory, a string may be open (forming a segment with two endpoints) or closed (forming a closed loop). D-branes are an important class of branes that arise when one considers open strings. As an open string propagates through spacetime, its endpoints are required to lie on a D-brane.

3. D-brane - Wikipedia

   en.wikipedia.org/wiki/D-brane

   The arrangement of D-branes constricts the types of string states which can exist in a system. For example, if we have two parallel D2-branes, we can easily imagine strings stretching from brane 1 to brane 2 or vice versa. (In most theories, strings are oriented objects: each one carries an "arrow" defining a direction along its length.) The ...

4. Brane cosmology - Wikipedia

   en.wikipedia.org/wiki/Brane_cosmology

   Print/export Download as PDF; Printable version; In other projects ... Interactions with the bulk, and possibly with other branes, can influence our brane and thus ...

5. Bridgeland stability condition - Wikipedia

   en.wikipedia.org/wiki/Bridgeland_stability_condition

   The case of original interest and particular importance is when this triangulated category is the derived category of coherent sheaves on a Calabi–Yau manifold, and this situation has fundamental links to string theory and the study of D-branes.

6. Homological mirror symmetry - Wikipedia

   en.wikipedia.org/wiki/Homological_mirror_symmetry

   The closed string A and B models only capture the so-called topological sector—a small portion of the full string theory. Similarly, the branes in these models are only topological approximations to the full dynamical objects that are D-branes. Even so, the mathematics resulting from this small piece of string theory has been both deep and ...

7. Table of mathematical symbols by introduction date - Wikipedia

   en.wikipedia.org/wiki/Table_of_mathematical...

   Download as PDF; Printable version; In other projects ... and also first appearance of plus sign in print) ... braces, a.k.a. curly brackets (for set notation)

8. Teens in Oregon Could Qualify for Free Braces — Here’s How

   www.aol.com/teens-oregon-could-qualify-free...

   How To Apply For Free Braces. Eligible people under the age of 21 must schedule an orthodontic consultation by Nov. 15 and have a strong medical and aesthetic need for braces. Central Oregon Daily ...

9. M-theory - Wikipedia

   en.wikipedia.org/wiki/M-theory

   For example, a point particle can be viewed as a brane of dimension zero, while a string can be viewed as a brane of dimension one. It is also possible to consider higher-dimensional branes. In dimension p, these are called p-branes. Branes are dynamical objects which can propagate through spacetime according to the rules of quantum mechanics.