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  2. Brane - Wikipedia

    en.wikipedia.org/wiki/Brane

    Branes are dynamical objects which can propagate through spacetime according to the rules of quantum mechanics. They have mass and can have other attributes such as charge . Mathematically, branes can be represented within categories , and are studied in pure mathematics for insight into homological mirror symmetry and noncommutative geometry .

  3. String theory - Wikipedia

    en.wikipedia.org/wiki/String_theory

    Branes are dynamical objects which can propagate through spacetime according to the rules of quantum mechanics. They have mass and can have other attributes such as charge. A p -brane sweeps out a ( p +1)-dimensional volume in spacetime called its worldvolume .

  4. Symbols of grouping - Wikipedia

    en.wikipedia.org/wiki/Symbols_of_grouping

    A superscript is understood to be grouped as long as it continues in the form of a superscript. For example if an x has a superscript of the forma+b, the sum is the exponent. For example: x 2+3, it is understood that the 2+3 is grouped, and that the exponent is the sum of 2 and 3. These rules are understood by all mathematicians.

  5. Bracket (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(mathematics)

    Braces { } are used to identify the elements of a set. For example, {a,b,c} denotes a set of three elements a, b and c. Angle brackets are used in group theory and commutative algebra to specify group presentations, and to denote the subgroup or ideal generated by a collection of elements.

  6. 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.

  7. Here’s What Each Sign Can Expect This January, Per An ... - AOL

    www.aol.com/sign-expect-january-per-astrologer...

    Venus, the planet that rules over all things love and desire, moves into the dreamy, emotional water sign Pisces on the 2nd. This planetary shift invites you to step back, meditate, and reflect on ...

  8. 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 ...

  9. Education vendor alleges DOE sidestepped bidding rules for ...

    www.aol.com/education-vendor-alleges-doe...

    The initiative began with 265 high schools piloting Illustrative Math for algebra, but many teachers hated the tightly scripted lesson plans, rigid schedule, and requirement that students work in ...