(differential geometry, tensor calculus, sometimes as "differential p-form") A completely antisymmetric tensor (of order p) that is defined on a Riemannian manifold; an expression, derived by applying a formalism to said tensor, that represents an integrand over the manifold.

(linear algebra, multilinear algebra) Given a vector space V over a field K of scalars, a mapping Vᵏ → K that is linear in each of its arguments;

(Marxism) The social form of a commodity as a representation of value (socially necessary labour time).

plural of reduced row echelon form

(idiomatic) Not in any way at all; not at all, nohow.

plural of skin forming alloy

An alloy that has a narrow solidification range, usually less than 50 °C.

(game theory) Informally, a representation of a game as a tree of decision nodes, with the game beginning at a unique initial node, and flowing through the tree along a path determined by the players until a terminal node is reached, where play ends and payoffs are assigned to all players; each non-terminal node belongs to a player; that player chooses among the possible moves at that node, each possible move is an edge leading from that node to another node.

(logic) The form of a boolean formula that the formula has if the formula is a conjunction of disjunctions of literals, such as “(A or B or C) and (D or E or not F)”.

(logic) The form of a boolean formula that the formula has if the formula is a disjunction of conjunctions of literals, such as “(A and B and C) or (D and E and not F)”.