timelike

(mathematics, physics) Of a four-vector in representing a point in spacetime, having a positive or negative four-vector norm for the metric signature (+, -, -, -) and (-, +, +, +) respectively.

Japanese Meaning

数学や物理学において、時空の点を表す四元ベクトルが、計量符号 (+, -, -, -) または (-, +, +, +) において正もしくは負のノルムを持つ場合に、その四元ベクトルが持つ性質（時間方向に沿った特性）を表す用語。

What is this buttons?

In Minkowski spacetime, a timelike four-vector can represent the trajectory of a massive particle.

Google Translation / DeepL Translation

ミンコフスキー時空では、メトリックの符号が (+, -, -, -) か (-, +, +, +) のどちらかに応じて四元ベクトルのノルムが正または負になる、つまり時間方向の四元ベクトルは質量を持つ粒子の軌跡を表すことができる。

Details

Sense（1）

(mathematics, physics) Of a four-vector in representing a point in spacetime, having a positive or negative four-vector norm for the metric signature (+, -, -, -) and (-, +, +, +) respectively.

Sense（2）

(physics) (of the interval between two events in spacetime) Having overlapping light cones, so that information can pass from one to the other, and one can be envisaged as a cause of the other.

more timelike

（ comparative ）

most timelike

（ superlative ）

Details

timelike

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