Does an ember (coal) taken from another person on Yom Tov follow the giver's or the taker's boundary? What about a flame lit from another's fire?

ShabbatTechum Shabbat

Synopsis

An ember (which has physical substance) follows the giver's boundary. A flame lit from another's fire follows the boundary of the person who lit it, since flame has no physical substance and cannot acquire shevita from the original owner.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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