Do ownerless objects (hefker) acquire a Shabbat residence, restricting where they may be carried?

Does a person who falls asleep while traveling, with Shabbat beginning while he sleeps, acquire a Shabbat residence (shevisah) at that location?

4 opinions

If a traveler falls asleep near his home town (within the techum) with the intention of entering the town, does he acquire the town's Shabbat boundary?

1 opinions

Do objects owned by a non-Jew acquire a Shabbat residence at their location?

4 opinions

When a non-Jew brings objects that exited their Shabbat boundary into a walled city, where may those objects be moved within the city?

4 opinions

What constitutes a city 'enclosed for dwelling purposes' (mukaf l'dirah) such that movement of out-of-techum objects is permitted throughout it?

5 opinions

May a Jew move objects that were lent to a non-Jew and returned on Shabbat more than four cubits (when the city lacks a valid enclosure)?

3 opinions

When two people simultaneously acquire the same hefker object and have made eruvs in opposite directions, may either person move the object?

2 opinions

Do non-Jewish objects that are brought beyond their techum follow the non-Jew's own Shabbat location (like Jewish objects follow their owner), or do they follow only their physical placement location?

3 opinions