Beyond Aggregate Drift: Optimal Client-Specific Windows in Federated Learning TQSHQZFCS5

URI	`m2://res/TQSHQZFCS5`
Kind	preprint
Creators	Yuriy Dorn, Dmitrii Vishovan, Kirill Novoselov, Ilya Kuruzov, Darina Dvinskikh, Alexander Gasnikov
Date	2026-10-11
MSC	49-XX, 90-XX, 93-XX
Subjects	arxiv math.OC, arxiv cs.LG
Scope	in

Expressions

The mentions of the inventory that name this resource. Each name links to the card of its inventory row.

Item	Kind	Where	Source
Optimized heterogeneous windows	statement	corollary 4.2	arxiv
Retuning does not close the scale gap	statement	proposition F.1	arxiv
A strict separation within this estimator class	statement	proposition 5.2	arxiv
Oracle comparison for joint memory choices	statement	theorem 6.1	arxiv
Comparison across memory scales	statement	corollary 5.1	arxiv
Stationary contribution at a finite horizon	statement	proposition E.1	arxiv
Projected SGD with the same memories	statement	proposition B.1	arxiv
Exact periodic risk of completed windows	statement	theorem G.1	arxiv
CZ97EWE1PE	definition	definition	arxiv
Joint upper and lower regime	statement	corollary B.3	arxiv
A biased stochastic oracle on a compact set	statement	lemma C.1	arxiv
Regular arrivals	definition	definition 3.1	arxiv
A projected-SGD potential with bounded bias	statement	lemma D.1	arxiv
Counts after alternating assignment	statement	lemma H.1	arxiv
Different drift clocks in one dimension	statement	theorem B.2	arxiv
Unknown-drift adaptation over joint memories	statement	theorem H.2	arxiv
The window functional	statement	lemma C.2	arxiv
Client-specific refresh	statement	theorem 4.1	arxiv
A shared window can be forced to keep the prefix	statement	proposition G.2	arxiv
An unbounded ratio within the shared-window class	statement	corollary G.3	arxiv