Search Results - "Hänninen, Timo"

A variational proof of a disentanglement theorem for multilinear norm inequalities by Carbery, Anthony, Hänninen, Timo S., Valdimarsson, Stefán Ingi

“…The basic disentanglement theorem established by the present authors states that estimates on a weighted geometric mean over (convex) families of functions can…”
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On Two-Weight Norm Inequalities for Positive Dyadic Operators by Hänninen, Timo S., Verbitsky, Igor E.

“…Let σ and ω be locally finite Borel measures on ℝ d , and let p ∈ ( 1 , ∞ ) and q ∈ ( 0 , ∞ ) . We study the two-weight norm inequality ∥ T ( f σ ) ∥ L q ( ω )…”
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Equivalence of sparse and Carleson coefficients for general sets by Hänninen, Timo S.

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Multilinear duality and factorisation for Brascamp–Lieb-type inequalities by Carbery, Anthony, Hänninen, Timo S., Valdimarsson, Stefán Ingi

“…We initiate the study of a duality theory which applies to norm inequalities for pointwise weighted geometric means of positive operators. The theory finds its…”
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Two-weight inequality for operator-valued positive dyadic operators by parallel stopping cubes by Hänninen, Timo S.

“…We study the operator-valued positive dyadic operator T λ ( f σ ) := ∑ Q ∈ D λ Q ∫ Q f d σ 1 Q , where the coefficients {λ Q : C → D } Q ∈ D are positive…”
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Influenza A Outbreaks in Two Professional Ice Hockey Teams during COVID-19 Epidemic by Lindblad, Niklas, Hänninen, Timo, Valtonen, Maarit, Heinonen, Olli J, Waris, Matti, Ruuskanen, Olli

“…Influenza A outbreaks occurred in two professional hockey teams just after two games they played against each other. Thirteen players and two staff members…”
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Reliability of the Sport Concussion Assessment Tool 5 baseline testing: A 2-week test–retest study by Hänninen, Timo, Parkkari, Jari, Howell, David R., Palola, Vili, Seppänen, Arttu, Tuominen, Markku, Iverson, Grant L., Luoto, Teemu M.

“…To examine short-term test-retest reliability of the Sport Concussion Assessment Tool 5 (SCAT5). Longitudinal study. Sixty-two professional male ice hockey…”
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Sport concussion assessment tool – 3rd edition – normative reference values for professional ice hockey players by Hänninen, Timo, Tuominen, Markku, Parkkari, Jari, Vartiainen, Matti, Öhman, Juha, Iverson, Grant L, Luoto, Teemu M

“…Abstract Objectives To determine normative reference values for the Sport Concussion Assessment Tool—3rd Edition (SCAT3) using a large sample of professional…”
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Concussion in the international ice hockey World Championships and Olympic Winter Games between 2006 and 2015 by Tuominen, Markku, Hänninen, Timo, Parkkari, Jari, Stuart, Michael J, Luoto, Teemu, Kannus, Pekka, Aubry, Mark

“…Concussions in sports are a growing concern. This study describes the incidence, injury characteristics and time trends of concussions in international ice…”
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Operator-valued dyadic shifts and the T(1) theorem by Hänninen, Timo S., Hytönen, Tuomas P.

“…In this paper we extend dyadic shifts and the dyadic representation theorem to an operator-valued setting. We first define operator-valued dyadic shifts and…”
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Interpreting change on the SCAT3 in professional ice hockey players by Hänninen, Timo, Parkkari, Jari, Tuominen, Markku, Iverson, Grant L, Öhman, Juha, Vartiainen, Matti, Luoto, Teemu M

“…Abstract Objectives To examine test–retest reliability of the SCAT3 for two consecutive seasons using a large sample of professional male ice hockey players,…”
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Sport Concussion Assessment Tool: Interpreting day-of-injury scores in professional ice hockey players by Hänninen, Timo, Parkkari, Jari, Tuominen, Markku, Öhman, Juha, Howell, David R., Iverson, Grant L., Luoto, Teemu M.

“…To characterize the clinical utility of Sport Concussion Assessment Tool 3 (SCAT3) baseline and normative reference values for the assessment of acute…”
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Injury incidence and prevalence in Finnish top-level football - one-season prospective cohort study by Kurittu, Einari, Vasankari, Tommi, Brinck, Tuomas, Parkkari, Jari, Heinonen, Olli J, Kannus, Pekka, Hänninen, Timo, Köhler, Klaus, Leppänen, Mari

“…To investigate the injury characteristics in Finnish male football players. One-season prospective epidemiological study. Data were collected via injury…”
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Two-weight L p - L q Bounds for Positive Dyadic Operators: Unified Approach to p ≤ q and p > q by Hänninen, Timo S., Hytönen, Tuomas P., Li, Kangwei

“…We characterize the L p ( σ ) → L q ( ω ) boundedness of positive dyadic operators of the form T ( fσ ) = ∑ Q ∈ D λ Q ∫ Q f d σ ⋅ 1 Q , and the L p 1 ( σ 1 ) ×…”
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Two-Weight Lp → Lq Bounds for Positive Dyadic Operators in the Case 0 < q < 1 ≤ p by Hänninen, Timo S., Verbitsky, Igor E.

“…Let σ, ω be measures on ℝ d , and let {λ𝒬}𝒬∈𝒟 be a family of non-negative reals indexed by the collection 𝒟 of dyadic cubes in ℝ d . We give necessary and…”
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Acute injuries in male elite ice hockey players. A prospective cohort study by Hirvelä, Jussi, Tuominen, Markku, Airaksinen, Olavi, Hänninen, Timo, Lindblad, Niklas, Ryhänen, Hilkka, Tikanto, Jukka, Parkkari, Jari

“…In Finland, elite level ice hockey injury studies have not been conducted since 1990s. Epidemiological data is needed for developing injury prevention. The aim…”
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Acute injuries in male elite ice hockey players. A prospective cohort studyKey points by Jussi Hirvelä, Markku Tuominen, Olavi Airaksinen, Timo Hänninen, Niklas Lindblad, Hilkka Ryhänen, Jukka Tikanto, Jari Parkkari

“…Background: In Finland, elite level ice hockey injury studies have not been conducted since 1990s. Epidemiological data is needed for developing injury…”
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THE A 2 THEOREM AND THE LOCAL OSCILLATION DECOMPOSITION FOR BANACH SPACE VALUED FUNCTIONS by Hanninen, Timo S., Hytonen, Tuomas P.

“…We prove that the operator norm of every Banach space valued Calderón–Zygmund operator T on the weighted Lebesgue–Bochner space depends linearly on the…”
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eCall implementation roadmap for Finland by Oorni, Risto, Hautala, Raine, Hanninen, Timo, Lumiaho, Aki

“…The European in-vehicle 112 emergency call system eCall aims to reduce the number of road traffic fatalities in Europe. At present, the standards of eCall are…”
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Two-weight Lp- Lq Bounds for Positive Dyadic Operators: Unified Approach to p ≤ q and p > q by Hänninen, Timo S., Hytönen, Tuomas P., Li, Kangwei

“…We characterize the L p ( σ ) → L q ( ω ) boundedness of positive dyadic operators of the form T ( fσ ) = ∑ Q ∈ D λ Q ∫ Q f d σ ⋅ 1 Q , and the L p 1 ( σ 1 ) ×…”
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