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Academy of Finland

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25,940 research outcomes, page 1 of 2,594
  • publication . Preprint . Article . 2019
    System-environment correlations in qubit initialization and control
    Open Access
    Authors:
    Tuorila, Jani; Stockburger, Jürgen; Ala-Nissila, Tapio; Ankerhold, Joachim; Möttönen, Mikko;
    Persistent Identifiers

    doi: 10.1103/physrevresearch.1.013004

    Country: Finland
    Project: EC | QUESS (681311), AKA | COMP: Centre of Excellenc... (251748), AKA | Finnish Centre of Excelle... (312300)

    The impressive progress in fabricating and controlling superconducting devices for quantum information processing has reached a level where reliable theoretical predictions need to account for quantum correlations that are not captured by the conventional modeling of co...

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  • publication . Article . Preprint . 2014
    Inverse boundary value problems for the perturbed polyharmonic operator
    Open Access English
    Authors:
    Katsiaryna Krupchyk; Matti Lassas; Gunther Uhlmann;
    Persistent Identifiers

    doi: 10.1090/s0002-9947-2013-05713-3

    Publisher: eScholarship, University of California
    Country: United States
    Project: AKA | Finnish CoE in Inverse Pr... (213476), AKA | Boundary Value Problems f... (125599)

    We show that a first order perturbation A ( x ) ⋅ D + q ( x ) A(x)\cdot D+q(x) of the polyharmonic operator ( − Δ ) m (-\Delta )^m , m ≥ 2 m\ge 2 , can be determined uniquely from the set of the Cauchy data for the perturbed polyharmonic operator...

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  • publication . Preprint . 2017
    Topographical changes caused by moderate and small floods in a gravelly ephemeral river – 2D morphodynamic simulation approach
    Open Access
    Authors:
    Eliisa Lotsari; Mikel Calle; Gerardo Benito; Antero Kukko; Harri Kaartinen; Juha Hyyppä; Hannu Hyyppä; Petteri Alho;
    Persistent Identifiers

    doi: 10.5194/esurf-2017-52

    Publisher: Copernicus GmbH
    Project: AKA | Centre of Excellence in L... (272195)

    Abstract. In ephemeral rivers, channel morphology represents a snapshot at the end of a succession of geomorphic changes performed by a flood. In most cases, the channel shape and bedform evolution during different phases of a flood hydrograph are not recognized from fi...

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  • publication . Article . 2014
    Rapid prototyping a tool for presenting 3-dimensional digital models produced by terrestrial laser scanning
    Open Access English
    Authors:
    Hyyppä, Hannu; Kurkela, Matti; Vaaja, Matti; Alho, Petteri; Hyyppä; Juha; Virtanen, Juho-Pekka;
    Persistent Identifiers

    doi: 10.3390/ijgi3030871

    Country: Finland
    Project: AKA | RIVERINE CHANGE DETECTION... (272711)

    Rapid prototyping has received considerable interest with the introduction of affordable rapid prototyping machines. These machines can be used to manufacture physical models from three-dimensional digital mesh models. In this paper, we compare the results obtained with...

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  • publication . Article . 2021
    Cryogenic land surface processes shape vegetation biomass patterns in northern European tundra
    Open Access
    Authors:
    Juha Aalto; Pekka Niittynen; Henri Riihimäki; Miska Luoto;
    Persistent Identifiers

    doi: 10.1038/s43247-021-00292-7

    Publisher: Springer Science and Business Media LLC
    Country: Finland
    Project: AKA | Topoclimate, land surface... (307761)

    Tundra ecosystems have experienced changes in vegetation composition, distribution, and productivity over the past century due to climate warming. However, the increase in above-ground biomass may be constrained by cryogenic land surface processes that cause topsoil dis...

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  • publication . Article . 2017
    Differential regulation of angiogenic cellular processes and claudin-5 by histamine and VEGF via PI3K-signaling, transcription factor SNAI2 and interleukin-8
    Open Access
    Authors:
    Laakkonen, Johanna P.; Lappalainen, Jari P.; Theelen, Thomas L.; Toivanen, Pyry I.; Nieminen, Tiina; Jauhiainen, Suvi; Kaikkonen, Minna U.; Sluimer, Judith C.; Ylä-Herttuala, Seppo;
    Persistent Identifiers

    doi: 10.1007/s10456-016-9532-7

    Publisher: Springer Science and Business Media LLC
    Country: Netherlands
    Project: AKA | DEVELOPING GENE THERAPY S... (250614), EC | CleverGenes (670951)

    Histamine and vascular endothelial growth factor A (VEGF) are central regulators in vascular pathologies. Their gene regulation leading to vascular remodeling has remained obscure. In this study, EC regulation mechanisms of histamine and VEGF were compared by RNA sequen...

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