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نمایش تعداد 1-10 از 127

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    Compact Operators on Quaternionic Hilbert Spaces 

    نوع: Journal Paper
    نویسنده : معصومه فشندی; Massoumeh Fashandi
    سال: 2013
    خلاصه:

    In this paper, compact operators on quaternionic Hilbert space are introduced

    and some properties of this class of operators are studied....

    Finite-time attitude consensus tracking with terminal sliding mode observer 

    نوع: Conference Paper
    نویسنده : Xinsheng Wang , Huaqiang Zhang , Changxi Li
    ناشر: IEEE
    سال: 2014

    Positive Compact Operators on Quaternionic Hilbert Spaces 

    نوع: Journal Paper
    نویسنده : معصومه فشندی; Massoumeh Fashandi
    سال: 2017
    خلاصه:

    In this paper, some properties of compact operators on quaternionic Hilbert spaces are studied. It is shown that the positiveness of a compact normal operator on a quaternionic Hilbert space is equivalent to positiveness of its eigenvalues. Some...

    On the weak topology of quaternionic Hilbert spaces 

    نوع: Journal Paper
    نویسنده : معصومه فشندی; Massoumeh Fashandi
    سال: 2019
    خلاصه:

    In this paper, we study weak topology on right quaternionic Hilbert spaces. We show that on right quaternionic Hilbert spaces weak compactness and weak sequential compactness coincide which could be viewed as a generalization of Eberlein...

    Green function of the inhomogeneous Helmholtz equation with nonuniform refraction index, using quaternion analysis 

    نوع: Journal Paper
    نویسنده : سید مجید صابری فتحی; Seyed Majid Saberi Fathi
    سال: 2010
    خلاصه:

    In this paper we first show in the framework of quaternion analysis how the fundamental solutions of the Dirac operators with vector potential can be obtained. Then, we use the obtained results to present a derivation of the exact analytic Green...

    A quaternionic approach to x-ray transform inversion in R3 

    نوع: Journal Paper
    نویسنده : سید مجید صابری فتحی; T.T. Truong; M K Nguyen; Seyed Majid Saberi Fathi
    سال: 2009
    خلاصه:

    A new derivation of the inverse of the x-ray transform is presented based on

    quaternion analysis. As pointed out by practitioners, a direct inversion formula

    offers more efficient reconstruction algorithms than tomographic inversion...

    The R3 exponential x-ray transform inversion in quaternion analysis 

    نوع: Journal Paper
    نویسنده : سید مجید صابری فتحی; Seyed Majid Saberi Fathi
    سال: 2010
    خلاصه:

    In this paper, we present a new derivation of the inverse of the exponential x-ray transform in the three dimensions, based on quaternion analysis. An explicit formula is obtained using a set of three-dimensional x-ray projection data. The result...

    Object manifold learning with action features for active tactile object recognition 

    نوع: Conference Paper
    نویسنده : Tanaka, D.; Matsubara, T.; Ichien, K.; Sugimoto, K.
    ناشر: IEEE
    سال: 2014

    Synthesis of train traffic control system with evolutionary computing 

    نوع: Conference Paper
    نویسنده : Kilyen, A.O. , Hulea, M. , Letia, T.S.
    ناشر: IEEE
    سال: 2014

    Discussion on the discharging effects of two STRETCH meat grinder modules with different triggering delays 

    نوع: Conference Paper
    ناشر: IEEE
    سال: 2014
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