diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90b784727..51afb4f90 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright (c) 2018-2022 Simons Foundation
+# Copyright (c) 2018-2024 Simons Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/c++/nda/_impl_basic_array_view_common.hpp b/c++/nda/_impl_basic_array_view_common.hpp
index 76499dea3..021bac2fa 100644
--- a/c++/nda/_impl_basic_array_view_common.hpp
+++ b/c++/nda/_impl_basic_array_view_common.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Miguel Morales, Olivier Parcollet, Nils Wentzell
 
 // ------------------------------- data access --------------------------------------------
 
diff --git a/c++/nda/basic_array.hpp b/c++/nda/basic_array.hpp
index 3b6af8178..7f40a3806 100644
--- a/c++/nda/basic_array.hpp
+++ b/c++/nda/basic_array.hpp
@@ -105,10 +105,10 @@ namespace nda {
     explicit basic_array(basic_array<ValueType, Rank, LayoutPolicy, AlgebraOther, ContainerPolicyOther> x) noexcept
        : lay(x.indexmap()), sto(std::move(x.storage())) {}
 
-    /** 
-     * Construct with a shape [i0, is ...]. 
+    /**
+     * Construct with a shape [i0, is ...].
      * Int are integers (convertible to long), and there must be exactly R arguments.
-     * 
+     *
      * @param i0, is ... are the extents (lengths) in each dimension
      */
     template <std::integral... Int>
@@ -135,9 +135,9 @@ namespace nda {
       assign_from_scalar(val);
     }
 
-    /** 
+    /**
      * Construct with the given shape and default construct elements
-     * 
+     *
      * @param shape  Shape of the array (lengths in each dimension)
      */
     template <std::integral Int = long>
@@ -153,7 +153,7 @@ namespace nda {
     /// Construct from the layout and existing memory
     explicit basic_array(layout_t const &layout, storage_t &&storage) noexcept : lay{layout}, sto{std::move(storage)} {}
 
-    /** 
+    /**
      * Constructs from a.shape() and then assign from the evaluation of a
      */
     template <ArrayOfRank<Rank> A>
@@ -174,9 +174,9 @@ namespace nda {
       }
     }
 
-    /** 
-     * Initialize with any type modelling ArrayInitializer, typically a 
-     * delayed operation (mpi operation, matmul) that requires 
+    /**
+     * Initialize with any type modelling ArrayInitializer, typically a
+     * delayed operation (mpi operation, matmul) that requires
      * the knowledge of the data pointer to execute
      *
      */
@@ -348,7 +348,7 @@ namespace nda {
       return *this;
     }
 
-    /** 
+    /**
      * Resizes the array (if necessary).
      * Invalidates all references to the storage.
      *
@@ -362,7 +362,7 @@ namespace nda {
       return *this;
     }
 
-    /** 
+    /**
      * Resizes the array (if necessary).
      * Invalidates all references to the storage.
      *
@@ -378,8 +378,8 @@ namespace nda {
       return *this;
     }
 
-    /** 
-     * 
+    /**
+     *
      */
     template <ArrayInitializer<basic_array> Initializer>
     basic_array &operator=(Initializer const &initializer) noexcept {
@@ -389,7 +389,7 @@ namespace nda {
     }
 
     //------------------ resize  -------------------------
-    /** 
+    /**
      * Resizes the array.
      * Invalidates all references to the storage.
      * Content is undefined, makes no copy of previous data.
@@ -402,7 +402,7 @@ namespace nda {
       resize(std::array<long, Rank>{long(extent)...});
     }
 
-    /** 
+    /**
      * Resizes the array.
      * Invalidates all references to the storage.
      * Content is undefined, makes no copy of previous data.
diff --git a/c++/nda/basic_array_view.hpp b/c++/nda/basic_array_view.hpp
index e07978dc7..808219e88 100644
--- a/c++/nda/basic_array_view.hpp
+++ b/c++/nda/basic_array_view.hpp
@@ -118,20 +118,20 @@ namespace nda {
     explicit(requires_runtime_check<typename std::decay_t<A>::layout_policy_t>) basic_array_view(A &&a) noexcept
        : lay(a.indexmap()), sto(a.storage()) {}
 
-    /** 
+    /**
      * [Advanced] From a pointer to **contiguous data**, and a shape.
-     * NB : no control on the dimensions given.  
+     * NB : no control on the dimensions given.
      *
      * @param p Pointer to the data
      * @param shape Shape of the view (contiguous)
      */
     basic_array_view(std::array<long, Rank> const &shape, ValueType *p) noexcept : basic_array_view(layout_t{shape}, p) {}
 
-    /** 
-     * [Advanced] From a pointer to data, and an idx_map 
-     * NB : no control obvious on the dimensions given.  
+    /**
+     * [Advanced] From a pointer to data, and an idx_map
+     * NB : no control obvious on the dimensions given.
      *
-     * @param p Pointer to the data 
+     * @param p Pointer to the data
      * @param idxm Index Map (view can be non contiguous). If the offset is non zero, the view starts at p + idxm.offset()
      */
     basic_array_view(layout_t const &idxm, ValueType *p) noexcept : lay(idxm), sto{p} {}
@@ -184,11 +184,11 @@ namespace nda {
 
     /**
      * Copies the content of rhs into the view.
-     * Pseudo code : 
+     * Pseudo code :
      *     for all i,j,k,l,... : this[i,j,k,l,...] = rhs(i,j,k,l,...)
      *
      * The dimension of RHS must be large enough or behaviour is undefined.
-     * 
+     *
      * If NDA_BOUNDCHECK is defined, the bounds are checked.
      *
      * @tparam RHS A scalar or an object modeling the concept NDArray
@@ -213,8 +213,8 @@ namespace nda {
       return *this;
     }
 
-    /** 
-     * 
+    /**
+     *
      */
     template <ArrayInitializer<basic_array_view> Initializer>
     basic_array_view &operator=(Initializer const &initializer) noexcept {
diff --git a/c++/nda/basic_functions.hpp b/c++/nda/basic_functions.hpp
index fdbae4a90..79550891b 100644
--- a/c++/nda/basic_functions.hpp
+++ b/c++/nda/basic_functions.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Olivier Parcollet, Nils Wentzell
+// Authors: Dominik Kiese, Miguel Morales, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/blas/interface/cublas_interface.cpp b/c++/nda/blas/interface/cublas_interface.cpp
index f31079b21..50ce3fab5 100644
--- a/c++/nda/blas/interface/cublas_interface.cpp
+++ b/c++/nda/blas/interface/cublas_interface.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2022-2023 Simons Foundation
+// Copyright (c) 2022-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/blas/interface/cublas_interface.hpp b/c++/nda/blas/interface/cublas_interface.hpp
index 0e5b3eee7..6832ae3f6 100644
--- a/c++/nda/blas/interface/cublas_interface.hpp
+++ b/c++/nda/blas/interface/cublas_interface.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2022 Simons Foundation
+// Copyright (c) 2022-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales
+// Authors: Miguel Morales, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/blas/interface/cxx_interface.cpp b/c++/nda/blas/interface/cxx_interface.cpp
index 829417968..f9edec580 100644
--- a/c++/nda/blas/interface/cxx_interface.cpp
+++ b/c++/nda/blas/interface/cxx_interface.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Henri Menke, Miguel Morales, Olivier Parcollet, Nils Wentzell
 
 #include <nda/nda.hpp>
 #include <nda/exceptions.hpp>
diff --git a/c++/nda/blas/interface/cxx_interface.hpp b/c++/nda/blas/interface/cxx_interface.hpp
index 6f11c7f0b..167d37774 100644
--- a/c++/nda/blas/interface/cxx_interface.hpp
+++ b/c++/nda/blas/interface/cxx_interface.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/clef/clef.hpp b/c++/nda/clef/clef.hpp
index 1ba2adcd6..5511c3992 100644
--- a/c++/nda/clef/clef.hpp
+++ b/c++/nda/clef/clef.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/clef/io.hpp b/c++/nda/clef/io.hpp
index 5120ba45c..7b7fd3b99 100644
--- a/c++/nda/clef/io.hpp
+++ b/c++/nda/clef/io.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2021 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/gtest_tools.hpp b/c++/nda/gtest_tools.hpp
index 359e62c90..e3b92d159 100644
--- a/c++/nda/gtest_tools.hpp
+++ b/c++/nda/gtest_tools.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2021 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/h5.hpp b/c++/nda/h5.hpp
index 764b8b6d0..9bd44e10f 100644
--- a/c++/nda/h5.hpp
+++ b/c++/nda/h5.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack.hpp b/c++/nda/lapack.hpp
index 7186f1fc9..83688e819 100644
--- a/c++/nda/lapack.hpp
+++ b/c++/nda/lapack.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 #include <complex>
diff --git a/c++/nda/lapack/gelss.hpp b/c++/nda/lapack/gelss.hpp
index 24528cf55..92a455d55 100644
--- a/c++/nda/lapack/gelss.hpp
+++ b/c++/nda/lapack/gelss.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2020-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/gelss_worker.hpp b/c++/nda/lapack/gelss_worker.hpp
index b1293a069..62ff89551 100644
--- a/c++/nda/lapack/gelss_worker.hpp
+++ b/c++/nda/lapack/gelss_worker.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2023 Simons Foundation
+// Copyright (c) 2020-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/geqp3.hpp b/c++/nda/lapack/geqp3.hpp
index 01e5bcc4e..fef6a9c42 100644
--- a/c++/nda/lapack/geqp3.hpp
+++ b/c++/nda/lapack/geqp3.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell, Jason Kaye
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
@@ -45,7 +45,7 @@ namespace nda::lapack {
    *           The scalar factors of the elementary reflectors.
    *
    * [return]  info is INTEGER
-   *           = 0: successful exit. 
+   *           = 0: successful exit.
    *           < 0: if INFO = -i, the i-th argument had an illegal value.
    *
    * @note If one wishes to carry out the column pivoted QR algorithm, the array
diff --git a/c++/nda/lapack/gesvd.hpp b/c++/nda/lapack/gesvd.hpp
index c2aeb927c..a03110d44 100644
--- a/c++/nda/lapack/gesvd.hpp
+++ b/c++/nda/lapack/gesvd.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Miguel Morales, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/getri.hpp b/c++/nda/lapack/getri.hpp
index dabd31b6f..f777ef2be 100644
--- a/c++/nda/lapack/getri.hpp
+++ b/c++/nda/lapack/getri.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Nils Wentzell
+// Authors: Thomas Hahn, Miguel Morales, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/interface/cusolver_interface.hpp b/c++/nda/lapack/interface/cusolver_interface.hpp
index 214f76727..3054d107a 100644
--- a/c++/nda/lapack/interface/cusolver_interface.hpp
+++ b/c++/nda/lapack/interface/cusolver_interface.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales
+// Authors: Miguel Morales, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/interface/cxx_interface.cpp b/c++/nda/lapack/interface/cxx_interface.cpp
index b4ed40818..e1858fec2 100644
--- a/c++/nda/lapack/interface/cxx_interface.cpp
+++ b/c++/nda/lapack/interface/cxx_interface.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #include <nda/nda.hpp>
 #include <nda/macros.hpp>
diff --git a/c++/nda/lapack/interface/cxx_interface.hpp b/c++/nda/lapack/interface/cxx_interface.hpp
index 07b27cd01..8136d9ebf 100644
--- a/c++/nda/lapack/interface/cxx_interface.hpp
+++ b/c++/nda/lapack/interface/cxx_interface.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Miguel Morales, Olivier Parcollet, Nils Wentzell
+// Authors: Jason Kaye, Miguel Morales, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
diff --git a/c++/nda/lapack/orgqr.hpp b/c++/nda/lapack/orgqr.hpp
index 51ba3908d..8e6d5d025 100644
--- a/c++/nda/lapack/orgqr.hpp
+++ b/c++/nda/lapack/orgqr.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell, Jason Kaye
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
@@ -42,7 +42,7 @@ namespace nda::lapack {
    *           reflector H(i), as returned by GEQRF or GEQP3.
    *
    * [return]  info is INTEGER
-   *           = 0: successful exit. 
+   *           = 0: successful exit.
    *           < 0: if INFO = -i, the i-th argument had an illegal value.
    */
   template <MemoryMatrix A, MemoryVector TAU>
diff --git a/c++/nda/lapack/ungqr.hpp b/c++/nda/lapack/ungqr.hpp
index ab8d91576..3d1b3fc5d 100644
--- a/c++/nda/lapack/ungqr.hpp
+++ b/c++/nda/lapack/ungqr.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell, Jason Kaye
+// Authors: Jason Kaye, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 
@@ -41,7 +41,7 @@ namespace nda::lapack {
    *           reflector H(i), as returned by GEQRF or GEQP3.
    *
    * [return]  info is INTEGER
-   *           = 0: successful exit. 
+   *           = 0: successful exit.
    *           < 0: if INFO = -i, the i-th argument had an illegal value.
    */
   template <MemoryMatrix A, MemoryVector TAU>
diff --git a/c++/nda/layout/for_each.hpp b/c++/nda/layout/for_each.hpp
index bc9b591a4..0969b24dc 100644
--- a/c++/nda/layout/for_each.hpp
+++ b/c++/nda/layout/for_each.hpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2018 Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
 // Copyright (c) 2018 Centre national de la recherche scientifique (CNRS)
-// Copyright (c) 2018-2021 Simons Foundation
+// Copyright (c) 2018-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 /**
  * @file
diff --git a/c++/nda/layout/idx_map.hpp b/c++/nda/layout/idx_map.hpp
index 3dd350e7a..6d6633e7e 100644
--- a/c++/nda/layout/idx_map.hpp
+++ b/c++/nda/layout/idx_map.hpp
@@ -14,7 +14,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Dominik Kiese, Henri Menke, Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Dominik Kiese, Henri Menke, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 #include <vector>
@@ -55,7 +55,7 @@ namespace nda {
    * Basically lengths and strides for each dimensions
    *
    * @tparam Rank : rank of the index map
-   * 
+   *
    * @tparam StaticExtents : encoded std::array{0, d1, 0, d3}
    *   where d1, d3 are static dimensions for index 1,3
    *         NB Limitation : d1, d3 < 16 (until C++20)
@@ -63,16 +63,16 @@ namespace nda {
    *   NB : if StaticExtents ==0, it means all dimensions are static
    *
    * @tparam StrideOrder : a permutation for the memory stride_order of the array
-   *    
+   *
    *    StrideOrder[0] : the slowest index,
    *    StrideOrder[Rank-1] : the fastest index
    *    Example :
    *        012 : C the last index is the fastest
    *        210 : Fortran, the first index is the fastest
    *        120 : storage (i,j,k) is : index j is slowest, then k, then i
-   *    
+   *
    *    NB : StrideOrder = 0 is the default and it is means 0 order
-   * 
+   *
    * @tparam LayoutProp : A flags of compile time guarantees for the layout
    *
    */
@@ -220,7 +220,7 @@ namespace nda {
 
     [[nodiscard]] bool is_stride_order_valid() const { return is_stride_order_valid(len.data(), str.data()); }
 
-    /** 
+    /**
      * From an idxmap with other info flags
      * @param idxm
      */
@@ -366,8 +366,8 @@ namespace nda {
      * Number of variables must be exactly the rank or are optionally
      * checked at runtime
      *
-     * @return : 
-     *       the linear position 
+     * @return :
+     *       the linear position
      *
      */
     template <typename... Args>
@@ -384,8 +384,8 @@ namespace nda {
 
     /**
      * Stride order agnostic mapping to index
-     * 
-     * @return : 
+     *
+     * @return :
      *       indices corresponding to linear index
      *
      */
@@ -425,7 +425,7 @@ namespace nda {
     // ---------------- Transposition -------------------------
 
     /**
-     * Makes a new transposed idx_map with permutation P such that 
+     * Makes a new transposed idx_map with permutation P such that
      * denoting here  A = this, A' = P A = returned_value
      * A'(i_k) = A(i_{P[k]})
      *
diff --git a/c++/nda/layout/io.hpp b/c++/nda/layout/io.hpp
index 48b5a42b2..9b1a79af2 100644
--- a/c++/nda/layout/io.hpp
+++ b/c++/nda/layout/io.hpp
@@ -29,7 +29,7 @@ namespace std {
     return out;
   }
 
-  /* template<typename T, size_t N> 
+  /* template<typename T, size_t N>
   std::string to_string(std::array<T,N> const &v) const {
     std::ostringstream fs;
     fs<<v;
diff --git a/c++/nda/layout/permutation.hpp b/c++/nda/layout/permutation.hpp
index 18a7c35ce..2a09c4861 100644
--- a/c++/nda/layout/permutation.hpp
+++ b/c++/nda/layout/permutation.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 /**
  * @file
diff --git a/c++/nda/layout/policies.hpp b/c++/nda/layout/policies.hpp
index fc7f89081..72c067805 100644
--- a/c++/nda/layout/policies.hpp
+++ b/c++/nda/layout/policies.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/layout_transforms.hpp b/c++/nda/layout_transforms.hpp
index 455c8a12a..c9cd25b13 100644
--- a/c++/nda/layout_transforms.hpp
+++ b/c++/nda/layout_transforms.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/linalg/eigenelements.hpp b/c++/nda/linalg/eigenelements.hpp
index e7111b9be..32075931b 100644
--- a/c++/nda/linalg/eigenelements.hpp
+++ b/c++/nda/linalg/eigenelements.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2021 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/mem/allocators.hpp b/c++/nda/mem/allocators.hpp
index 80f3c61cb..aba143e2f 100644
--- a/c++/nda/mem/allocators.hpp
+++ b/c++/nda/mem/allocators.hpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2018 Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
 // Copyright (c) 2018 Centre national de la recherche scientifique (CNRS)
-// Copyright (c) 2018-2022 Simons Foundation
+// Copyright (c) 2018-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/nda.hpp b/c++/nda/nda.hpp
index 2d3bba019..fc8f7d037 100644
--- a/c++/nda/nda.hpp
+++ b/c++/nda/nda.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/c++/nda/sym_grp.hpp b/c++/nda/sym_grp.hpp
index 7ef91c50a..c69a65c1a 100644
--- a/c++/nda/sym_grp.hpp
+++ b/c++/nda/sym_grp.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2023 Simons Foundation
+// Copyright (c) 2023-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Dominik Kiese
+// Authors: Dominik Kiese, Nils Wentzell
 
 #pragma once
 #include "nda.hpp"
diff --git a/c++/nda/traits.hpp b/c++/nda/traits.hpp
index 6cee76a53..3ca888551 100644
--- a/c++/nda/traits.hpp
+++ b/c++/nda/traits.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #pragma once
 #include <cstdint>
diff --git a/test/c++/clef/clef_basic.cpp b/test/c++/clef/clef_basic.cpp
index eefb1b135..d12d921f9 100644
--- a/test/c++/clef/clef_basic.cpp
+++ b/test/c++/clef/clef_basic.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2020 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #include "./common.hpp"
 
diff --git a/test/c++/nda_arithmetic.cpp b/test/c++/nda_arithmetic.cpp
index 4e057b439..d58dea172 100644
--- a/test/c++/nda_arithmetic.cpp
+++ b/test/c++/nda_arithmetic.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2020 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #pragma GCC diagnostic ignored "-Wfloat-conversion"
 #pragma GCC diagnostic push
diff --git a/test/c++/nda_basic.cpp b/test/c++/nda_basic.cpp
index 2d00e7d3e..bad3dd4ef 100644
--- a/test/c++/nda_basic.cpp
+++ b/test/c++/nda_basic.cpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Dominik Kiese, Olivier Parcollet, Nils Wentzell
 
 #include "./test_common.hpp"
 
diff --git a/test/c++/nda_expr_template.cpp b/test/c++/nda_expr_template.cpp
index 084d0b8d7..96dd04995 100644
--- a/test/c++/nda_expr_template.cpp
+++ b/test/c++/nda_expr_template.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 Simons Foundation
+// Copyright (c) 2019-2023 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #include "./test_common.hpp"
 #include <nda/linalg/det_and_inverse.hpp>
diff --git a/test/c++/nda_h5.cpp b/test/c++/nda_h5.cpp
index 4067b8719..50a0fdd1c 100644
--- a/test/c++/nda_h5.cpp
+++ b/test/c++/nda_h5.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2023 Simons Foundation
+// Copyright (c) 2019-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Thomas Hahn
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #include <gtest/gtest.h>
 
diff --git a/test/c++/nda_lapack.cpp b/test/c++/nda_lapack.cpp
index 1e4b8586a..63a6ca2d5 100644
--- a/test/c++/nda_lapack.cpp
+++ b/test/c++/nda_lapack.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2021-2023 Simons Foundation
+// Copyright (c) 2021-2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Nils Wentzell
+// Authors: Jason Kaye, Nils Wentzell
 
 #include "test_common.hpp"
 #include <nda/lapack.hpp>
diff --git a/test/c++/nda_layout_for_each.cpp b/test/c++/nda_layout_for_each.cpp
index fe754f10a..29d0827c2 100644
--- a/test/c++/nda_layout_for_each.cpp
+++ b/test/c++/nda_layout_for_each.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/c++/nda_layout_permutation.cpp b/test/c++/nda_layout_permutation.cpp
index 2926730b0..5cb2a96e9 100644
--- a/test/c++/nda_layout_permutation.cpp
+++ b/test/c++/nda_layout_permutation.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2022 Simons Foundation
+// Copyright (c) 2024 Simons Foundation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/c++/nda_slice.cpp b/test/c++/nda_slice.cpp
index 753e4ebaa..287692054 100644
--- a/test/c++/nda_slice.cpp
+++ b/test/c++/nda_slice.cpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-// Authors: Olivier Parcollet, Nils Wentzell
+// Authors: Thomas Hahn, Olivier Parcollet, Nils Wentzell
 
 #include "./test_common.hpp"